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OpenRouter Claude 3.7 Sonnet (Recommended)

Access multiple models via OpenRouter using unified OpenAI chat format. Supports Claude, GPT, and other models with higher rate limits.

Client Used

ClaudeOpenRouterClient

Environment Setup

Environment Variables
export OPENROUTER_API_KEY="your-openrouter-key"
export OPENROUTER_BASE_URL="https://openrouter.ai/api/v1"  # optional

Configuration

Agent Configuration
main_agent:
  llm: 
    provider_class: "ClaudeOpenRouterClient"
    model_name: "anthropic/claude-3.7-sonnet"  # or openai/gpt-4, etc.
    openrouter_api_key: "${oc.env:OPENROUTER_API_KEY,???}"
    openrouter_base_url: "${oc.env:OPENROUTER_BASE_URL,https://openrouter.ai/api/v1}"
    openrouter_provider: "anthropic"  # Force provider, or "" for auto

Other Supported Models

  • openai/gpt-4
  • openai/gpt-3.5-turbo
  • anthropic/claude-3-opus
  • google/gemini-pro
  • Many others via unified OpenAI format

Usage

Example Command
# Use existing OpenRouter config
uv run main.py trace --config_file_name=your_config_file \
    --task="Your task" --task_file_name="data/file.txt"

Benefits vs Direct API

  • Unified chat format
  • Higher rate limits

Documentation Info

Last Updated: September 2025 · Doc Contributor: Team @ MiroMind AI