letta-server/tests/configs/llm_model_configs/claude-4-5-sonnet.json

{
  "model": "claude-sonnet-4-5-20250929",
  "model_endpoint_type": "anthropic",
  "model_endpoint": "https://api.anthropic.com/v1",
  "model_wrapper": null,
  "context_window": 200000,
  "put_inner_thoughts_in_kwargs": true,
  "enable_reasoner": true
}