diff --git a/examples/Chat/Example08_ChatSerialization.cs b/examples/Chat/Example08_ChatSerialization.cs
index 2fd2df195..da3467cc4 100644
--- a/examples/Chat/Example08_ChatSerialization.cs
+++ b/examples/Chat/Example08_ChatSerialization.cs
@@ -39,7 +39,7 @@ public static BinaryData SerializeMessages(IEnumerable<ChatMessage> messages)
         writer.WriteEndArray();
         writer.Flush();
 
-        return BinaryData.FromBytes(stream.ToArray());
+        return BinaryData.FromBytes(stream.GetBuffer().AsMemory(0, (int)stream.Length));
     }
     #endregion
 
diff --git a/src/Custom/Embeddings/EmbeddingClient.cs b/src/Custom/Embeddings/EmbeddingClient.cs
index cf99c7405..f58018a50 100644
--- a/src/Custom/Embeddings/EmbeddingClient.cs
+++ b/src/Custom/Embeddings/EmbeddingClient.cs
@@ -217,7 +217,7 @@ private void CreateEmbeddingGenerationOptions(string input, ref EmbeddingGenerat
         writer.WriteStringValue(input);
         writer.Flush();
 
-        options.Input = BinaryData.FromBytes(stream.ToArray());
+        options.Input = BinaryData.FromBytes(stream.GetBuffer().AsMemory(0, (int)stream.Length));
         options.Model = _model;
         options.EncodingFormat = InternalCreateEmbeddingRequestEncodingFormat.Base64;
     }
@@ -237,7 +237,7 @@ private void CreateEmbeddingGenerationOptions(IEnumerable<string> inputs, ref Em
         writer.WriteEndArray();
         writer.Flush();
 
-        options.Input = BinaryData.FromBytes(stream.ToArray());
+        options.Input = BinaryData.FromBytes(stream.GetBuffer().AsMemory(0, (int)stream.Length));
         options.Model = _model;
         options.EncodingFormat = InternalCreateEmbeddingRequestEncodingFormat.Base64;
     }
@@ -264,7 +264,7 @@ private void CreateEmbeddingGenerationOptions(IEnumerable<ReadOnlyMemory<int>> i
         writer.WriteEndArray();
         writer.Flush();
 
-        options.Input = BinaryData.FromBytes(stream.ToArray());
+        options.Input = BinaryData.FromBytes(stream.GetBuffer().AsMemory(0, (int)stream.Length));
         options.Model = _model;
         options.EncodingFormat = InternalCreateEmbeddingRequestEncodingFormat.Base64;
     }
diff --git a/src/Custom/Moderations/ModerationClient.cs b/src/Custom/Moderations/ModerationClient.cs
index e450ec874..beae28782 100644
--- a/src/Custom/Moderations/ModerationClient.cs
+++ b/src/Custom/Moderations/ModerationClient.cs
@@ -170,7 +170,7 @@ private void CreateModerationOptions(string input, ref ModerationOptions options
         writer.WriteStringValue(input);
         writer.Flush();
 
-        options.Input = BinaryData.FromBytes(stream.ToArray());
+        options.Input = BinaryData.FromBytes(stream.GetBuffer().AsMemory(0, (int)stream.Length));
         options.Model = _model;
     }
 
@@ -189,7 +189,7 @@ private void CreateModerationOptions(IEnumerable<string> inputs, ref ModerationO
         writer.WriteEndArray();
         writer.Flush();
 
-        options.Input = BinaryData.FromBytes(stream.ToArray());
+        options.Input = BinaryData.FromBytes(stream.GetBuffer().AsMemory(0, (int)stream.Length));
         options.Model = _model;
     }
 }