ToRouter DocsCursor
Point Cursor's chat and Composer at ToRouter to use Claude, GPT, Gemini and more from one key.
Cursor accepts any OpenAI-compatible endpoint as a custom model provider. Pointing it at ToRouter unlocks Claude, GPT, Gemini and the rest of the catalog in chat, Composer and inline edits — without needing a paid Cursor Pro tier for those models.
Configuration
| Field | Value |
|---|---|
| Override OpenAI Base URL | https://portal.torouter.ai/v1 |
| OpenAI API Key | sk-*** |
| Models | add manually, e.g. claude-opus-4-7, claude-sonnet-4-5, gpt-5, gemini-2.5-pro |
Walkthrough
Open model settings
Cmd , → Settings → Models. Scroll to the OpenAI API Key section.
Override the base URL
Toggle Override OpenAI Base URL on and paste https://portal.torouter.ai/v1.
Paste your ToRouter key
In the OpenAI API Key field paste sk-***. Click Verify — Cursor will issue a test request to your override URL.
Add the models you want
In the same panel click + Add model and type the model id exactly as it appears in the ToRouter catalog — e.g. claude-opus-4-7. Repeat for each model. Toggle them on.
Pick the model in chat
Open the chat sidebar (Cmd L) and pick your new model from the dropdown. It should respond instantly.
Gotchas
- Verifying the key fails if you forget the
/v1suffix or add a trailing slash. - Once you override the base URL, all Cursor traffic on that "OpenAI" provider routes through ToRouter — built-in OpenAI models still listed in the UI now also go through your key.
- Some Cursor features (Tab autocomplete, agent tools) are wired to specific upstream models. Pick a compatible model id; refer to Cursor's documentation for the current matrix.
- The Anthropic / Google provider slots in Cursor settings are independent — you can leave them empty if you only use the OpenAI-compatible override.