ObservingKnowledge & language

Humanity’s Last Exam

Center for AI Safety / Scale AI · Public model evaluation results from Humanity’s Last Exam.

Source description

This source measures concrete delivery performance in Knowledge & language; raw scores are shown separately from the normalized capability score.

Limitation: Different versions, reasoning settings, and test sets may change scores; read them with the data date.

How it is used

Participating sources affect capability scores; reference, cross-reference, and observing sources are for comparison and verification only.

Model results from this source


Fugu Ultra	50	50.0	2026-08-05
Fugu	47.2	47.2	2026-08-05