{
  "title": "Claude’s share of measured model R&D",
  "period": "February-August 2026",
  "compiled_on": "2026-10-07",
  "scope": "Selected figures compiled for an unpublished report preview; not a full underlying dataset",
  "methodology": "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.",
  "rows": [
    {
      "Period": "February 2026",
      "Share led by Claude": "Under 1%",
      "source_url": "https://www.anthropic.com/institute/measuring-pace-of-ai-development",
      "source_period": "February-August 2026",
      "verification": "Retained from the launch essay"
    },
    {
      "Period": "August 2026",
      "Share led by Claude": "26%",
      "source_url": "https://www.anthropic.com/institute/measuring-pace-of-ai-development",
      "source_period": "February-August 2026",
      "verification": "Retained from the launch essay"
    }
  ]
}