Anthropic Employee Reproduces Half of Astra Math Proofs Using Fable in 24 Hours

An Anthropic researcher claimed to have reproduced half of OpenAI's Astra math proofs within 24 hours using Fable, sparking community discussions on reproducibility and rigor.

2026-08-02 ~ 2026-08-04 · 4 related posts

• Anthropic Employee Replicates Half of Astra Proofs Using Fable, Sparking Debate — Outside-Iron-8242 · 2026-08-02
• Anthropic Employee Claims to Replicate Half of Astra's Math Proofs Using Fable — haider1 · 2026-08-02
• OpenAI vs. Anthropic Math Duel: Astra's Lead Caught in 24 Hours — 新智元 · 2026-08-03
• Anthropic says Fable 5 reproduced 5 of OpenAI’s 10 Astra math advances in 24 hours — EricBuess · 2026-08-04