OneAnswerAI

What it does

Ask once. GPT-4o, Gemini and Claude answer at the same time — and OneAnswerAI runs a live web search before replying, so the fused answer is grounded in real, current sources instead of outdated training data. Pick the best answer or let it synthesize all three. PDFs, images, 7 languages. Free to try on iOS, no signup.

Ask once. OpenAI, Google Gemini, and Anthropic Claude answer simultaneously. OneAnswerAI fuses them into one verified response.

You’ve been asking one AI at a time. That’s leaving two answers on the table. OneAnswerAI asks OpenAI, Gemini, and Claude simultaneously — then fuses their answers into one verified response, or lets you pick the best. One app. All three. No switching. See the raw answer from each AI family side by side. Read all three, decide which one resonates, copy it. You stay in control. Type your question. It routes to OpenAI, Gemini, and Claude at the same time. Each AI family responds independently in parallel. No waiting for one to finish before starting the next. Tap the answer you trust most. Save it, copy it, continue the conversation with that AI. Let the engine synthesize. We take the…from one-answer-ai.com

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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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  thisorthis.ai2024 · thisorthis.ai · ▲135

  Hey HN — I'm Parth, I built thisorthis.ai because I was tired of copy-pasting the same prompt across ChatGPT, Claude, and Gemini tabs to figure out which model actually gave the best answer. What it does: You type one prompt, pick 2–6 models (we support 47 text models and several image models across OpenAI, Anthropic, Google, xAI, Meta, Amazon, Mistral, Cohere, AI21), and see every response side-by-side. There's also a feature called SmartPick that uses an LLM evaluator to score each response on Clarity, Accuracy, Completeness, and Helpfulness — useful when you're comparing 6 models and…

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  NitoAI 2025 · nitoai.app · ▲21

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  An open-source app to query 10 AI models at once2025 · github.com · ▲5

  Hey HN, My workflow for any complex queries is to ask it in multiple AI chats (Gemini, Claude, o3,..) in parallel and then continue the conversation with the chat response that I found the most useful. I built a simple open source app that queries 10+ AI models at once and summarizes their answers with a selected combiner AI model. There's a GIF in the github repo that shows it in action. You can try it on your local machine: https://github.com/Nexarithm/multi_model_chat If you are interested, I also made a detailed blog post on technical details, feature of the personal…

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