OpenRouter
A unified API for accessing AI models from multiple providers.
What is OpenRouter?
OpenRouter is a unified interface for accessing AI models from many providers through one API. It is aimed at developers and teams that want a single integration point rather than separate integrations for each model provider.
The platform lists models from more than 80 providers and offers a catalog of more than 500 models. Users can browse the available options, compare them, and select models through the same service.
Developers buy credits that can be used with any model or provider, then create an API key to make requests. OpenRouter describes its API as fully compatible with OpenAI, which can simplify adoption for existing OpenAI-style integrations.
Beyond API access, OpenRouter includes model rankings, benchmarks, a chat interface, and a discovery experience. These tools help teams evaluate available models before choosing one for a product workflow.
OpenRouter is a fit for applications that need optionality across providers or want to change models without rebuilding their application-level API integration. Its approach centers on model access and routing rather than training or hosting a single proprietary model.
OpenRouter Features
Unified model access
OpenRouter presents one interface for accessing models across providers. It is designed to give developers a common path for model selection and API usage instead of separate provider-specific integrations.
Model discovery
OpenRouter lists a large set of active models and providers in its catalog. Developers can use this catalog to discover options before deciding which model to call from an application.
Credit-based billing
OpenRouter uses credits that apply across models and providers. This allows teams to fund usage through one balance rather than separate billing accounts for each provider in their stack.
OpenAI-compatible API
OpenRouter provides API keys for making model requests through its service. It describes the API as fully OpenAI compatible, which can help teams adapt integrations built around that interface.
Pricing
Paid
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