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GPT-6-Astra solves 49 of 50 physics research problems at $2.40 apiece.

The DecoderIndependent reporting·
AI brief

On the TheoPhysEval benchmark, GPT-6-Astra solved 49 of 50 unpublished theoretical physics calculations as accurately as leading specialists, at a cost of $2.40 per problem. In some cases where the agent appeared to fail, the experts' own reference solutions contained errors.

Written by AI from The Decoder's published text.

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“On the TheoPhysEval benchmark, GPT-6-Astra solves 49 of 50 unpublished theoretical physics calculations as accurately as leading specialists. In some cases where the agent seemed to fail, the experts' own reference solutions turned out to contain errors.”
The Decoder, 15 Oct 2026, 15:24.

Reporting from a publisher outside the organisation being covered.

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