Anthropic researcher replicates half of OpenAI Astra's math results in 24 hours

Levent Alpöge, a mathematician at Anthropic, replicated half of OpenAI's Astra math results within 24 hours using the publicly-released Fable model, not Astra. Gary Marcus argues this raises questions about whether Astra's advance was finding which open problems are amenable to search-and-verify techniques.

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