Development

A model takes first on a research physics benchmark

development2026-02-08

Claim

Claude Opus 4.6 took first place on the CritPt physics benchmark, with xAI co-founder Igor Babuschkin saying a Claude Code moment for research is not far off.

Reporting date: 2026-02-08 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

Welcome to February 8, 2026 (theinnermostloop.substack.com)

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About

CritPt

Reported in

Welcome to February 8, 2026

Actor

Anthropic

Evidence for

Supersedes

A prover settles an open research conjecture unaided

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A model takes first on a research physics benchmark
Innermost Loop KB — secondary record
Reporting date: 2026-02-08
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2026-02-08-opus-tops-critpt-physics
Claim: Claude Opus 4.6 took first place on the CritPt physics benchmark, with xAI co-founder Igor Babuschkin saying a Claude Code moment for research is not far off.
Attributed sources:
- Welcome to February 8, 2026 — https://theinnermostloop.substack.com/p/welcome-to-february-8-2026
This citation does not imply independent verification of linked-source claims.

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