GPT-6 Astra challenged the experts on a physics benchmark — and was right, scoring 98%

ESYudkowsky · x · 2026-10-15

Per @freddier, GPT-6 Astra scored +80% on a physics benchmark but insisted the expert-provided results were wrong and its own calculations were right. A team checked the disputed items and confirmed the model was correct; its score was revised to 98%.

Yudkowsky's retweet underscores a notable capability signal: frontier models pushing back on expert ground truth — and winning.

Related event: TheoPhysEval: GPT-6 Astra Hits 98% on Unpublished Research-Level Physics Problems(20 posts)→

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