{
 "title": "Companies across every dataset",
 "csv": "https://jesseahawkins.com/companies.csv",
 "page": "https://jesseahawkins.com/data/releases/companies/",
 "matchedBy": "The fewest leading columns, at most four, whose values are unique in both releases; whole rows when none are.",
 "releases": [
  {
   "id": "2026-10-16",
   "date": "2026-10-16",
   "checked": "2026-10-16",
   "csv": "https://jesseahawkins.com/data/releases/companies/2026-10-16.csv",
   "sha256": "fef642dc41875113bfe686eca26e0089edfadab16d5612a297f68f2424964aad",
   "bytes": 4599,
   "rowCount": 18,
   "change": null
  },
  {
   "id": "2026-10-22",
   "date": "2026-10-22",
   "checked": "2026-10-22",
   "csv": "https://jesseahawkins.com/data/releases/companies/2026-10-22.csv",
   "sha256": "cbc4472332778a28fb84d5ae9265920e666ad8dffa810b6b68a2f60c5ff5c8f9",
   "bytes": 4599,
   "rowCount": 18,
   "change": {
    "key": [
     "company"
    ],
    "fieldsAdded": [],
    "fieldsRemoved": [],
    "rowsAdded": 0,
    "rowsRemoved": 0,
    "rowsChanged": 2,
    "addedKeys": [],
    "removedKeys": [],
    "changedRows": [
     {
      "key": "Google",
      "fields": [
       "frontier_days_at_top"
      ]
     },
     {
      "key": "Anthropic",
      "fields": [
       "frontier_days_at_top"
      ]
     }
    ]
   }
  },
  {
   "id": "2026-10-22-2",
   "date": "2026-10-22",
   "checked": "2026-10-22",
   "csv": "https://jesseahawkins.com/data/releases/companies/2026-10-22-2.csv",
   "sha256": "5b8e95c16e9c0c56ac937064bf189f8e97f646b58da5698899adcc0199b9e7cf",
   "bytes": 4705,
   "rowCount": 18,
   "change": {
    "key": [
     "company"
    ],
    "fieldsAdded": [
     "owned_h100e_now"
    ],
    "fieldsRemoved": [],
    "rowsAdded": 0,
    "rowsRemoved": 0,
    "rowsChanged": 2,
    "addedKeys": [],
    "removedKeys": [],
    "changedRows": [
     {
      "key": "Amazon",
      "fields": [
       "owned_mw_now"
      ]
     },
     {
      "key": "CoreWeave",
      "fields": [
       "owned_mw_now",
       "owned_mw_peak"
      ]
     }
    ]
   }
  },
  {
   "id": "2026-10-30",
   "date": "2026-10-30",
   "checked": "2026-10-30",
   "csv": "https://jesseahawkins.com/data/releases/companies/2026-10-30.csv",
   "sha256": "cbcf193d058c781d99128ea2d76825e84a23079eaa6b040a8d61e373dbc43f9b",
   "bytes": 4705,
   "rowCount": 18,
   "change": {
    "key": [
     "company"
    ],
    "fieldsAdded": [],
    "fieldsRemoved": [],
    "rowsAdded": 0,
    "rowsRemoved": 0,
    "rowsChanged": 3,
    "addedKeys": [],
    "removedKeys": [],
    "changedRows": [
     {
      "key": "Google",
      "fields": [
       "frontier_models",
       "frontier_days_at_top"
      ]
     },
     {
      "key": "OpenAI",
      "fields": [
       "frontier_days_at_top"
      ]
     },
     {
      "key": "Anthropic",
      "fields": [
       "frontier_days_at_top"
      ]
     }
    ]
   }
  }
 ]
}
