The AI Wins

Business InsiderAnthropic

Anthropic's platform engineering team now has Claude writing all of its code

All code by Claude

Anthropic's platform engineering team has Claude writing all of its code, with agents handling test fixes autonomously.

Katelyn Lesse, who leads platform engineering at Anthropic, said her roughly 200-person group has Claude write all of its code. Engineers focus on system design and verification while agents handle building, monitoring, and autonomous test fixes, including a Python-to-Rust codebase migration.

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The tools behind this win

  • Claude CodeWrote all code for the platform engineering team and handled test fixes