diff --git a/client-sdks/stainless/openapi.yml b/client-sdks/stainless/openapi.yml
index 6ddae1ce3..a6ebc868c 100644
--- a/client-sdks/stainless/openapi.yml
+++ b/client-sdks/stainless/openapi.yml
@@ -6723,12 +6723,10 @@ components:
           type: array
           title: Output
         parallel_tool_calls:
-          title: Parallel Tool Calls
-          type: boolean
+          anyOf:
+          - type: boolean
+          - type: 'null'
           default: true
-          description: >-
-            (Optional) Whether to allow more than one function tool call generated
-            per turn.
         previous_response_id:
           anyOf:
           - type: string
@@ -6838,14 +6836,12 @@ components:
           title: Input
       type: object
       required:
-        - created_at
-        - id
-        - model
-        - object
-        - output
-        - status
-        - text
-        - input
+      - created_at
+      - id
+      - model
+      - output
+      - status
+      - input
       title: OpenAIResponseObjectWithInput
       description: OpenAI response object extended with input context information.
     OpenAIResponseOutput:
@@ -7127,12 +7123,14 @@ components:
           - type: 'null'
           title: OpenAIResponsePrompt
         instructions:
-          type: string
           anyOf:
           - type: string
           - type: 'null'
         parallel_tool_calls:
-          type: boolean
+          anyOf:
+          - type: boolean
+          - type: 'null'
+          default: true
         previous_response_id:
           anyOf:
           - type: string
@@ -7259,12 +7257,10 @@ components:
           type: array
           title: Output
         parallel_tool_calls:
-          type: boolean
-          title: Parallel Tool Calls
+          anyOf:
+          - type: boolean
+          - type: 'null'
           default: true
-          description: >-
-            (Optional) Whether to allow more than one function tool call generated
-            per turn.
         previous_response_id:
           anyOf:
           - type: string
@@ -7336,11 +7332,11 @@ components:
           - type: 'null'
       type: object
       required:
-        - created_at
-        - id
-        - model
-        - output
-        - status
+      - created_at
+      - id
+      - model
+      - output
+      - status
       title: OpenAIResponseObject
       description: Complete OpenAI response object containing generation results and metadata.
     OpenAIResponseContentPartOutputText:
diff --git a/docs/static/deprecated-llama-stack-spec.yaml b/docs/static/deprecated-llama-stack-spec.yaml
index 0bade1866..207af8926 100644
--- a/docs/static/deprecated-llama-stack-spec.yaml
+++ b/docs/static/deprecated-llama-stack-spec.yaml
@@ -3566,9 +3566,10 @@ components:
           type: array
           title: Output
         parallel_tool_calls:
-          type: boolean
-          title: Parallel Tool Calls
-          default: false
+          anyOf:
+          - type: boolean
+          - type: 'null'
+          default: true
         previous_response_id:
           anyOf:
           - type: string
@@ -3968,6 +3969,11 @@ components:
           anyOf:
           - type: string
           - type: 'null'
+        parallel_tool_calls:
+          anyOf:
+          - type: boolean
+          - type: 'null'
+          default: true
         previous_response_id:
           anyOf:
           - type: string
@@ -4094,9 +4100,10 @@ components:
           type: array
           title: Output
         parallel_tool_calls:
-          type: boolean
-          title: Parallel Tool Calls
-          default: false
+          anyOf:
+          - type: boolean
+          - type: 'null'
+          default: true
         previous_response_id:
           anyOf:
           - type: string
diff --git a/docs/static/experimental-llama-stack-spec.yaml b/docs/static/experimental-llama-stack-spec.yaml
index 4271989d6..f81a93d33 100644
--- a/docs/static/experimental-llama-stack-spec.yaml
+++ b/docs/static/experimental-llama-stack-spec.yaml
@@ -3263,9 +3263,10 @@ components:
           type: array
           title: Output
         parallel_tool_calls:
-          type: boolean
-          title: Parallel Tool Calls
-          default: false
+          anyOf:
+          - type: boolean
+          - type: 'null'
+          default: true
         previous_response_id:
           anyOf:
           - type: string
@@ -3662,9 +3663,10 @@ components:
           type: array
           title: Output
         parallel_tool_calls:
-          type: boolean
-          title: Parallel Tool Calls
-          default: false
+          anyOf:
+          - type: boolean
+          - type: 'null'
+          default: true
         previous_response_id:
           anyOf:
           - type: string
diff --git a/docs/static/llama-stack-spec.yaml b/docs/static/llama-stack-spec.yaml
index f9aef99a6..816f3d0fb 100644
--- a/docs/static/llama-stack-spec.yaml
+++ b/docs/static/llama-stack-spec.yaml
@@ -5744,12 +5744,10 @@ components:
           type: array
           title: Output
         parallel_tool_calls:
-          type: boolean
-          title: Parallel Tool Calls
+          anyOf:
+          - type: boolean
+          - type: 'null'
           default: true
-          description: >-
-            (Optional) Whether to allow more than one function tool call generated
-            per turn.
         previous_response_id:
           anyOf:
           - type: string
@@ -6146,12 +6144,14 @@ components:
           - type: 'null'
           title: OpenAIResponsePrompt
         instructions:
-          type: string
           anyOf:
           - type: string
           - type: 'null'
         parallel_tool_calls:
-          type: boolean
+          anyOf:
+          - type: boolean
+          - type: 'null'
+          default: true
         previous_response_id:
           anyOf:
           - type: string
@@ -6278,12 +6278,10 @@ components:
           type: array
           title: Output
         parallel_tool_calls:
-          type: boolean
-          title: Parallel Tool Calls
+          anyOf:
+          - type: boolean
+          - type: 'null'
           default: true
-          description: >-
-            (Optional) Whether to allow more than one function tool call generated
-            per turn.
         previous_response_id:
           anyOf:
           - type: string
diff --git a/docs/static/stainless-llama-stack-spec.yaml b/docs/static/stainless-llama-stack-spec.yaml
index a632844b2..a6ebc868c 100644
--- a/docs/static/stainless-llama-stack-spec.yaml
+++ b/docs/static/stainless-llama-stack-spec.yaml
@@ -6723,12 +6723,10 @@ components:
           type: array
           title: Output
         parallel_tool_calls:
-          type: boolean
-          title: Parallel Tool Calls
+          anyOf:
+          - type: boolean
+          - type: 'null'
           default: true
-          description: >-
-            (Optional) Whether to allow more than one function tool call generated
-            per turn.
         previous_response_id:
           anyOf:
           - type: string
@@ -7128,9 +7126,11 @@ components:
           anyOf:
           - type: string
           - type: 'null'
-          type: string
         parallel_tool_calls:
-          type: boolean
+          anyOf:
+          - type: boolean
+          - type: 'null'
+          default: true
         previous_response_id:
           anyOf:
           - type: string
@@ -7257,12 +7257,10 @@ components:
           type: array
           title: Output
         parallel_tool_calls:
-          type: boolean
-          title: Parallel Tool Calls
+          anyOf:
+          - type: boolean
+          - type: 'null'
           default: true
-          description: >-
-            (Optional) Whether to allow more than one function tool call generated
-            per turn.
         previous_response_id:
           anyOf:
           - type: string
diff --git a/src/llama_stack/providers/inline/agents/meta_reference/responses/streaming.py b/src/llama_stack/providers/inline/agents/meta_reference/responses/streaming.py
index 5a6d82d31..c58293e62 100644
--- a/src/llama_stack/providers/inline/agents/meta_reference/responses/streaming.py
+++ b/src/llama_stack/providers/inline/agents/meta_reference/responses/streaming.py
@@ -1025,7 +1025,6 @@ class StreamingResponseOrchestrator:
                 sequence_number=self.sequence_number,
             )
 
-
     async def _process_new_tools(
         self, tools: list[OpenAIResponseInputTool], output_messages: list[OpenAIResponseOutput]
     ) -> AsyncIterator[OpenAIResponseObjectStream]: