PolyMind

What it does

PolyMind is a Chrome extension that sends your question to ChatGPT, Claude and Gemini at once. They read each other's answers and challenge weak points up to 5 rounds of real debate until the strongest answer survives. No single AI is right every time. Instead of switching tabs and guessing which one to trust, PolyMind puts them in the same room and makes them argue it out. Free to start, no credit card required.

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  TwinMind2024 · twinmind.com · ▲509

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  Ithy AI2025 · ithy.com · ▲167

  This is another one of my automate-my-life projects - I'm constantly asking the same question to different AIs since there's always the hope of getting a better answer somewhere else. Maybe ChatGPT's answer is too short, so I ask Perplexity. But I realize that's hallucinated, so I try Gemini. That answer sounds right, but I cross-reference with Claude just to make sure. This doesn't really apply to math/coding (where o1 or Gemini can probably one-shot an excellent response), but more to online search, where information is more fluid and there's no "right" search engine + text…

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  PolyGPT – ChatGPT, Claude, Gemini, Perplexity responses side-by-sideNov 2025 · polygpt.app · ▲26

  I built PolyGPT to solve a problem I had: constantly tab-switching between ChatGPT, Claude, and Gemini to compare their responses. It's a desktop app (Mac/Windows/Linux) that lets you type a prompt once and see all three AI models respond simultaneously in a split view. Useful for: - Comparing technical explanations - Getting multiple perspectives on code problems - Fact-checking answers across models The app is free, open source, and runs locally - your credentials stay on your machine. Download: https://polygpt.app Source:…

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