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Tom SmithOct 23, 2026

Claude Writes 180 Million Lines of Proofs to Verify 123 Open Source Libraries

Formal verification has long been the gold standard for software correctness. It has also been too expensive for almost everyone. New research from Anthropic suggests that’s changing. Anthropic’s Frontier Red Team, working with formal methods company Theorem, used Claude to prove security properties in the compiled code of 123 open-source libraries from Google’s OSS-Fuzz project. […]

AI-assisted developmentAnthropic