Claude Opus 4.6 spends $20K trying to write a C compiler

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Anthropic researcher Nicholas Carlini used 16 Claude Opus 4.6 AI agents working autonomously to build a Rust-based C compiler capable of compiling the Linux kernel. The project consumed $20K in API costs over two weeks, generating 100,000 lines of code across 2,000 sessions. While the compiler successfully builds Linux 6.9 for

4m read timeFrom go.theregister.com
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