Unified API gateway that routes requests to 400+ LLMs across 70+ providers with failover and no subscription.
What it does
OpenRouter is a single, OpenAI-compatible API that gives access to hundreds of large language models from many providers. It offers automatic failover, edge routing for low latency, competitive pricing and fine-grained data policies, and is used by many apps and agents.
How to use: Sign up for an account, buy credits, create an API key, and start making requests using the OpenAI SDK. Browse available models and utilize the unified interface to access them.
Core features
One unified, OpenAI-compatible API for 400+ models
Automatic provider failover for higher uptime
Edge routing for low latency
Custom data and provider policies
Pay-as-you-go credits usable across any model
Best for
→Accessing many LLMs through one integration
→Adding provider redundancy to AI apps
→Comparing model price and performance
→Powering agents and AI-native products
Pricing
Free
Pay-as-you-go: 5.5% platform fee on inference
Toolspool rankingby monthly traffic
Reviews
Big-picture takes: what it's for and whether it delivers. High-engagement YouTube videos — not sponsored.
Tutorials
Step-by-step: exactly how to get things done with it.