API access to OpenAI's language, image, audio and embedding models.
OpenRouter
Single API endpoint for routing requests across many model providers.
What is OpenRouter?
OpenRouter is Single API endpoint for routing requests across many model providers. It is listed in the AI Developer Tools category of the FreeAITools directory and is available on API.
Who is OpenRouter for?
It is most relevant to people working on model routing, including Developers.
Pricing and free plan
OpenRouter is listed as Freemium. Plans change often, so confirm the current free allowance on the official website before signing up.
Things to know
- Feature availability and limits can differ between free and paid plans.
- Check the provider's terms for commercial usage rights before publishing output.
- FreeAITools is independent and is not affiliated with OpenRouter.
Alternatives and related AI Developer Tools tools
Other tools in the same category.
Developer API for Claude models with long context and tool use.
Google AI Studio
Web • API
Free prototyping environment and API keys for Google's Gemini models.
Hugging Face
Web • API
Hub for open models, datasets and hosted inference for AI applications.
Replicate
Web • API
Run and fine-tune open models through a simple hosted API.
Together AI
API
Fast inference and fine-tuning for open-source models.
FAQ
What is OpenRouter?
OpenRouter is Single API endpoint for routing requests across many model providers.
Is OpenRouter free?
OpenRouter is listed as freemium. Confirm current limits on the official website.
What is OpenRouter used for?
It is mainly used for model routing within AI Developer Tools workflows.
What are alternatives to OpenRouter?
Comparable options include OpenAI Platform, Anthropic API, Google AI Studio, Hugging Face.