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Anthropic's AI Agents Build Working C Compiler in Two Weeks

Published: 2/5/2026, 8:13:50 PM

Anthropic tasked 16 instances of its Claude Opus 4.6 model with building a Rust-based C compiler named 'ccc' from scratch, using a shared Git repo and no external tools beyond Rust's standard library.

Sources

https://www.anthropic.com/engineering/building-c-compiler

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Anthropic's AI Agents Build Working C Compiler in Two Weeks

Sources

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