Claude writes 80% of Anthropic's code; METR publishes independent assessment of its AI R&D acceleration

Nov 5, 2026 · Issue 14 · 4 sources, 4 articles

According to Cybernews, Claude writes 80% of its own code, while METR has published an independent assessment of AI R&D acceleration at Anthropic. The reports appeared on 5 November 2026.

Who is affected and how

tech lead

If your own team also relies on AI-written code, set up independent review and control processes in advance.

Narrative: Software factory: agents now write code

Sources

• Claude writes 80% of its own code. Who’s checking it? | Cybernewscybernews.com · Nov 5, 2026
• What Fact-Checking My Own Claude Code Guide Taught Me About Verifiable AIhackernoon · Nov 7, 2026
• Independent Assessment of AI R&D Acceleration at Anthropic in October 2026 - METRmetr.org · Nov 5, 2026
• Independent Assessment of AI R&D Acceleration at Anthropic in October 2026metr.substack.com · Nov 5, 2026

Machine-generated summary based on the titles and excerpts of the source articles. The facts come from the linked article.