One API key and OpenAI-compatible endpoint for 400+ AI models from 70+ providers, with automatic failover and unified billing.
OpenRouter homepage — all major models in one place
1 / 2Overview
What is OpenRouter?
Access 500+ models through one unified, OpenAI-compatible API.
OpenRouter is a unified LLM API and router: one account, one key, and one OpenAI-compatible endpoint reaching hundreds of models across providers like Anthropic, OpenAI, DeepSeek, Meta, Mistral, and Google. Switch models by changing a string, and let automatic failover reroute around provider outages.
- 500+ models and 80+ providers behind one endpoint
- Automatic failover for high availability
- Unified billing with pay-as-you-go pricing and no subscription
- Fine-grained data policies for organizational control
Sign up, create an API key, and point any OpenAI SDK at the OpenRouter endpoint to start.
Platforms and languages
OpenRouter Availability
Platforms
Languages
Capabilities
OpenRouter Key Features
One unified interface
Generate text, images, video, and audio through a single interface — all major models in one place.
Automatic failover
Distributed infrastructure reroutes requests to another provider when one degrades, keeping model calls reliable.
Better prices, no subscriptions
Pay-as-you-go pricing without a subscription; swap models by changing a string to control cost.
Custom data policies
Fine-grained data policies keep prompts flowing only to the models and providers you trust.
Fully OpenAI compatible
Create an API key and call the OpenAI-compatible endpoint with your existing SDK — no rewrite needed.
Best for
Who uses OpenRouter?
Developers who want model choice without provider lock-in
Route one API key across 400+ models with failover and unified billing
Plans and access
OpenRouter Pricing
Paid
Common questions
OpenRouter FAQs
What is OpenRouter?
OpenRouter is a unified LLM API and router: one API key and one OpenAI-compatible endpoint for 400+ models from 70+ providers, with automatic failover and unified billing.
How does OpenRouter pricing work?
It is pay-as-you-go with no subscription: you pay per-token prices for the models you use, and can mix cheap models for bulk work with premium ones.
Is OpenRouter OpenAI compatible?
Yes — it exposes a fully OpenAI-compatible API, so any OpenAI SDK or tool works by pointing the base URL at OpenRouter.
What happens when a provider goes down?
OpenRouter's distributed infrastructure automatically reroutes the request to another provider instead of failing the run.
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