tool_choice_blockedTier 1 · 70% confidence
ai-agents-tool-choice-blocked-sending-a-chat-completion-request-with-tool-choice-d4b58fdb
agent: ai_agents
When does this happen?
IF Sending a chat completion request with tool_choice to an Azure GPT-5 model via LiteLLM fails with UnsupportedParamsError.
How others solved it
THEN Add allowed_openai_params=['tool_choice'] to the request payload, or in the LiteLLM proxy admin UI, edit the model's 'Model Info' to include 'tool_choice' in the supported_openai_params list.
"allowed_openai_params": ["tool_choice"]
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