AnalysisAI ModelsAugust 3, 2026

Anthropic researcher partially replicates OpenAI Astra math results with Fable

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

Featured · Levent Alpöge

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