Anthropic says Claude now writes over 90% of its code and wants the world to have an AI pause button
80% of Anthropic's production code now written by Claude. The company that built it is calling for a global AI pause button.

Why it matters
Anthropic is using internal capability data as both a competitive signal and a lever for governance—claiming self-improvement velocity so advanced it justifies a coordinated industry pause. This frames AI safety as a collective action problem, not a regulatory one.
The key facts
5 to know80%+ of Anthropic's production code now generated by Claude
Engineers shipping 8x more code per day vs. 2024
Anthropic calling for verifiable global development pause
Conditional commitment: Anthropic would pause if other frontier labs demonstrably do the same
Internal framing: AI self-improvement as trigger for acceleration risk
Go to the source
The Decoderthe-decoder.com
Publisher excerpt: Anthropic is sharing internal data showing how much Claude is speeding up its own AI development: more than 80 percent of production code now comes from Claude, and engineers are shipping eight times as much code per day as in 2024. The goal is AI that improves itself, which would trigger a massive…