Observed arrival · 2026-09-19
Jevmaxxing: a 450-millisecond reverse CAPTCHA
A speed-and-common-sense benchmark that asks humans and AI agents to answer ten questions under a 450 ms-per-question limit.
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ƒJS
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- AI benchmark builders and fast-response model testers
- Worth noticing
- The benchmark allows 450 ms per answer, requires 80%, and grades shuffled options using probabilities.
Field notes
The benchmark combines timed question answering with probability-based grading and shuffled options, then records completed runs by handle and model. Its current scoreboard is empty, and the site says entries are self-reported rather than verified. Agent instructions expose Python, Bash, and JavaScript command formats, while a separate human route challenges visitors to answer within the same 450-millisecond limit.
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○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
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