Claude now handles 26% of Anthropic's R&D work, up from under 1% in March

emmanuelvivier · x · 2026-09-19

AI industry observer Emmanuel Vivier shared a figure claiming that Claude now accounts for roughly 26% of Anthropic's internal R&D work, up from less than 1% in March — a dramatic jump over just a few months.

The number hasn't been officially confirmed by Anthropic, but it aligns with the broader trend of AI labs using their own models to accelerate internal research, feeding the recursive self-improvement narrative.

Related event: Anthropic Discloses Internal Metrics: Claude Now Drives 26% of Its R&D(41 posts)→

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