Inference service · Routing aggregator
OpenRouter
A unified API and billing layer that routes model requests across multiple upstream inference providers and model publishers.
- Operator
- OpenRouter
- Delivery
- On-demand
- Model sources
- Third-party proprietary models · Open-weight models
- API styles
- OpenAI-compatible
- Boundary
- Represents OpenRouter's API routing service, not the upstream providers, the underlying model releases, or OpenRouter's end-user chat interface.
Open in the directory → Open official service documentation ↗
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