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Claude’s share of measured model R&D

Selected evidence from the State of AI Report 2026, with the period, source, and definitions needed to interpret it.

Evidence you can use

Claude’s share of measured model R&D

February-August 2026

Claude’s share of measured model R&D
PeriodShare led by Claude
February 2026SourceUnder 1%
August 2026Source26%

Anthropic’s internal index measures work inside one lab, under human supervision. It does not measure the share of all AI research automated or establish that AI can run a research agenda on its own.

Sources: Anthropic: measuring the pace of AI development.

Sources and dates

2026 report snapshot. Preview revised 2026-10-07. Individual data periods and source checks are listed below. This is not a claim that every source was updated on that date.

  1. Anthropic: measuring the pace of AI developmentFebruary-August 2026. Retained from the launch essay.
  2. Anthropic: recursive self-improvement2026. Retained from the launch essay.
  3. Karpathy: autoresearchRepository, changing over time. Retained from the launch essay.
  4. Nathan Benaich: Can AI learn scientific taste?2026. Author analysis.
  5. State of AI Report 2026, slide 6: Chinese open-weight models overtook American ones in AI research papers in 20262026 report snapshot. Read against the report PDF on 2026-10-07. Study-specific limits retained.
  6. State of AI Report 2026, slide 17: Can agents produce a top-tier research paper? No, but they can do its engineering.2026 report snapshot. Read against the report PDF on 2026-10-07. Study-specific limits retained.
  7. State of AI Report 2026, slide 23: As task benchmarks saturate, RSI evidence is moving inside the labs2026 report snapshot. Read against the report PDF on 2026-10-07. Study-specific limits retained.
  8. State of AI Report 2026, slide 36: But who benchmarks the benchmarks?2026 report snapshot. Read against the report PDF on 2026-10-07. Study-specific limits retained.
  9. State of AI Report 2026, slide 41: Long-horizon coding rankings change with the task and the evaluation budget2026 report snapshot. Read against the report PDF on 2026-10-07. Study-specific limits retained.
  10. State of AI Report 2026, slide 42: High scores can hide unfinished scientific analyses and desk work2026 report snapshot. Read against the report PDF on 2026-10-07. Study-specific limits retained.
  11. State of AI Report 2026, slide 43: METR needs harder tasks to reliably measure the strongest models2026 report snapshot. Read against the report PDF on 2026-10-07. Study-specific limits retained.
  12. State of AI Report 2026, slide 48: Generative video goes real time and lets a streamer steer it!2026 report snapshot. Read against the report PDF on 2026-10-07. Study-specific limits retained.
  13. State of AI Report 2026, slide 105: AI in education: the best tutor is not a helpful assistant2026 report snapshot. Read against the report PDF on 2026-10-07. Study-specific limits retained.
  14. State of AI Report 20262026 report snapshot. Report PDF. See individual slide references for the expanded analysis.

Cite this page

Benaich, Nathan. “Claude’s share of measured model R&D.” State of AI Report 2026. Published 2026-10-08.

Read the analysis: Is AI already helping researchers build better models?