How to Get Free Multi-Model AI Access With UnoRouter

Tired of juggling a separate API key for every AI provider? UnoRouter connects you to hundreds of AI models through one OpenAI-compatible endpoint, with dozens of models available at no cost. No credit card is required to start testing.

Tutorial

1. Register at https://unorouter.com/. No credit card is needed to create your account.

1. Create your username and password, then generate your API key. That single key routes requests to OpenAI, Anthropic, Google, DeepSeek, and open-source models.

1. Check the free models list at https://unorouter.com/id/model and add the endpoint to your tools. It plugs into Cursor, Cline, Roo Code, Aider, OpenCode, and any OpenAI SDK setup.

Wrapping Up

You are set with one key and one endpoint covering 300+ models. Start with the free models for lightweight agent tasks and chat completions, then pick paid providers only when you need them.