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Cherry Studio (download, docs) is a free, open-source desktop AI client. No paid plan required — custom endpoints are open to everyone.
Protocol: OpenAI-compatible
  • Base URL: https://api.orcarouter.ai — the bare host, no /v1 (Cherry appends /v1/chat/completions itself; verified)
  • If you ever get a 404, try https://api.orcarouter.ai/v1

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Connect

  1. Open Cherry Studio → Settings (gear) → Model Provider.
  2. At the bottom of the provider list, click + Add to create a new provider. Do not use the built-in “cherryin” provider — its API address is a locked dropdown you can’t edit. Set name OrcaRouter, type OpenAI.
  3. Fill in:
    • API Key: sk-orca-...
    • API Address (Host): https://api.orcarouter.ai (bare, no /v1)
  4. Click Add Model and enter the Model ID in vendor/model format, e.g. orcarouter/auto or anthropic/claude-sonnet-4.6.
  5. Toggle the provider on, then pick the model in chat and send a message.
Verified in-app: a new OpenAI provider with bare URL https://api.orcarouter.ai and model orcarouter/auto returned the correct answer.

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Notes

  • The built-in cherryin provider has a locked address dropdown — it can’t point at OrcaRouter. Always create a fresh OpenAI provider.
  • Model IDs use the vendor/model format, or orcarouter/auto.