Reasoning & knowledge

Humanity's Last Exam

by Center for AI Safety & Scale AI

Editor note

Very hard questions contributed by experts across many fields, made to stay difficult after older benchmarks saturated.

What it tests
Frontier academic knowledge and reasoning.
Original source
lastexam.ai/
Last updated
Not checked yet
License
Not checked yet — see source

Facts come only from the linked source (checked 15 Oct 2026). Credit belongs to the creators.

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