Add documentation for enable_caching_on_provider_specific_optional_params setting

[Sameerlite]

Title

Add documentation for enable_caching_on_provider_specific_optional_params setting

Relevant issues

Fixes #15595

Pre-Submission checklist

Please complete all items before asking a LiteLLM maintainer to review your PR

• I have Added testing in the tests/litellm/ directory, Adding at least 1 test is a hard requirement - see details
• I have added a screenshot of my new test passing locally
• My PR passes all unit tests on make test-unit
• My PR's scope is as isolated as possible, it only solves 1 specific problem

Type

📖 Documentation

Changes

• Added comprehensive documentation for enable_caching_on_provider_specific_optional_params setting in docs/my-website/docs/proxy/caching.md
• Updated example config in litellm/proxy_server_config.yaml to show the setting (commented out for reference)

Key Documentation Added:

litellm_settings:
  cache: True
  cache_params:
    type: "redis"
  enable_caching_on_provider_specific_optional_params: True  # Include provider-specific params in cache keys

Test case for caching with provider specific optional param are already there

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Project	Deployment	Preview	Comments	Updated (UTC)
litellm	Ready	Preview	Comment	Oct 24, 2025 6:41am