OpenRouter — Multi-Model Gateway & Cost Optimization

One Key, All Models

OpenRouter is the universal adapter for AI models. Instead of managing API keys for OpenAI, Anthropic, Google, Meta, and Mistral separately, use one OpenRouter key to access them all — with automatic fallback and cost optimization.

• 200+ Models: GPT-4o, Claude 3.5, Gemini 2.0, Llama 3, Mixtral, and more.
• Cost Optimization: Auto-select the cheapest model that meets your capability requirements.
• Automatic Fallback: If one provider is down, requests route to alternatives.
• Usage Dashboard: Track spending across models with per-request granularity.

Configuration

// openclaw.json
{
  "llm": {
    "provider": "openrouter",
    "apiKey": "sk-or-v1-xxxx",
    "model": "anthropic/claude-sonnet-4-20250514"
  }
}

Why Use OpenRouter

1. Test different models without managing multiple API keys.
2. Automatic rate-limit handling across providers.
3. Built-in cost monitoring — never get surprised by a bill.