Anthropic's Claude now writes code and proves it safe automatically

- Anthropic Claude: 17 events in the last 90 days
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What happened
Anthropic had Claude generate mathematical proofs that existing code is correct, producing roughly 180 million lines of proof code for 123 open-source libraries. Along the way, the model caught bugs that years of testing had missed. Anthropic's goal: making formal verification with AI as routine as standard testing.
Summary assembled by rule from the sources below