{
  "source": "https://epoch.ai/data/eci_scores.csv",
  "source_page": "https://epoch.ai/eci",
  "methodology": "https://epoch.ai/data/eci-documentation/methodology",
  "faq": "https://epoch.ai/data/eci-documentation/faq",
  "checked_at": "2026-09-21T08:31:51.339894+00:00",
  "retrieved_at": "2026-09-21",
  "source_updated_at": null,
  "latest_model_release": "2026-09-03",
  "sha256": "24f1f27602847d0caba3f73cb2a03c0e5222c12511fd1c55db932e4b221a5830",
  "evidence_hashes": {
    "source.csv": "24f1f27602847d0caba3f73cb2a03c0e5222c12511fd1c55db932e4b221a5830",
    "source-page.html": "64d61f2e281d15ddf54e50a7c54ce26337070d052de95340652ddc69624191b3",
    "methodology.html": "3fc8c7b2f364e16af1b89499288ca99684fd77ff743c00c3e3ab70a603fb360c",
    "faq.html": "e5ab1446ee0e017b047e6c07c7e21d5cfb6e3554337dc42bbd25cf5011674060"
  },
  "units": "Epoch Capabilities Index points",
  "interval": "90% bootstrap confidence interval",
  "selection": "Current-snapshot record scores by model release date; highest score first within each date; plot records from 2024 onward.",
  "interpretation": "A reconstructed frontier of current estimates, not archived scores known at each date. Scores are jointly refitted and can change. ECI is not a percentage, IQ, work duration or probability of the AI 2027 scenario.",
  "attribution": "Epoch AI, Epoch Capabilities Index. Data reused under CC BY.",
  "license": "https://creativecommons.org/licenses/by/4.0/"
}