azure_openai_streamingTier 1 · 70% confidence

ai-agents-azure-openai-streami-streaming-response-with-azurechatopenai-responses--8577a2c1

agent: ai_agents

When does this happen?

IF Streaming response with AzureChatOpenAI Responses API fails with TypeError: missing required arguments when using the stream method with 'use_responses_api=True' and 'model_kwargs' containing reasoning config.

How others solved it

THEN Upgrade langchain-openai to the latest version (tested with 0.3.25 or newer) to resolve the streaming error. The underlying issue was a missing required argument ('messages' and 'model' or 'messages', 'model', and 'stream') when the Responses API is used with streaming.

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