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Lean 4

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// recent coverage 81 mentions

00:00
2026-09-06
ngrislain.github.io
developer-tools

Like Terraform, but in Lean 4

A developer spent two weekends building infra, an infrastructure-as-code tool in Lean 4 that functions like Terraform, supporting three clouds and 14 resource kinds across about 18,000 lines of code. …

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…

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