Anthropic says 80% of Claude's own code is now written by Claude
chrismattmann · x · 2026-09-18
Chris Mattmann cited Anthropic's own blog in a TV interview: since May, roughly 80% of the code Anthropic generates for Claude, its AI chatbot, is written by Claude itself — a striking case of AI bootstrapping its own development and a notable signal for the software industry.
Related event: Anthropic Discloses Internal Metrics: Claude Now Drives 26% of Its R&D(41 posts)→
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