Litellm config to trick claude code into using Venice.AI's API

config.yaml

# For more information see: https://juraj.bednar.io/en/blog-en/2026/01/04/using-claude-code-through-venice-ai/

model_list:
  - model_name: claude-sonnet-4-5-20250929
    litellm_params:
      model: openai/claude-opus-45
      api_base: https://api.venice.ai/api/v1
      api_key: "os.environ/VENICE_LITELLM_API_KEY"
      # This strips the exact parameter Venice is complaining about
      additional_drop_params: ["context_management"]

  - model_name: claude-opus-4-5-20251101
    litellm_params:
      model: openai/claude-opus-45
      api_base: https://api.venice.ai/api/v1
      api_key: "os.environ/VENICE_LITELLM_API_KEY"
      additional_drop_params: ["context_management"]

  - model_name: claude-haiku-4-5-20251001
    litellm_params:
      model: openai/gemini-3-pro-preview
      api_base: https://api.venice.ai/api/v1
      api_key: "os.environ/VENICE_LITELLM_API_KEY"
      additional_drop_params: ["context_management"]

litellm_settings:
  drop_params: True
  set_verbose: False
  return_mapped_model_name: True