AISimon Willisonabout 2 hours ago
Ten advances in mathematics and theoretical computer science
2 min read
OpenAI used an internal version of Astra to solve ten mathematical problems with no progress for at least a decade, spending under $2,000 per problem at GPT-5.6 Sol token prices. Results include Lean 4 formalizations and a paper, with an LLM-generated PDF reconstructing proofs.
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