diff --git a/.dotnet/CHANGELOG.md b/.dotnet/CHANGELOG.md
index 03026588d..03700e291 100644
--- a/.dotnet/CHANGELOG.md
+++ b/.dotnet/CHANGELOG.md
@@ -7,6 +7,7 @@
 ### Breaking Changes
 
 - Renamed `AudioClient`'s `GenerateSpeechFromText` methods to simply `GenerateSpeech`. (commit_hash)
+- Changed the type of `OpenAIFileInfo`'s `SizeInBytes` property from `long?` to `int?`. (commit_hash) 
 
 ### Bugs Fixed
 
diff --git a/.dotnet/api/OpenAI.netstandard2.0.cs b/.dotnet/api/OpenAI.netstandard2.0.cs
index fa901d491..1a843e581 100644
--- a/.dotnet/api/OpenAI.netstandard2.0.cs
+++ b/.dotnet/api/OpenAI.netstandard2.0.cs
@@ -1720,7 +1720,7 @@ public class OpenAIFileInfo : IJsonModel<OpenAIFileInfo>, IPersistableModel<Open
         public string Filename { get; }
         public string Id { get; }
         public OpenAIFilePurpose Purpose { get; }
-        public long? SizeInBytes { get; }
+        public int? SizeInBytes { get; }
         public OpenAIFileStatus Status { get; }
         public string StatusDetails { get; }
         OpenAIFileInfo IJsonModel<OpenAIFileInfo>.Create(ref Utf8JsonReader reader, ModelReaderWriterOptions options);
@@ -1758,7 +1758,7 @@ public class OpenAIFileInfoCollection : ObjectModel.ReadOnlyCollection<OpenAIFil
         public override readonly string ToString();
     }
     public static class OpenAIFilesModelFactory {
-        public static OpenAIFileInfo OpenAIFileInfo(string id = null, long? sizeInBytes = null, DateTimeOffset createdAt = default, string filename = null, OpenAIFilePurpose purpose = default, OpenAIFileStatus status = default, string statusDetails = null);
+        public static OpenAIFileInfo OpenAIFileInfo(string id = null, int? sizeInBytes = null, DateTimeOffset createdAt = default, string filename = null, OpenAIFilePurpose purpose = default, OpenAIFileStatus status = default, string statusDetails = null);
         public static OpenAIFileInfoCollection OpenAIFileInfoCollection(IEnumerable<OpenAIFileInfo> items = null);
     }
     public readonly partial struct OpenAIFileStatus : IEquatable<OpenAIFileStatus> {
diff --git a/.dotnet/src/Custom/Files/OpenAIFileInfo.cs b/.dotnet/src/Custom/Files/OpenAIFileInfo.cs
index 0067c4793..17f0d4796 100644
--- a/.dotnet/src/Custom/Files/OpenAIFileInfo.cs
+++ b/.dotnet/src/Custom/Files/OpenAIFileInfo.cs
@@ -10,5 +10,5 @@ public partial class OpenAIFileInfo
     // CUSTOM: Renamed.
     /// <summary> The size of the file, in bytes. </summary>
     [CodeGenMember("Bytes")]
-    public long? SizeInBytes { get; }
+    public int? SizeInBytes { get; }
 }
diff --git a/.dotnet/src/Custom/Files/OpenAIFilesModelFactory.cs b/.dotnet/src/Custom/Files/OpenAIFilesModelFactory.cs
index 0d79b520e..41c130905 100644
--- a/.dotnet/src/Custom/Files/OpenAIFilesModelFactory.cs
+++ b/.dotnet/src/Custom/Files/OpenAIFilesModelFactory.cs
@@ -9,7 +9,7 @@ public static partial class OpenAIFilesModelFactory
 {
     /// <summary> Initializes a new instance of <see cref="OpenAI.Files.OpenAIFileInfo"/>. </summary>
     /// <returns> A new <see cref="OpenAI.Files.OpenAIFileInfo"/> instance for mocking. </returns>
-    public static OpenAIFileInfo OpenAIFileInfo(string id = null, long? sizeInBytes = null, DateTimeOffset createdAt = default, string filename = null, OpenAIFilePurpose purpose = default, OpenAIFileStatus status = default, string statusDetails = null)
+    public static OpenAIFileInfo OpenAIFileInfo(string id = null, int? sizeInBytes = null, DateTimeOffset createdAt = default, string filename = null, OpenAIFilePurpose purpose = default, OpenAIFileStatus status = default, string statusDetails = null)
     {
         return new OpenAIFileInfo(
             id,
diff --git a/.dotnet/src/Generated/Models/OpenAIFileInfo.Serialization.cs b/.dotnet/src/Generated/Models/OpenAIFileInfo.Serialization.cs
index 18fbf44df..fcd6544a3 100644
--- a/.dotnet/src/Generated/Models/OpenAIFileInfo.Serialization.cs
+++ b/.dotnet/src/Generated/Models/OpenAIFileInfo.Serialization.cs
@@ -111,7 +111,7 @@ internal static OpenAIFileInfo DeserializeOpenAIFileInfo(JsonElement element, Mo
                 return null;
             }
             string id = default;
-            long? bytes = default;
+            int? bytes = default;
             DateTimeOffset createdAt = default;
             string filename = default;
             InternalOpenAIFileObject @object = default;
@@ -134,7 +134,7 @@ internal static OpenAIFileInfo DeserializeOpenAIFileInfo(JsonElement element, Mo
                         bytes = null;
                         continue;
                     }
-                    bytes = property.Value.GetInt64();
+                    bytes = property.Value.GetInt32();
                     continue;
                 }
                 if (property.NameEquals("created_at"u8))
diff --git a/.dotnet/src/Generated/Models/OpenAIFileInfo.cs b/.dotnet/src/Generated/Models/OpenAIFileInfo.cs
index 240c8589d..6643d5ab8 100644
--- a/.dotnet/src/Generated/Models/OpenAIFileInfo.cs
+++ b/.dotnet/src/Generated/Models/OpenAIFileInfo.cs
@@ -10,7 +10,7 @@ namespace OpenAI.Files
     public partial class OpenAIFileInfo
     {
         internal IDictionary<string, BinaryData> SerializedAdditionalRawData { get; set; }
-        internal OpenAIFileInfo(string id, long? sizeInBytes, DateTimeOffset createdAt, string filename, OpenAIFilePurpose purpose, OpenAIFileStatus status)
+        internal OpenAIFileInfo(string id, int? sizeInBytes, DateTimeOffset createdAt, string filename, OpenAIFilePurpose purpose, OpenAIFileStatus status)
         {
             Argument.AssertNotNull(id, nameof(id));
             Argument.AssertNotNull(filename, nameof(filename));
@@ -23,7 +23,7 @@ internal OpenAIFileInfo(string id, long? sizeInBytes, DateTimeOffset createdAt,
             Status = status;
         }
 
-        internal OpenAIFileInfo(string id, long? sizeInBytes, DateTimeOffset createdAt, string filename, InternalOpenAIFileObject @object, OpenAIFilePurpose purpose, OpenAIFileStatus status, string statusDetails, IDictionary<string, BinaryData> serializedAdditionalRawData)
+        internal OpenAIFileInfo(string id, int? sizeInBytes, DateTimeOffset createdAt, string filename, InternalOpenAIFileObject @object, OpenAIFilePurpose purpose, OpenAIFileStatus status, string statusDetails, IDictionary<string, BinaryData> serializedAdditionalRawData)
         {
             Id = id;
             SizeInBytes = sizeInBytes;