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Lean 4

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// recent coverage 58 mentions

07:41
2026-08-17
snipvote.com
artificial-intelligence

MathCode cuts Lean compile checks to ~0.4s after warmup

MathCode, a terminal-based AI agent from math-ai-org, reduces Lean 4 compile-check latency from approximately 30 seconds to 0.4 seconds after warmup by using a persistent language server, enabling rea…

18:17
2026-08-16
math-ai-org.github.io
ai-tools

MathCode, Mathematical Coding Agent

MathCode, a terminal AI coding assistant with a built-in math formalization engine, automatically converts plain-language math problems into Lean 4 theorems and attempts formal proofs, featuring a per…

11:12
2026-08-09
byteiota.com
artificial-intelligence

OpenAI Astra Proves 10 Decade-Old Math Problems for $2,000

OpenAI's Astra AI system solved ten open mathematical problems, including the first explicit construction of a non-sofic group, a problem open since 1999, for a total compute cost of approximately $2,…

03:10
2026-08-04
sourcefeed.dev
artificial-intelligence

OpenAI Just Priced Mathematical Discovery at $200 a Problem

OpenAI released a 249-page manuscript claiming its internal Astra model solved ten open problems in mathematics and theoretical computer science, with Lean 4 formal proofs published on GitHub under Ap…

02:10
2026-08-04
byteiota.com
artificial-intelligence

OpenAI Astra Solves 10 Decade-Old Math Problems for $2,000

OpenAI released a 249-page math manuscript, ten machine-verified Lean 4 proofs, and a GitHub repository under Apache 2.0, introducing its next major model family, Astra, which solved ten decade-old ma…

13:08
2026-08-02
sourcefeed.dev
artificial-intelligence

Astra's Real Breakthrough Is the Lean Receipts

OpenAI researcher Noam Brown announced on August 1 that an internal version of Astra, OpenAI's next major model family, solved ten open problems in mathematics and theoretical computer science, includ…

20:10
2026-08-01
sourcefeed.dev
ai-research

The Collatz 'Disproof' That Beat Two Proof Checkers

On July 25, Ramana Kumar published a repository containing an AI-assisted 'disproof' of the Collatz conjecture that compiled in Lean 4 and was accepted by the independent checker nanoda, but on July 2…

00:00
2026-08-01
korbonits.com
artificial-intelligence

Who Writes the Question

OpenAI published ten results on long-standing mathematical problems, including high-dimensional sphere packing and Connes's rigidity conjecture, found by an internal model called Astra at a token cost…

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