Anthropic announced on September 17, 2026 that its Claude models now lead 26% of its internal AI research and development work, up from under 1% in February 2026. The company projects this proportion could reach approximately 80% by the end of 2026. As of August 2026, over 90% of R&D tasks involved AI collaboration at AL3 or higher, with approximately 30,000 AI agents active on the internal platform. Experiments showed that Claude Opus 4.6-based agents closed 97% of the performance gap on an alignment problem in seven days, while in August 2026, Claude designed protein binders with higher success rates than human experts.
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