OpenRouter Has a Free API — Access GPT-4, Claude, Llama, and 200+ AI Models with One Endpoint

OpenRouter is a unified API gateway that gives you access to 200+ AI models from OpenAI, Anthropic, Google, Meta, Mistral, and more — all through a single OpenAI-compatible endpoint. Free tier available. Some models are completely free. No credit card required to start. Why Use OpenRouter? One API, 200+ models — GPT-4o, Claude 3.5, Llama 3.1, Gemini, Mistral, and more Free models — several models available at zero cost OpenAI-compatible — change one line of code to switch from OpenAI Automatic fallback — if one provider is down, routes to another Price comparison — see cost per token across providers Quick Setup 1. Get API Key Sign up at openrouter.ai → Dashboard → Keys → Create Key (free). 2. Chat Completion curl -s https://openrouter.ai/api/v1/chat/completions \ -H "Content-Type: application/json" \ -H "Authorization: Bearer $OPENROUTER_API_KEY " \ -d '{ "model": "meta-llama/llama-3.1-8b-instruct:free", "messages": [{"role": "user", "content": "What is web scraping and when is it leg