Epoch puts the open-weight FrontierMath lag at seven months

Claim

Epoch AI found leading open-weight Chinese models trail the FrontierMath Tiers 1-3 edge by approximately seven months.

Reported metric: ~7 months

Reporting date: 2025-12-23 (not necessarily the event date)

Sources

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

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