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CheyX

CheyX

Check AI model costs before you run a prompt

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Paste any prompt, pick an expected output size, and CheyX estimates what it'll cost across 22 models — Claude, GPT, Gemini, Mistral, DeepSeek, Grok, Perplexity and Groq — sorted cheapest to most expensive. Includes a model recommendation engine that detects what your prompt is trying to do (coding, research, reasoning, chat) and picks the best fit. Plus batch/cache pricing mode, context window warnings, shareable links, and cost history. No login. No server. Runs entirely in your browser.

CheyX makers

Here are the founders, developers, designers and product people who worked on CheyX

Darul
DarulBuilding AI tools. Sharing what I learn.
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