Two rivals, one proven answer: ChatGPT and Claude work together on your iPhone, for free
TL;DR: Poly Duo (C1M) is a free, open-source shortcut for iPhone. ChatGPT responds, Claude checks and corrects the answer, and you get a single result that starts with what both agree on, where they differ, and what you should check yourself. It runs on your phone, with the accounts you already have. No proprietary server, no API keys, no…
Poly Duo is a free, open-source shortcut for iPhone that combines the responses of ChatGPT and Claude to provide a single, verified result. The tool, available on GitHub, allows users to ask a question, receive an answer from ChatGPT, and then have Claude review and correct the response. The result is displayed in three sections: what both models agree on, where they differ, and what the user should verify themselves.
The shortcut can be installed via a webpage and works with existing ChatGPT and Claude accounts, without requiring a personal server or API keys.
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