diff --git a/livekit-plugins/livekit-plugins-openai/livekit/plugins/openai/realtime/api_proto.py b/livekit-plugins/livekit-plugins-openai/livekit/plugins/openai/realtime/api_proto.py
index 7ad4f6fec..19d665b6c 100644
--- a/livekit-plugins/livekit-plugins-openai/livekit/plugins/openai/realtime/api_proto.py
+++ b/livekit-plugins/livekit-plugins-openai/livekit/plugins/openai/realtime/api_proto.py
@@ -76,6 +76,7 @@ class ServerVad(TypedDict):
     threshold: NotRequired[float]
     prefix_padding_ms: NotRequired[int]
     silence_duration_ms: NotRequired[int]
+    create_response: bool
 
 
 class FunctionTool(TypedDict):
diff --git a/livekit-plugins/livekit-plugins-openai/livekit/plugins/openai/realtime/realtime_model.py b/livekit-plugins/livekit-plugins-openai/livekit/plugins/openai/realtime/realtime_model.py
index d8db6be28..5f075d609 100644
--- a/livekit-plugins/livekit-plugins-openai/livekit/plugins/openai/realtime/realtime_model.py
+++ b/livekit-plugins/livekit-plugins-openai/livekit/plugins/openai/realtime/realtime_model.py
@@ -1461,7 +1461,7 @@ def _handle_response_created(
         response = response_created["response"]
         done_fut = self._loop.create_future()
         status_details = response.get("status_details")
-        metadata = response.get("metadata")
+        metadata = (response.get("metadata")).json()
 
         new_response = RealtimeResponse(
             id=response["id"],
@@ -1643,8 +1643,8 @@ def _handle_response_done(self, response_done: api_proto.ServerEvent.ResponseDon
 
         response.status = response_data["status"]
         response.status_details = response_data.get("status_details")
-        response.metadata = response_data.get("metadata")
-        response.output = response_data.get("output")
+        response.metadata = (response_data.get("metadata")).json()
+        response.output = cast(list[RealtimeOutput], response_data.get("output"))
         response.usage = response_data.get("usage")
 
         metrics_error = None