diff --git a/src/libs/Shotstack/Generated/Shotstack.JsonConverters.GenerationModelPricingQuantityMeasure.g.cs b/src/libs/Shotstack/Generated/Shotstack.JsonConverters.GenerationModelPricingQuantityMeasure.g.cs
new file mode 100644
index 0000000..ccdcc60
--- /dev/null
+++ b/src/libs/Shotstack/Generated/Shotstack.JsonConverters.GenerationModelPricingQuantityMeasure.g.cs
@@ -0,0 +1,53 @@
+#nullable enable
+
+namespace Shotstack.JsonConverters
+{
+    /// <inheritdoc />
+    public sealed class GenerationModelPricingQuantityMeasureJsonConverter : global::System.Text.Json.Serialization.JsonConverter<global::Shotstack.GenerationModelPricingQuantityMeasure>
+    {
+        /// <inheritdoc />
+        public override global::Shotstack.GenerationModelPricingQuantityMeasure Read(
+            ref global::System.Text.Json.Utf8JsonReader reader,
+            global::System.Type typeToConvert,
+            global::System.Text.Json.JsonSerializerOptions options)
+        {
+            switch (reader.TokenType)
+            {
+                case global::System.Text.Json.JsonTokenType.String:
+                {
+                    var stringValue = reader.GetString();
+                    if (stringValue != null)
+                    {
+                        return global::Shotstack.GenerationModelPricingQuantityMeasureExtensions.ToEnum(stringValue) ?? default;
+                    }
+
+                    break;
+                }
+                case global::System.Text.Json.JsonTokenType.Number:
+                {
+                    var numValue = reader.GetInt32();
+                    return (global::Shotstack.GenerationModelPricingQuantityMeasure)numValue;
+                }
+                case global::System.Text.Json.JsonTokenType.Null:
+                {
+                    return default(global::Shotstack.GenerationModelPricingQuantityMeasure);
+                }
+                default:
+                    throw new global::System.ArgumentOutOfRangeException(nameof(reader));
+            }
+
+            return default;
+        }
+
+        /// <inheritdoc />
+        public override void Write(
+            global::System.Text.Json.Utf8JsonWriter writer,
+            global::Shotstack.GenerationModelPricingQuantityMeasure value,
+            global::System.Text.Json.JsonSerializerOptions options)
+        {
+            writer = writer ?? throw new global::System.ArgumentNullException(nameof(writer));
+
+            writer.WriteStringValue(global::Shotstack.GenerationModelPricingQuantityMeasureExtensions.ToValueString(value));
+        }
+    }
+}
diff --git a/src/libs/Shotstack/Generated/Shotstack.JsonConverters.GenerationModelPricingQuantityMeasureNullable.g.cs b/src/libs/Shotstack/Generated/Shotstack.JsonConverters.GenerationModelPricingQuantityMeasureNullable.g.cs
new file mode 100644
index 0000000..c72dd09
--- /dev/null
+++ b/src/libs/Shotstack/Generated/Shotstack.JsonConverters.GenerationModelPricingQuantityMeasureNullable.g.cs
@@ -0,0 +1,60 @@
+#nullable enable
+
+namespace Shotstack.JsonConverters
+{
+    /// <inheritdoc />
+    public sealed class GenerationModelPricingQuantityMeasureNullableJsonConverter : global::System.Text.Json.Serialization.JsonConverter<global::Shotstack.GenerationModelPricingQuantityMeasure?>
+    {
+        /// <inheritdoc />
+        public override global::Shotstack.GenerationModelPricingQuantityMeasure? Read(
+            ref global::System.Text.Json.Utf8JsonReader reader,
+            global::System.Type typeToConvert,
+            global::System.Text.Json.JsonSerializerOptions options)
+        {
+            switch (reader.TokenType)
+            {
+                case global::System.Text.Json.JsonTokenType.String:
+                {
+                    var stringValue = reader.GetString();
+                    if (stringValue != null)
+                    {
+                        return global::Shotstack.GenerationModelPricingQuantityMeasureExtensions.ToEnum(stringValue);
+                    }
+
+                    break;
+                }
+                case global::System.Text.Json.JsonTokenType.Number:
+                {
+                    var numValue = reader.GetInt32();
+                    return (global::Shotstack.GenerationModelPricingQuantityMeasure)numValue;
+                }
+                case global::System.Text.Json.JsonTokenType.Null:
+                {
+                    return default(global::Shotstack.GenerationModelPricingQuantityMeasure?);
+                }
+                default:
+                    throw new global::System.ArgumentOutOfRangeException(nameof(reader));
+            }
+
+            return default;
+        }
+
+        /// <inheritdoc />
+        public override void Write(
+            global::System.Text.Json.Utf8JsonWriter writer,
+            global::Shotstack.GenerationModelPricingQuantityMeasure? value,
+            global::System.Text.Json.JsonSerializerOptions options)
+        {
+            writer = writer ?? throw new global::System.ArgumentNullException(nameof(writer));
+
+            if (value == null)
+            {
+                writer.WriteNullValue();
+            }
+            else
+            {
+                writer.WriteStringValue(global::Shotstack.GenerationModelPricingQuantityMeasureExtensions.ToValueString(value.Value));
+            }
+        }
+    }
+}
diff --git a/src/libs/Shotstack/Generated/Shotstack.JsonConverters.GenerationModelPricingUnit.g.cs b/src/libs/Shotstack/Generated/Shotstack.JsonConverters.GenerationModelPricingQuantityRound.g.cs
similarity index 78%
rename from src/libs/Shotstack/Generated/Shotstack.JsonConverters.GenerationModelPricingUnit.g.cs
rename to src/libs/Shotstack/Generated/Shotstack.JsonConverters.GenerationModelPricingQuantityRound.g.cs
index 37544c6..cf352a7 100644
--- a/src/libs/Shotstack/Generated/Shotstack.JsonConverters.GenerationModelPricingUnit.g.cs
+++ b/src/libs/Shotstack/Generated/Shotstack.JsonConverters.GenerationModelPricingQuantityRound.g.cs
@@ -3,10 +3,10 @@
 namespace Shotstack.JsonConverters
 {
     /// <inheritdoc />
-    public sealed class GenerationModelPricingUnitJsonConverter : global::System.Text.Json.Serialization.JsonConverter<global::Shotstack.GenerationModelPricingUnit>
+    public sealed class GenerationModelPricingQuantityRoundJsonConverter : global::System.Text.Json.Serialization.JsonConverter<global::Shotstack.GenerationModelPricingQuantityRound>
     {
         /// <inheritdoc />
-        public override global::Shotstack.GenerationModelPricingUnit Read(
+        public override global::Shotstack.GenerationModelPricingQuantityRound Read(
             ref global::System.Text.Json.Utf8JsonReader reader,
             global::System.Type typeToConvert,
             global::System.Text.Json.JsonSerializerOptions options)
@@ -18,7 +18,7 @@ public sealed class GenerationModelPricingUnitJsonConverter : global::System.Tex
                     var stringValue = reader.GetString();
                     if (stringValue != null)
                     {
-                        return global::Shotstack.GenerationModelPricingUnitExtensions.ToEnum(stringValue) ?? default;
+                        return global::Shotstack.GenerationModelPricingQuantityRoundExtensions.ToEnum(stringValue) ?? default;
                     }
 
                     break;
@@ -26,11 +26,11 @@ public sealed class GenerationModelPricingUnitJsonConverter : global::System.Tex
                 case global::System.Text.Json.JsonTokenType.Number:
                 {
                     var numValue = reader.GetInt32();
-                    return (global::Shotstack.GenerationModelPricingUnit)numValue;
+                    return (global::Shotstack.GenerationModelPricingQuantityRound)numValue;
                 }
                 case global::System.Text.Json.JsonTokenType.Null:
                 {
-                    return default(global::Shotstack.GenerationModelPricingUnit);
+                    return default(global::Shotstack.GenerationModelPricingQuantityRound);
                 }
                 default:
                     throw new global::System.ArgumentOutOfRangeException(nameof(reader));
@@ -42,12 +42,12 @@ public sealed class GenerationModelPricingUnitJsonConverter : global::System.Tex
         /// <inheritdoc />
         public override void Write(
             global::System.Text.Json.Utf8JsonWriter writer,
-            global::Shotstack.GenerationModelPricingUnit value,
+            global::Shotstack.GenerationModelPricingQuantityRound value,
             global::System.Text.Json.JsonSerializerOptions options)
         {
             writer = writer ?? throw new global::System.ArgumentNullException(nameof(writer));
 
-            writer.WriteStringValue(global::Shotstack.GenerationModelPricingUnitExtensions.ToValueString(value));
+            writer.WriteStringValue(global::Shotstack.GenerationModelPricingQuantityRoundExtensions.ToValueString(value));
         }
     }
 }
diff --git a/src/libs/Shotstack/Generated/Shotstack.JsonConverters.GenerationModelPricingUnitNullable.g.cs b/src/libs/Shotstack/Generated/Shotstack.JsonConverters.GenerationModelPricingQuantityRoundNullable.g.cs
similarity index 79%
rename from src/libs/Shotstack/Generated/Shotstack.JsonConverters.GenerationModelPricingUnitNullable.g.cs
rename to src/libs/Shotstack/Generated/Shotstack.JsonConverters.GenerationModelPricingQuantityRoundNullable.g.cs
index d63df0f..dfff833 100644
--- a/src/libs/Shotstack/Generated/Shotstack.JsonConverters.GenerationModelPricingUnitNullable.g.cs
+++ b/src/libs/Shotstack/Generated/Shotstack.JsonConverters.GenerationModelPricingQuantityRoundNullable.g.cs
@@ -3,10 +3,10 @@
 namespace Shotstack.JsonConverters
 {
     /// <inheritdoc />
-    public sealed class GenerationModelPricingUnitNullableJsonConverter : global::System.Text.Json.Serialization.JsonConverter<global::Shotstack.GenerationModelPricingUnit?>
+    public sealed class GenerationModelPricingQuantityRoundNullableJsonConverter : global::System.Text.Json.Serialization.JsonConverter<global::Shotstack.GenerationModelPricingQuantityRound?>
     {
         /// <inheritdoc />
-        public override global::Shotstack.GenerationModelPricingUnit? Read(
+        public override global::Shotstack.GenerationModelPricingQuantityRound? Read(
             ref global::System.Text.Json.Utf8JsonReader reader,
             global::System.Type typeToConvert,
             global::System.Text.Json.JsonSerializerOptions options)
@@ -18,7 +18,7 @@ public sealed class GenerationModelPricingUnitNullableJsonConverter : global::Sy
                     var stringValue = reader.GetString();
                     if (stringValue != null)
                     {
-                        return global::Shotstack.GenerationModelPricingUnitExtensions.ToEnum(stringValue);
+                        return global::Shotstack.GenerationModelPricingQuantityRoundExtensions.ToEnum(stringValue);
                     }
 
                     break;
@@ -26,11 +26,11 @@ public sealed class GenerationModelPricingUnitNullableJsonConverter : global::Sy
                 case global::System.Text.Json.JsonTokenType.Number:
                 {
                     var numValue = reader.GetInt32();
-                    return (global::Shotstack.GenerationModelPricingUnit)numValue;
+                    return (global::Shotstack.GenerationModelPricingQuantityRound)numValue;
                 }
                 case global::System.Text.Json.JsonTokenType.Null:
                 {
-                    return default(global::Shotstack.GenerationModelPricingUnit?);
+                    return default(global::Shotstack.GenerationModelPricingQuantityRound?);
                 }
                 default:
                     throw new global::System.ArgumentOutOfRangeException(nameof(reader));
@@ -42,7 +42,7 @@ public sealed class GenerationModelPricingUnitNullableJsonConverter : global::Sy
         /// <inheritdoc />
         public override void Write(
             global::System.Text.Json.Utf8JsonWriter writer,
-            global::Shotstack.GenerationModelPricingUnit? value,
+            global::Shotstack.GenerationModelPricingQuantityRound? value,
             global::System.Text.Json.JsonSerializerOptions options)
         {
             writer = writer ?? throw new global::System.ArgumentNullException(nameof(writer));
@@ -53,7 +53,7 @@ public override void Write(
             }
             else
             {
-                writer.WriteStringValue(global::Shotstack.GenerationModelPricingUnitExtensions.ToValueString(value.Value));
+                writer.WriteStringValue(global::Shotstack.GenerationModelPricingQuantityRoundExtensions.ToValueString(value.Value));
             }
         }
     }
diff --git a/src/libs/Shotstack/Generated/Shotstack.JsonSerializerContext.g.cs b/src/libs/Shotstack/Generated/Shotstack.JsonSerializerContext.g.cs
index 7e24946..b5188fe 100644
--- a/src/libs/Shotstack/Generated/Shotstack.JsonSerializerContext.g.cs
+++ b/src/libs/Shotstack/Generated/Shotstack.JsonSerializerContext.g.cs
@@ -325,9 +325,13 @@ namespace Shotstack
 
             typeof(global::Shotstack.JsonConverters.GenerationResponseStatusNullableJsonConverter),
 
-            typeof(global::Shotstack.JsonConverters.GenerationModelPricingUnitJsonConverter),
+            typeof(global::Shotstack.JsonConverters.GenerationModelPricingQuantityMeasureJsonConverter),
 
-            typeof(global::Shotstack.JsonConverters.GenerationModelPricingUnitNullableJsonConverter),
+            typeof(global::Shotstack.JsonConverters.GenerationModelPricingQuantityMeasureNullableJsonConverter),
+
+            typeof(global::Shotstack.JsonConverters.GenerationModelPricingQuantityRoundJsonConverter),
+
+            typeof(global::Shotstack.JsonConverters.GenerationModelPricingQuantityRoundNullableJsonConverter),
 
             typeof(global::Shotstack.JsonConverters.GenerationModelTypeJsonConverter),
 
@@ -618,9 +622,11 @@ namespace Shotstack
     [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::Shotstack.GenerationResponse))]
     [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::Shotstack.GenerationResponseStatus), TypeInfoPropertyName = "GenerationResponseStatus2")]
     [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::Shotstack.GenerationModelPricing))]
-    [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::Shotstack.GenerationModelPricingUnit), TypeInfoPropertyName = "GenerationModelPricingUnit2")]
     [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::Shotstack.OneOf<double?, object>), TypeInfoPropertyName = "OneOfDoubleObject2")]
-    [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::System.Collections.Generic.IList<string>))]
+    [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::Shotstack.GenerationModelPricingTieredBy))]
+    [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::Shotstack.GenerationModelPricingQuantity))]
+    [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::Shotstack.GenerationModelPricingQuantityMeasure), TypeInfoPropertyName = "GenerationModelPricingQuantityMeasure2")]
+    [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::Shotstack.GenerationModelPricingQuantityRound), TypeInfoPropertyName = "GenerationModelPricingQuantityRound2")]
     [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::Shotstack.GenerationModel))]
     [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::Shotstack.GenerationModelType), TypeInfoPropertyName = "GenerationModelType2")]
     [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::Shotstack.GenerationModelListResponse))]
@@ -643,7 +649,6 @@ namespace Shotstack
     [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::System.Collections.Generic.List<global::Shotstack.SourceResponseData>))]
     [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::System.Collections.Generic.List<global::Shotstack.RenditionResponseAttributes>))]
     [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::System.Collections.Generic.List<global::Shotstack.IngestErrorResponseData>))]
-    [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::System.Collections.Generic.List<string>))]
     [global::System.Text.Json.Serialization.JsonSerializable(typeof(global::System.Collections.Generic.List<global::Shotstack.GenerationModel>))]
     public sealed partial class SourceGenerationContext : global::System.Text.Json.Serialization.JsonSerializerContext
     {
diff --git a/src/libs/Shotstack/Generated/Shotstack.JsonSerializerContextTypes.g.cs b/src/libs/Shotstack/Generated/Shotstack.JsonSerializerContextTypes.g.cs
index 1334ded..ace7b3e 100644
--- a/src/libs/Shotstack/Generated/Shotstack.JsonSerializerContextTypes.g.cs
+++ b/src/libs/Shotstack/Generated/Shotstack.JsonSerializerContextTypes.g.cs
@@ -989,39 +989,47 @@ public sealed partial class JsonSerializerContextTypes
         /// <summary>
         ///
         /// </summary>
-        public global::Shotstack.GenerationModelPricingUnit? Type239 { get; set; }
+        public global::Shotstack.OneOf<double?, object>? Type239 { get; set; }
         /// <summary>
         ///
         /// </summary>
-        public global::Shotstack.OneOf<double?, object>? Type240 { get; set; }
+        public global::Shotstack.GenerationModelPricingTieredBy? Type240 { get; set; }
         /// <summary>
         ///
         /// </summary>
-        public global::System.Collections.Generic.IList<string>? Type241 { get; set; }
+        public global::Shotstack.GenerationModelPricingQuantity? Type241 { get; set; }
         /// <summary>
         ///
         /// </summary>
-        public global::Shotstack.GenerationModel? Type242 { get; set; }
+        public global::Shotstack.GenerationModelPricingQuantityMeasure? Type242 { get; set; }
         /// <summary>
         ///
         /// </summary>
-        public global::Shotstack.GenerationModelType? Type243 { get; set; }
+        public global::Shotstack.GenerationModelPricingQuantityRound? Type243 { get; set; }
         /// <summary>
         ///
         /// </summary>
-        public global::Shotstack.GenerationModelListResponse? Type244 { get; set; }
+        public global::Shotstack.GenerationModel? Type244 { get; set; }
         /// <summary>
         ///
         /// </summary>
-        public global::System.Collections.Generic.IList<global::Shotstack.GenerationModel>? Type245 { get; set; }
+        public global::Shotstack.GenerationModelType? Type245 { get; set; }
         /// <summary>
         ///
         /// </summary>
-        public global::Shotstack.PostGenerateRequest? Type246 { get; set; }
+        public global::Shotstack.GenerationModelListResponse? Type246 { get; set; }
         /// <summary>
         ///
         /// </summary>
-        public global::Shotstack.OneOf<global::Shotstack.ImageAsset, global::Shotstack.VideoAsset, global::Shotstack.AudioAsset>? Type247 { get; set; }
+        public global::System.Collections.Generic.IList<global::Shotstack.GenerationModel>? Type247 { get; set; }
+        /// <summary>
+        ///
+        /// </summary>
+        public global::Shotstack.PostGenerateRequest? Type248 { get; set; }
+        /// <summary>
+        ///
+        /// </summary>
+        public global::Shotstack.OneOf<global::Shotstack.ImageAsset, global::Shotstack.VideoAsset, global::Shotstack.AudioAsset>? Type249 { get; set; }
 
         /// <summary>
         ///
@@ -1090,10 +1098,6 @@ public sealed partial class JsonSerializerContextTypes
         /// <summary>
         ///
         /// </summary>
-        public global::System.Collections.Generic.List<string>? ListType16 { get; set; }
-        /// <summary>
-        ///
-        /// </summary>
-        public global::System.Collections.Generic.List<global::Shotstack.GenerationModel>? ListType17 { get; set; }
+        public global::System.Collections.Generic.List<global::Shotstack.GenerationModel>? ListType16 { get; set; }
     }
 }
\ No newline at end of file
diff --git a/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModel.g.cs b/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModel.g.cs
index 433d9a3..7ce0edc 100644
--- a/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModel.g.cs
+++ b/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModel.g.cs
@@ -28,7 +28,7 @@ public sealed partial class GenerationModel
         public required global::Shotstack.GenerationModelType Type { get; set; }
 
         /// <summary>
-        /// What one generation costs, in credits. There is no formula to evaluate: multiply the rate by the number of units the generation consumes. Where a model charges differently per option value, `credits` is an object keyed by that value and `tieredBy` names the option that selects it.
+        /// What one generation costs, in credits: the rate multiplied by the units consumed. `quantity` says how to count the units, and is absent when one generation is one unit. Where a model charges differently per option value, `credits` is an object keyed by that value and `tieredBy` names the option that selects it.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("pricing")]
         public global::Shotstack.GenerationModelPricing? Pricing { get; set; }
@@ -57,7 +57,7 @@ public sealed partial class GenerationModel
         /// Example: video
         /// </param>
         /// <param name="pricing">
-        /// What one generation costs, in credits. There is no formula to evaluate: multiply the rate by the number of units the generation consumes. Where a model charges differently per option value, `credits` is an object keyed by that value and `tieredBy` names the option that selects it.
+        /// What one generation costs, in credits: the rate multiplied by the units consumed. `quantity` says how to count the units, and is absent when one generation is one unit. Where a model charges differently per option value, `credits` is an object keyed by that value and `tieredBy` names the option that selects it.
         /// </param>
         /// <param name="options">
         /// JSON Schema for the model's `options` object. Only returned for a single model, or for a list requested with `expand=options`. Values outside this schema are rejected.
diff --git a/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricing.g.cs b/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricing.g.cs
index 61a64d1..58aed32 100644
--- a/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricing.g.cs
+++ b/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricing.g.cs
@@ -4,22 +4,12 @@
 namespace Shotstack
 {
     /// <summary>
-    /// What one generation costs, in credits. There is no formula to evaluate: multiply the rate by the number of units the generation consumes. Where a model charges differently per option value, `credits` is an object keyed by that value and `tieredBy` names the option that selects it.
+    /// What one generation costs, in credits: the rate multiplied by the units consumed. `quantity` says how to count the units, and is absent when one generation is one unit. Where a model charges differently per option value, `credits` is an object keyed by that value and `tieredBy` names the option that selects it.
     /// </summary>
     public sealed partial class GenerationModelPricing
     {
         /// <summary>
-        /// What one unit is. `render` means the whole generation counts as one unit, whatever its size.<br/>
-        /// Example: second
-        /// </summary>
-        /// <example>second</example>
-        [global::System.Text.Json.Serialization.JsonPropertyName("unit")]
-        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Shotstack.JsonConverters.GenerationModelPricingUnitJsonConverter))]
-        [global::System.Text.Json.Serialization.JsonRequired]
-        public required global::Shotstack.GenerationModelPricingUnit Unit { get; set; }
-
-        /// <summary>
-        /// Credits per unit. A number when the rate is flat, or an object keyed by the values of the options named in `tieredBy`.<br/>
+        /// Credits per unit. A number when the rate is flat, or an object keyed by the values of the option named in `tieredBy`.<br/>
         /// Example: {"480p":0.9375,"720p":1.8962,"1080p":4.2625}
         /// </summary>
         /// <example>{"480p":0.9375,"720p":1.8962,"1080p":4.2625}</example>
@@ -29,20 +19,16 @@ public sealed partial class GenerationModelPricing
         public required global::Shotstack.OneOf<double?, object> Credits { get; set; }
 
         /// <summary>
-        /// The options whose values select the rate, outermost first. Absent when `credits` is a single number.<br/>
-        /// Example: [resolution]
+        /// The option whose value selects the rate, and the value assumed when the option is absent. Present only when `credits` is keyed.
         /// </summary>
-        /// <example>[resolution]</example>
         [global::System.Text.Json.Serialization.JsonPropertyName("tieredBy")]
-        public global::System.Collections.Generic.IList<string>? TieredBy { get; set; }
+        public global::Shotstack.GenerationModelPricingTieredBy? TieredBy { get; set; }
 
         /// <summary>
-        /// The fewest units a generation is charged for, when a model has a minimum charge.<br/>
-        /// Example: 0.1F
+        /// How many units a generation consumes. Take the value `measure` names, or `default` when the request carries none, hold it within `min` and `max`, divide by `per`, and round up when `round` is `up`. Absent when one generation is one unit.
         /// </summary>
-        /// <example>0.1F</example>
-        [global::System.Text.Json.Serialization.JsonPropertyName("minUnits")]
-        public double? MinUnits { get; set; }
+        [global::System.Text.Json.Serialization.JsonPropertyName("quantity")]
+        public global::Shotstack.GenerationModelPricingQuantity? Quantity { get; set; }
 
         /// <summary>
         /// The date this rate took effect, or `legacy` for a rate that predates dated pricing.<br/>
@@ -62,12 +48,8 @@ public sealed partial class GenerationModelPricing
         /// <summary>
         /// Initializes a new instance of the <see cref="GenerationModelPricing" /> class.
         /// </summary>
-        /// <param name="unit">
-        /// What one unit is. `render` means the whole generation counts as one unit, whatever its size.<br/>
-        /// Example: second
-        /// </param>
         /// <param name="credits">
-        /// Credits per unit. A number when the rate is flat, or an object keyed by the values of the options named in `tieredBy`.<br/>
+        /// Credits per unit. A number when the rate is flat, or an object keyed by the values of the option named in `tieredBy`.<br/>
         /// Example: {"480p":0.9375,"720p":1.8962,"1080p":4.2625}
         /// </param>
         /// <param name="effectiveFrom">
@@ -75,27 +57,23 @@ public sealed partial class GenerationModelPricing
         /// Example: 2026-08-13
         /// </param>
         /// <param name="tieredBy">
-        /// The options whose values select the rate, outermost first. Absent when `credits` is a single number.<br/>
-        /// Example: [resolution]
+        /// The option whose value selects the rate, and the value assumed when the option is absent. Present only when `credits` is keyed.
         /// </param>
-        /// <param name="minUnits">
-        /// The fewest units a generation is charged for, when a model has a minimum charge.<br/>
-        /// Example: 0.1F
+        /// <param name="quantity">
+        /// How many units a generation consumes. Take the value `measure` names, or `default` when the request carries none, hold it within `min` and `max`, divide by `per`, and round up when `round` is `up`. Absent when one generation is one unit.
         /// </param>
 #if NET7_0_OR_GREATER
         [global::System.Diagnostics.CodeAnalysis.SetsRequiredMembers]
 #endif
         public GenerationModelPricing(
-            global::Shotstack.GenerationModelPricingUnit unit,
             global::Shotstack.OneOf<double?, object> credits,
             string effectiveFrom,
-            global::System.Collections.Generic.IList<string>? tieredBy,
-            double? minUnits)
+            global::Shotstack.GenerationModelPricingTieredBy? tieredBy,
+            global::Shotstack.GenerationModelPricingQuantity? quantity)
         {
-            this.Unit = unit;
             this.Credits = credits;
             this.TieredBy = tieredBy;
-            this.MinUnits = minUnits;
+            this.Quantity = quantity;
             this.EffectiveFrom = effectiveFrom ?? throw new global::System.ArgumentNullException(nameof(effectiveFrom));
         }
 
diff --git a/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingQuantity.Json.g.cs b/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingQuantity.Json.g.cs
new file mode 100644
index 0000000..0e62c04
--- /dev/null
+++ b/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingQuantity.Json.g.cs
@@ -0,0 +1,141 @@
+#nullable enable
+
+namespace Shotstack
+{
+    public sealed partial class GenerationModelPricingQuantity
+    {
+        /// <summary>
+        /// Serializes the current instance to a JSON string using the provided JsonSerializerContext.
+        /// </summary>
+        public string ToJson(
+            global::System.Text.Json.Serialization.JsonSerializerContext jsonSerializerContext)
+        {
+            return global::System.Text.Json.JsonSerializer.Serialize(
+                this,
+                this.GetType(),
+                jsonSerializerContext);
+        }
+
+        /// <summary>
+        /// Serializes the current instance to a JSON string using the generated default JsonSerializerContext.
+        /// </summary>
+        public string ToJson()
+        {
+            return ToJson(global::Shotstack.SourceGenerationContext.Default);
+        }
+
+        /// <summary>
+        /// Serializes the current instance to a JSON string using the provided JsonSerializerOptions.
+        /// </summary>
+#if NET8_0_OR_GREATER
+        [global::System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
+        [global::System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed and might need runtime code generation. Use System.Text.Json source generation for native AOT applications.")]
+#endif
+        public string ToJson(
+            global::System.Text.Json.JsonSerializerOptions? jsonSerializerOptions = null)
+        {
+            if (jsonSerializerOptions is null)
+            {
+                return ToJson(global::Shotstack.SourceGenerationContext.Default);
+            }
+
+            return global::System.Text.Json.JsonSerializer.Serialize(
+                this,
+                jsonSerializerOptions);
+        }
+
+        /// <summary>
+        /// Deserializes a JSON string using the provided JsonSerializerContext.
+        /// </summary>
+        public static global::Shotstack.GenerationModelPricingQuantity? FromJson(
+            string json,
+            global::System.Text.Json.Serialization.JsonSerializerContext jsonSerializerContext)
+        {
+            return global::System.Text.Json.JsonSerializer.Deserialize(
+                json,
+                typeof(global::Shotstack.GenerationModelPricingQuantity),
+                jsonSerializerContext) as global::Shotstack.GenerationModelPricingQuantity;
+        }
+
+        /// <summary>
+        /// Deserializes a JSON string using the generated default JsonSerializerContext.
+        /// </summary>
+        public static global::Shotstack.GenerationModelPricingQuantity? FromJson(
+            string json)
+        {
+            return FromJson(
+                json,
+                global::Shotstack.SourceGenerationContext.Default);
+        }
+
+        /// <summary>
+        /// Deserializes a JSON string using the provided JsonSerializerOptions.
+        /// </summary>
+#if NET8_0_OR_GREATER
+        [global::System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
+        [global::System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed and might need runtime code generation. Use System.Text.Json source generation for native AOT applications.")]
+#endif
+        public static global::Shotstack.GenerationModelPricingQuantity? FromJson(
+            string json,
+            global::System.Text.Json.JsonSerializerOptions? jsonSerializerOptions = null)
+        {
+            if (jsonSerializerOptions is null)
+            {
+                return FromJson(
+                    json,
+                    global::Shotstack.SourceGenerationContext.Default);
+            }
+
+            return global::System.Text.Json.JsonSerializer.Deserialize<global::Shotstack.GenerationModelPricingQuantity>(
+                json,
+                jsonSerializerOptions);
+        }
+
+        /// <summary>
+        /// Deserializes a JSON stream using the provided JsonSerializerContext.
+        /// </summary>
+        public static async global::System.Threading.Tasks.ValueTask<global::Shotstack.GenerationModelPricingQuantity?> FromJsonStreamAsync(
+            global::System.IO.Stream jsonStream,
+            global::System.Text.Json.Serialization.JsonSerializerContext jsonSerializerContext)
+        {
+            return (await global::System.Text.Json.JsonSerializer.DeserializeAsync(
+                jsonStream,
+                typeof(global::Shotstack.GenerationModelPricingQuantity),
+                jsonSerializerContext).ConfigureAwait(false)) as global::Shotstack.GenerationModelPricingQuantity;
+        }
+
+        /// <summary>
+        /// Deserializes a JSON stream using the generated default JsonSerializerContext.
+        /// </summary>
+        public static global::System.Threading.Tasks.ValueTask<global::Shotstack.GenerationModelPricingQuantity?> FromJsonStreamAsync(
+            global::System.IO.Stream jsonStream)
+        {
+            return FromJsonStreamAsync(
+                jsonStream,
+                global::Shotstack.SourceGenerationContext.Default);
+        }
+
+        /// <summary>
+        /// Deserializes a JSON stream using the provided JsonSerializerOptions.
+        /// </summary>
+#if NET8_0_OR_GREATER
+        [global::System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
+        [global::System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed and might need runtime code generation. Use System.Text.Json source generation for native AOT applications.")]
+#endif
+        public static global::System.Threading.Tasks.ValueTask<global::Shotstack.GenerationModelPricingQuantity?> FromJsonStreamAsync(
+            global::System.IO.Stream jsonStream,
+            global::System.Text.Json.JsonSerializerOptions? jsonSerializerOptions = null)
+        {
+            if (jsonSerializerOptions is null)
+            {
+                return FromJsonStreamAsync(
+                    jsonStream,
+                    global::Shotstack.SourceGenerationContext.Default);
+            }
+
+            return global::System.Text.Json.JsonSerializer.DeserializeAsync<global::Shotstack.GenerationModelPricingQuantity?>(
+                jsonStream,
+                jsonSerializerOptions);
+        }
+    }
+}
diff --git a/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingQuantity.g.cs b/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingQuantity.g.cs
new file mode 100644
index 0000000..b3f65f5
--- /dev/null
+++ b/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingQuantity.g.cs
@@ -0,0 +1,123 @@
+
+#nullable enable
+
+namespace Shotstack
+{
+    /// <summary>
+    /// How many units a generation consumes. Take the value `measure` names, or `default` when the request carries none, hold it within `min` and `max`, divide by `per`, and round up when `round` is `up`. Absent when one generation is one unit.
+    /// </summary>
+    public sealed partial class GenerationModelPricingQuantity
+    {
+        /// <summary>
+        /// What the count is taken from, and the scale it is measured in.<br/>
+        /// Example: clipSeconds
+        /// </summary>
+        /// <example>clipSeconds</example>
+        [global::System.Text.Json.Serialization.JsonPropertyName("measure")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Shotstack.JsonConverters.GenerationModelPricingQuantityMeasureJsonConverter))]
+        [global::System.Text.Json.Serialization.JsonRequired]
+        public required global::Shotstack.GenerationModelPricingQuantityMeasure Measure { get; set; }
+
+        /// <summary>
+        /// How many of `measure` make one billable unit.<br/>
+        /// Example: 60
+        /// </summary>
+        /// <example>60</example>
+        [global::System.Text.Json.Serialization.JsonPropertyName("per")]
+        [global::System.Text.Json.Serialization.JsonRequired]
+        public required double Per { get; set; }
+
+        /// <summary>
+        /// Fewest accepted. A smaller request is charged at this.<br/>
+        /// Example: 3
+        /// </summary>
+        /// <example>3</example>
+        [global::System.Text.Json.Serialization.JsonPropertyName("min")]
+        public double? Min { get; set; }
+
+        /// <summary>
+        /// Most accepted. A larger request is charged at this.<br/>
+        /// Example: 600
+        /// </summary>
+        /// <example>600</example>
+        [global::System.Text.Json.Serialization.JsonPropertyName("max")]
+        public double? Max { get; set; }
+
+        /// <summary>
+        /// Assumed when the request carries no value.<br/>
+        /// Example: 30
+        /// </summary>
+        /// <example>30</example>
+        [global::System.Text.Json.Serialization.JsonPropertyName("default")]
+        public double? Default { get; set; }
+
+        /// <summary>
+        /// Present when a partial unit is charged as a whole one. A 61 second track on a per-minute rate is charged as two minutes.<br/>
+        /// Example: up
+        /// </summary>
+        /// <example>up</example>
+        [global::System.Text.Json.Serialization.JsonPropertyName("round")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::Shotstack.JsonConverters.GenerationModelPricingQuantityRoundJsonConverter))]
+        public global::Shotstack.GenerationModelPricingQuantityRound? Round { get; set; }
+
+        /// <summary>
+        /// Additional properties that are not explicitly defined in the schema
+        /// </summary>
+        [global::System.Text.Json.Serialization.JsonExtensionData]
+        public global::System.Collections.Generic.IDictionary<string, object> AdditionalProperties { get; set; } = new global::System.Collections.Generic.Dictionary<string, object>();
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="GenerationModelPricingQuantity" /> class.
+        /// </summary>
+        /// <param name="measure">
+        /// What the count is taken from, and the scale it is measured in.<br/>
+        /// Example: clipSeconds
+        /// </param>
+        /// <param name="per">
+        /// How many of `measure` make one billable unit.<br/>
+        /// Example: 60
+        /// </param>
+        /// <param name="min">
+        /// Fewest accepted. A smaller request is charged at this.<br/>
+        /// Example: 3
+        /// </param>
+        /// <param name="max">
+        /// Most accepted. A larger request is charged at this.<br/>
+        /// Example: 600
+        /// </param>
+        /// <param name="default">
+        /// Assumed when the request carries no value.<br/>
+        /// Example: 30
+        /// </param>
+        /// <param name="round">
+        /// Present when a partial unit is charged as a whole one. A 61 second track on a per-minute rate is charged as two minutes.<br/>
+        /// Example: up
+        /// </param>
+#if NET7_0_OR_GREATER
+        [global::System.Diagnostics.CodeAnalysis.SetsRequiredMembers]
+#endif
+        public GenerationModelPricingQuantity(
+            global::Shotstack.GenerationModelPricingQuantityMeasure measure,
+            double per,
+            double? min,
+            double? max,
+            double? @default,
+            global::Shotstack.GenerationModelPricingQuantityRound? round)
+        {
+            this.Measure = measure;
+            this.Per = per;
+            this.Min = min;
+            this.Max = max;
+            this.Default = @default;
+            this.Round = round;
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="GenerationModelPricingQuantity" /> class.
+        /// </summary>
+        public GenerationModelPricingQuantity()
+        {
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingQuantityMeasure.g.cs b/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingQuantityMeasure.g.cs
new file mode 100644
index 0000000..3a82d7e
--- /dev/null
+++ b/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingQuantityMeasure.g.cs
@@ -0,0 +1,52 @@
+
+#nullable enable
+
+namespace Shotstack
+{
+    /// <summary>
+    /// What the count is taken from, and the scale it is measured in.<br/>
+    /// Example: clipSeconds
+    /// </summary>
+    public enum GenerationModelPricingQuantityMeasure
+    {
+        /// <summary>
+        ///
+        /// </summary>
+        ClipSeconds,
+        /// <summary>
+        ///
+        /// </summary>
+        PromptCharacters,
+    }
+
+    /// <summary>
+    /// Enum extensions to do fast conversions without the reflection.
+    /// </summary>
+    public static class GenerationModelPricingQuantityMeasureExtensions
+    {
+        /// <summary>
+        /// Converts an enum to a string.
+        /// </summary>
+        public static string ToValueString(this GenerationModelPricingQuantityMeasure value)
+        {
+            return value switch
+            {
+                GenerationModelPricingQuantityMeasure.ClipSeconds => "clipSeconds",
+                GenerationModelPricingQuantityMeasure.PromptCharacters => "promptCharacters",
+                _ => throw new global::System.ArgumentOutOfRangeException(nameof(value), value, null),
+            };
+        }
+        /// <summary>
+        /// Converts an string to a enum.
+        /// </summary>
+        public static GenerationModelPricingQuantityMeasure? ToEnum(string value)
+        {
+            return value switch
+            {
+                "clipSeconds" => GenerationModelPricingQuantityMeasure.ClipSeconds,
+                "promptCharacters" => GenerationModelPricingQuantityMeasure.PromptCharacters,
+                _ => null,
+            };
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingQuantityRound.g.cs b/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingQuantityRound.g.cs
new file mode 100644
index 0000000..547e369
--- /dev/null
+++ b/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingQuantityRound.g.cs
@@ -0,0 +1,46 @@
+
+#nullable enable
+
+namespace Shotstack
+{
+    /// <summary>
+    /// Present when a partial unit is charged as a whole one. A 61 second track on a per-minute rate is charged as two minutes.<br/>
+    /// Example: up
+    /// </summary>
+    public enum GenerationModelPricingQuantityRound
+    {
+        /// <summary>
+        ///
+        /// </summary>
+        Up,
+    }
+
+    /// <summary>
+    /// Enum extensions to do fast conversions without the reflection.
+    /// </summary>
+    public static class GenerationModelPricingQuantityRoundExtensions
+    {
+        /// <summary>
+        /// Converts an enum to a string.
+        /// </summary>
+        public static string ToValueString(this GenerationModelPricingQuantityRound value)
+        {
+            return value switch
+            {
+                GenerationModelPricingQuantityRound.Up => "up",
+                _ => throw new global::System.ArgumentOutOfRangeException(nameof(value), value, null),
+            };
+        }
+        /// <summary>
+        /// Converts an string to a enum.
+        /// </summary>
+        public static GenerationModelPricingQuantityRound? ToEnum(string value)
+        {
+            return value switch
+            {
+                "up" => GenerationModelPricingQuantityRound.Up,
+                _ => null,
+            };
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingTieredBy.Json.g.cs b/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingTieredBy.Json.g.cs
new file mode 100644
index 0000000..75cd5ae
--- /dev/null
+++ b/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingTieredBy.Json.g.cs
@@ -0,0 +1,141 @@
+#nullable enable
+
+namespace Shotstack
+{
+    public sealed partial class GenerationModelPricingTieredBy
+    {
+        /// <summary>
+        /// Serializes the current instance to a JSON string using the provided JsonSerializerContext.
+        /// </summary>
+        public string ToJson(
+            global::System.Text.Json.Serialization.JsonSerializerContext jsonSerializerContext)
+        {
+            return global::System.Text.Json.JsonSerializer.Serialize(
+                this,
+                this.GetType(),
+                jsonSerializerContext);
+        }
+
+        /// <summary>
+        /// Serializes the current instance to a JSON string using the generated default JsonSerializerContext.
+        /// </summary>
+        public string ToJson()
+        {
+            return ToJson(global::Shotstack.SourceGenerationContext.Default);
+        }
+
+        /// <summary>
+        /// Serializes the current instance to a JSON string using the provided JsonSerializerOptions.
+        /// </summary>
+#if NET8_0_OR_GREATER
+        [global::System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
+        [global::System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed and might need runtime code generation. Use System.Text.Json source generation for native AOT applications.")]
+#endif
+        public string ToJson(
+            global::System.Text.Json.JsonSerializerOptions? jsonSerializerOptions = null)
+        {
+            if (jsonSerializerOptions is null)
+            {
+                return ToJson(global::Shotstack.SourceGenerationContext.Default);
+            }
+
+            return global::System.Text.Json.JsonSerializer.Serialize(
+                this,
+                jsonSerializerOptions);
+        }
+
+        /// <summary>
+        /// Deserializes a JSON string using the provided JsonSerializerContext.
+        /// </summary>
+        public static global::Shotstack.GenerationModelPricingTieredBy? FromJson(
+            string json,
+            global::System.Text.Json.Serialization.JsonSerializerContext jsonSerializerContext)
+        {
+            return global::System.Text.Json.JsonSerializer.Deserialize(
+                json,
+                typeof(global::Shotstack.GenerationModelPricingTieredBy),
+                jsonSerializerContext) as global::Shotstack.GenerationModelPricingTieredBy;
+        }
+
+        /// <summary>
+        /// Deserializes a JSON string using the generated default JsonSerializerContext.
+        /// </summary>
+        public static global::Shotstack.GenerationModelPricingTieredBy? FromJson(
+            string json)
+        {
+            return FromJson(
+                json,
+                global::Shotstack.SourceGenerationContext.Default);
+        }
+
+        /// <summary>
+        /// Deserializes a JSON string using the provided JsonSerializerOptions.
+        /// </summary>
+#if NET8_0_OR_GREATER
+        [global::System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
+        [global::System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed and might need runtime code generation. Use System.Text.Json source generation for native AOT applications.")]
+#endif
+        public static global::Shotstack.GenerationModelPricingTieredBy? FromJson(
+            string json,
+            global::System.Text.Json.JsonSerializerOptions? jsonSerializerOptions = null)
+        {
+            if (jsonSerializerOptions is null)
+            {
+                return FromJson(
+                    json,
+                    global::Shotstack.SourceGenerationContext.Default);
+            }
+
+            return global::System.Text.Json.JsonSerializer.Deserialize<global::Shotstack.GenerationModelPricingTieredBy>(
+                json,
+                jsonSerializerOptions);
+        }
+
+        /// <summary>
+        /// Deserializes a JSON stream using the provided JsonSerializerContext.
+        /// </summary>
+        public static async global::System.Threading.Tasks.ValueTask<global::Shotstack.GenerationModelPricingTieredBy?> FromJsonStreamAsync(
+            global::System.IO.Stream jsonStream,
+            global::System.Text.Json.Serialization.JsonSerializerContext jsonSerializerContext)
+        {
+            return (await global::System.Text.Json.JsonSerializer.DeserializeAsync(
+                jsonStream,
+                typeof(global::Shotstack.GenerationModelPricingTieredBy),
+                jsonSerializerContext).ConfigureAwait(false)) as global::Shotstack.GenerationModelPricingTieredBy;
+        }
+
+        /// <summary>
+        /// Deserializes a JSON stream using the generated default JsonSerializerContext.
+        /// </summary>
+        public static global::System.Threading.Tasks.ValueTask<global::Shotstack.GenerationModelPricingTieredBy?> FromJsonStreamAsync(
+            global::System.IO.Stream jsonStream)
+        {
+            return FromJsonStreamAsync(
+                jsonStream,
+                global::Shotstack.SourceGenerationContext.Default);
+        }
+
+        /// <summary>
+        /// Deserializes a JSON stream using the provided JsonSerializerOptions.
+        /// </summary>
+#if NET8_0_OR_GREATER
+        [global::System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("JSON serialization and deserialization might require types that cannot be statically analyzed. Use the overload that takes a JsonTypeInfo or JsonSerializerContext, or make sure all of the required types are preserved.")]
+        [global::System.Diagnostics.CodeAnalysis.RequiresDynamicCode("JSON serialization and deserialization might require types that cannot be statically analyzed and might need runtime code generation. Use System.Text.Json source generation for native AOT applications.")]
+#endif
+        public static global::System.Threading.Tasks.ValueTask<global::Shotstack.GenerationModelPricingTieredBy?> FromJsonStreamAsync(
+            global::System.IO.Stream jsonStream,
+            global::System.Text.Json.JsonSerializerOptions? jsonSerializerOptions = null)
+        {
+            if (jsonSerializerOptions is null)
+            {
+                return FromJsonStreamAsync(
+                    jsonStream,
+                    global::Shotstack.SourceGenerationContext.Default);
+            }
+
+            return global::System.Text.Json.JsonSerializer.DeserializeAsync<global::Shotstack.GenerationModelPricingTieredBy?>(
+                jsonStream,
+                jsonSerializerOptions);
+        }
+    }
+}
diff --git a/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingTieredBy.g.cs b/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingTieredBy.g.cs
new file mode 100644
index 0000000..8b011a7
--- /dev/null
+++ b/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingTieredBy.g.cs
@@ -0,0 +1,61 @@
+
+#nullable enable
+
+namespace Shotstack
+{
+    /// <summary>
+    /// The option whose value selects the rate, and the value assumed when the option is absent. Present only when `credits` is keyed.
+    /// </summary>
+    public sealed partial class GenerationModelPricingTieredBy
+    {
+        /// <summary>
+        /// Example: resolution
+        /// </summary>
+        /// <example>resolution</example>
+        [global::System.Text.Json.Serialization.JsonPropertyName("option")]
+        [global::System.Text.Json.Serialization.JsonRequired]
+        public required string Option { get; set; }
+
+        /// <summary>
+        /// Example: 720p
+        /// </summary>
+        /// <example>720p</example>
+        [global::System.Text.Json.Serialization.JsonPropertyName("default")]
+        [global::System.Text.Json.Serialization.JsonRequired]
+        public required string Default { get; set; }
+
+        /// <summary>
+        /// Additional properties that are not explicitly defined in the schema
+        /// </summary>
+        [global::System.Text.Json.Serialization.JsonExtensionData]
+        public global::System.Collections.Generic.IDictionary<string, object> AdditionalProperties { get; set; } = new global::System.Collections.Generic.Dictionary<string, object>();
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="GenerationModelPricingTieredBy" /> class.
+        /// </summary>
+        /// <param name="option">
+        /// Example: resolution
+        /// </param>
+        /// <param name="default">
+        /// Example: 720p
+        /// </param>
+#if NET7_0_OR_GREATER
+        [global::System.Diagnostics.CodeAnalysis.SetsRequiredMembers]
+#endif
+        public GenerationModelPricingTieredBy(
+            string option,
+            string @default)
+        {
+            this.Option = option ?? throw new global::System.ArgumentNullException(nameof(option));
+            this.Default = @default ?? throw new global::System.ArgumentNullException(nameof(@default));
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="GenerationModelPricingTieredBy" /> class.
+        /// </summary>
+        public GenerationModelPricingTieredBy()
+        {
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingUnit.g.cs b/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingUnit.g.cs
deleted file mode 100644
index c06ffcd..0000000
--- a/src/libs/Shotstack/Generated/Shotstack.Models.GenerationModelPricingUnit.g.cs
+++ /dev/null
@@ -1,64 +0,0 @@
-
-#nullable enable
-
-namespace Shotstack
-{
-    /// <summary>
-    /// What one unit is. `render` means the whole generation counts as one unit, whatever its size.<br/>
-    /// Example: second
-    /// </summary>
-    public enum GenerationModelPricingUnit
-    {
-        /// <summary>
-        ///
-        /// </summary>
-        Minute,
-        /// <summary>
-        ///
-        /// </summary>
-        Render,
-        /// <summary>
-        ///
-        /// </summary>
-        Second,
-        /// <summary>
-        ///
-        /// </summary>
-        ThousandCharacters,
-    }
-
-    /// <summary>
-    /// Enum extensions to do fast conversions without the reflection.
-    /// </summary>
-    public static class GenerationModelPricingUnitExtensions
-    {
-        /// <summary>
-        /// Converts an enum to a string.
-        /// </summary>
-        public static string ToValueString(this GenerationModelPricingUnit value)
-        {
-            return value switch
-            {
-                GenerationModelPricingUnit.Minute => "minute",
-                GenerationModelPricingUnit.Render => "render",
-                GenerationModelPricingUnit.Second => "second",
-                GenerationModelPricingUnit.ThousandCharacters => "thousandCharacters",
-                _ => throw new global::System.ArgumentOutOfRangeException(nameof(value), value, null),
-            };
-        }
-        /// <summary>
-        /// Converts an string to a enum.
-        /// </summary>
-        public static GenerationModelPricingUnit? ToEnum(string value)
-        {
-            return value switch
-            {
-                "minute" => GenerationModelPricingUnit.Minute,
-                "render" => GenerationModelPricingUnit.Render,
-                "second" => GenerationModelPricingUnit.Second,
-                "thousandCharacters" => GenerationModelPricingUnit.ThousandCharacters,
-                _ => null,
-            };
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/libs/Shotstack/openapi.json b/src/libs/Shotstack/openapi.json
index e94f170..60b3840 100644
--- a/src/libs/Shotstack/openapi.json
+++ b/src/libs/Shotstack/openapi.json
@@ -5741,21 +5741,10 @@
         ]
       },
       "GenerationModelPricing": {
-        "description": "What one generation costs, in credits. There is no formula to evaluate: multiply the rate by the number of units the generation consumes. Where a model charges differently per option value, `credits` is an object keyed by that value and `tieredBy` names the option that selects it.",
+        "description": "What one generation costs, in credits: the rate multiplied by the units consumed. `quantity` says how to count the units, and is absent when one generation is one unit. Where a model charges differently per option value, `credits` is an object keyed by that value and `tieredBy` names the option that selects it.",
         "properties": {
-          "unit": {
-            "description": "What one unit is. `render` means the whole generation counts as one unit, whatever its size.",
-            "type": "string",
-            "enum": [
-              "render",
-              "second",
-              "minute",
-              "thousandCharacters"
-            ],
-            "example": "second"
-          },
           "credits": {
-            "description": "Credits per unit. A number when the rate is flat, or an object keyed by the values of the options named in `tieredBy`.",
+            "description": "Credits per unit. A number when the rate is flat, or an object keyed by the values of the option named in `tieredBy`.",
             "oneOf": [
               {
                 "type": "number"
@@ -5772,19 +5761,69 @@
             }
           },
           "tieredBy": {
-            "description": "The options whose values select the rate, outermost first. Absent when `credits` is a single number.",
-            "type": "array",
-            "items": {
-              "type": "string"
+            "description": "The option whose value selects the rate, and the value assumed when the option is absent. Present only when `credits` is keyed.",
+            "type": "object",
+            "properties": {
+              "option": {
+                "type": "string",
+                "example": "resolution"
+              },
+              "default": {
+                "type": "string",
+                "example": "720p"
+              }
             },
-            "example": [
-              "resolution"
+            "required": [
+              "option",
+              "default"
             ]
           },
-          "minUnits": {
-            "description": "The fewest units a generation is charged for, when a model has a minimum charge.",
-            "type": "number",
-            "example": 0.1
+          "quantity": {
+            "description": "How many units a generation consumes. Take the value `measure` names, or `default` when the request carries none, hold it within `min` and `max`, divide by `per`, and round up when `round` is `up`. Absent when one generation is one unit.",
+            "type": "object",
+            "properties": {
+              "measure": {
+                "description": "What the count is taken from, and the scale it is measured in.",
+                "type": "string",
+                "enum": [
+                  "clipSeconds",
+                  "promptCharacters"
+                ],
+                "example": "clipSeconds"
+              },
+              "per": {
+                "description": "How many of `measure` make one billable unit.",
+                "type": "number",
+                "example": 60
+              },
+              "min": {
+                "description": "Fewest accepted. A smaller request is charged at this.",
+                "type": "number",
+                "example": 3
+              },
+              "max": {
+                "description": "Most accepted. A larger request is charged at this.",
+                "type": "number",
+                "example": 600
+              },
+              "default": {
+                "description": "Assumed when the request carries no value.",
+                "type": "number",
+                "example": 30
+              },
+              "round": {
+                "description": "Present when a partial unit is charged as a whole one. A 61 second track on a per-minute rate is charged as two minutes.",
+                "type": "string",
+                "enum": [
+                  "up"
+                ],
+                "example": "up"
+              }
+            },
+            "required": [
+              "measure",
+              "per"
+            ]
           },
           "effectiveFrom": {
             "description": "The date this rate took effect, or `legacy` for a rate that predates dated pricing.",
@@ -5793,7 +5832,6 @@
           }
         },
         "required": [
-          "unit",
           "credits",
           "effectiveFrom"
         ],