litellm - 💡(How to fix) Fix [Bug]: Unable to use Claude Opus 4.7 in Claude Code [5 comments, 4 participants]

❯ hello world
  ⎿  API Error: 400 {"error":{"message":"b'{\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"\\\\\"thinking.type.enabled\\\\\" is not supported for this model. Use \\\\\"thinking.type.adaptive\\\\\" and \\\\\"output_config.effort\\\\\" to
     control thinking behavior.\"},\"request_id\":\"req_011Ca7qUXxE8LhWBqa2KebcM\"}'","type":"None","param":"None","code":"400"}}

---

➜  scratch curl -s --location https://<redacted>/chat/completions --header 'Content-Type: application/json' --header "Authorization: Bearer $LITELLM_PROD_API_KEY" --data @data.json  | jq .
{
  "id": "chatcmpl-83449e15-cd2a-483d-ba51-d9a7593b7e3a",
  "created": 1776360820,
  "model": "claude-opus-4-7",
  "object": "chat.completion",
  "choices": [
    {
      "finish_reason": "stop",
      "index": 0,
      "message": {
        "content": "Pi to four decimal places is **3.1416**.",
        "role": "assistant",
        "provider_specific_fields": {
          "citations": null,
          "thinking_blocks": null
        }
      }
    }
  ],
  "usage": {
    "completion_tokens": 21,
    "prompt_tokens": 21,
    "total_tokens": 42,
    "completion_tokens_details": {
      "reasoning_tokens": 0,
      "text_tokens": 21
    },
    "prompt_tokens_details": {
      "cached_tokens": 0,
      "cache_creation_tokens": 0,
      "cache_creation_token_details": {
        "ephemeral_5m_input_tokens": 0,
        "ephemeral_1h_input_tokens": 0
      }
    },
    "cache_creation_input_tokens": 0,
    "cache_read_input_tokens": 0
  }
}

---

- litellm_params:
    api_key: os.environ/ANTHROPIC_API_KEY
    model: anthropic/claude-opus-4-7
  model_info:
    mode: chat
  model_name: claude-opus-4-7
- litellm_params:
    cache_control_injection_points:
    - location: message
      role: system
    model: vertex_ai/claude-opus-4-7
    use_in_pass_through: true
    vertex_credentials: os.environ/GOOGLE_SA_KEYFILE_PATH
    vertex_location: global
    vertex_project: <redacted>

---

⎿  API Error: 400 {"error":{"message":"b'{\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"\\\\\"thinking.type.enabled\\\\\" is not supported for this model. Use \\\\\"thinking.type.adaptive\\\\\" and \\\\\"output_config.effort\\\\\" to
     control thinking behavior.\"},\"request_id\":\"req_011Ca7qUXxE8LhWBqa2KebcM\"}'","type":"None","param":"None","code":"400"}}

---

fastapi.exceptions.HTTPException: 400: b'{"type":"error","error":{"type":"invalid_request_error","message":"\\"thinking.type.enabled\\" is not supported for this model. Use \\"thinking.type.adaptive\\" and \\"output_config.effort\\" to control thinking behavior."},"request_id":"req_011Ca7qUXxE8LhWBqa2KebcM"}'