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![xai Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::1661523610111193088.png) xAI [@xai](/creator/twitter/xai) on x 1.7M followers
Created: 2025-07-11 21:35:28 UTC

Humanity's Last Exam (HLE) is a rigorous intelligence benchmark featuring over 2500 problems crafted by experts in mathematics, natural sciences, engineering, and humanities. Most models score single-digit accuracy. Grok X and Grok X Heavy outperform all others.

![](https://pbs.twimg.com/media/Gvmx5zjXsAAbcbQ.jpg)

XXXXXX engagements

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**Related Topics**
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[Post Link](https://x.com/xai/status/1943786241306374426)