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Products that do what Profract Optimize AI costs in 5 minutes does
Find the best AI model for your prompts
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Find which AI wins for YOUR prompts. Test 100+ models free.
Dec 2025 · promptperf.dev
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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…
2024 · ithy.com
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Live pricing for 309+ AI models (GPT, Claude, Gemini, Llama, DeepSeek) plus real-world cost calculators: chatbots, API budgets, and token math. Updated 2026-09-06.
Aug 2026 · costperprompt.com
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Free master prompts for ChatGPT, Claude, Gemini & more
Mar 2026 · understandingai.net
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Live AI API pricing + calculators that model real workloads
27d ago · costperprompt.com
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Hey HN, I just updated my project that compares some LLMs. It uses your prompt for all the models and runs at the same time. You can see the results being generated in real-time and decide what's the best for your use case. I'm open to any suggestions and feedback. Thanks!
2024 · geminivsgpt.com
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Compare GPT, Claude, Gemini & DeepSeek by cost & benchmark
11d ago · universalnest.com
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Stop rewriting AI prompts. Build, run, and deploy them once.
Jun 2026 · gptpromptmachine.com
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Couldn't find a reliable, free place to share & rate AI prompts so I thought I'd take a stab at it Already has 500+ prompts generated by AI using the latest model prompting guidelines 5 different supported prompt types: full prompt, enhancement, template, system, chain 20+ categories: coding, writing, marketing, business, creative, etc. Every prompt gets evaluated automatically by multiple AI models (Claude 3 + GPT-4 Mini, more to come) Then humans can rate and there is an overall score that takes both AI & humans into account AI eval prompt here:…
2025 · josh.ing
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Ranked by how close each launch is in meaning, then by votes. Refine with a description →