CheyX

Check AI model costs before you run a prompt

Productivity Developer Tools Artificial Intelligenceローンチ 2026年6月2日

CheyX とは？

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.

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