feat: pass extra_body through to LiteLLM acompletion #638
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rm-openai
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May 14, 2025
KatHaruto
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Jun 10, 2025
**Purpose** Allow arbitrary `extra_body` parameters (e.g. `cached_content`) to be forwarded into the LiteLLM call. Useful for context caching in Gemini models ([docs](https://ai.google.dev/gemini-api/docs/caching?lang=python)). **Example usage** ```python import os from agents import Agent, ModelSettings from agents.extensions.models.litellm_model import LitellmModel cache_name = "cachedContents/34jopukfx5di" # previously stored context gemini_model = LitellmModel( model="gemini/gemini-1.5-flash-002", api_key=os.getenv("GOOGLE_API_KEY") ) agent = Agent( name="Cached Gemini Agent", model=gemini_model, model_settings=ModelSettings( extra_body={"cached_content": cache_name} ) )
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Purpose
Allow arbitrary
extra_bodyparameters (e.g.cached_content) to be forwarded into the LiteLLM call. Useful for context caching in Gemini models (docs).Example usage