{
  "dataset": "usage-purposes",
  "title": "Shares of use by topic",
  "index": "AI Usage Disclosure Index",
  "url": "https://aisafetytracker.org/usage/",
  "citation": "AI Safety Tracker, \"AI Usage Disclosure Index\". https://aisafetytracker.org/usage/. Retrieved 23 October 2026.",
  "licences": [
    {
      "source": "usage-disclosure-index",
      "name": "AI Usage Disclosure Index",
      "publisher": "This site",
      "licence": "MIT",
      "licence_url": "https://opensource.org/licenses/MIT",
      "attribution": "AI Safety Tracker, \"AI Usage Disclosure Index\". Licensed MIT."
    }
  ],
  "generated": "2026-10-23T13:22:31+00:00",
  "retrieved": "2026-10-23T00:00:00+00:00",
  "unit": "share of the stated unit",
  "notes": "Shares of use by topic or task as each study states them, reviewed 2026-10-23. Units differ between studies: messages, conversations and API transcripts are not the same thing and none of them is a token.",
  "count": 14,
  "records": [
    {
      "product": "ChatGPT",
      "company": "OpenAI",
      "unit": "consumer messages",
      "period": "2025-06",
      "category": "Practical guidance",
      "kind": "topic",
      "share": 0.29,
      "approx": true,
      "display": "about 29%",
      "publisher": "Chatterji and others, How People Use ChatGPT, NBER working paper 34255",
      "url": "https://www.nber.org/papers/w34255",
      "reviewed": "2026-10-23",
      "source_id": "usage-disclosure-index"
    },
    {
      "product": "ChatGPT",
      "company": "OpenAI",
      "unit": "consumer messages",
      "period": "2025-06",
      "category": "Seeking information",
      "kind": "topic",
      "share": 0.24,
      "approx": true,
      "display": "about 24%",
      "publisher": "Chatterji and others, How People Use ChatGPT, NBER working paper 34255",
      "url": "https://www.nber.org/papers/w34255",
      "reviewed": "2026-10-23",
      "source_id": "usage-disclosure-index"
    },
    {
      "product": "ChatGPT",
      "company": "OpenAI",
      "unit": "consumer messages",
      "period": "2025-06",
      "category": "Writing",
      "kind": "topic",
      "share": 0.24,
      "approx": true,
      "display": "about 24%",
      "publisher": "Chatterji and others, How People Use ChatGPT, NBER working paper 34255",
      "url": "https://www.nber.org/papers/w34255",
      "reviewed": "2026-10-23",
      "source_id": "usage-disclosure-index"
    },
    {
      "product": "ChatGPT",
      "company": "OpenAI",
      "unit": "consumer messages",
      "period": "2025-06",
      "category": "Computer programming",
      "kind": "coding",
      "share": 0.042,
      "approx": false,
      "display": "4.2%",
      "publisher": "Chatterji and others, How People Use ChatGPT, NBER working paper 34255",
      "url": "https://www.nber.org/papers/w34255",
      "reviewed": "2026-10-23",
      "source_id": "usage-disclosure-index"
    },
    {
      "product": "ChatGPT",
      "company": "OpenAI",
      "unit": "consumer messages",
      "period": "2025-06",
      "category": "Relationships and personal reflection",
      "kind": "topic",
      "share": 0.019,
      "approx": false,
      "display": "1.9%",
      "publisher": "Chatterji and others, How People Use ChatGPT, NBER working paper 34255",
      "url": "https://www.nber.org/papers/w34255",
      "reviewed": "2026-10-23",
      "source_id": "usage-disclosure-index"
    },
    {
      "product": "ChatGPT",
      "company": "OpenAI",
      "unit": "consumer messages",
      "period": "2025-06",
      "category": "Games and role-play",
      "kind": "topic",
      "share": 0.004,
      "approx": false,
      "display": "0.4%",
      "publisher": "Chatterji and others, How People Use ChatGPT, NBER working paper 34255",
      "url": "https://www.nber.org/papers/w34255",
      "reviewed": "2026-10-23",
      "source_id": "usage-disclosure-index"
    },
    {
      "product": "ChatGPT",
      "company": "OpenAI",
      "unit": "consumer messages",
      "period": "2025-06",
      "category": "Not related to work",
      "kind": "work",
      "share": 0.73,
      "approx": false,
      "display": "73%",
      "publisher": "Chatterji and others, How People Use ChatGPT, NBER working paper 34255",
      "url": "https://www.nber.org/papers/w34255",
      "reviewed": "2026-10-23",
      "source_id": "usage-disclosure-index"
    },
    {
      "product": "ChatGPT",
      "company": "OpenAI",
      "unit": "work-related consumer messages",
      "period": "2025-06",
      "category": "Writing",
      "kind": "topic",
      "share": 0.4,
      "approx": true,
      "display": "about 40%",
      "publisher": "Chatterji and others, How People Use ChatGPT, NBER working paper 34255",
      "url": "https://www.nber.org/papers/w34255",
      "reviewed": "2026-10-23",
      "source_id": "usage-disclosure-index"
    },
    {
      "product": "Claude.ai",
      "company": "Anthropic",
      "unit": "conversations",
      "period": "2026-02",
      "category": "Computer and mathematical tasks",
      "kind": "coding",
      "share": 0.35,
      "approx": false,
      "display": "35%",
      "publisher": "Anthropic Economic Index, March 2026 report",
      "url": "https://www.anthropic.com/research/economic-index-march-2026-report",
      "reviewed": "2026-10-23",
      "source_id": "usage-disclosure-index"
    },
    {
      "product": "Claude.ai",
      "company": "Anthropic",
      "unit": "conversations",
      "period": "2026-02",
      "category": "Personal use",
      "kind": "work",
      "share": 0.42,
      "approx": false,
      "display": "42%",
      "publisher": "Anthropic Economic Index, March 2026 report",
      "url": "https://www.anthropic.com/research/economic-index-march-2026-report",
      "reviewed": "2026-10-23",
      "source_id": "usage-disclosure-index"
    },
    {
      "product": "Claude.ai",
      "company": "Anthropic",
      "unit": "conversations",
      "period": "2026-02",
      "category": "Coursework",
      "kind": "topic",
      "share": 0.12,
      "approx": false,
      "display": "12%",
      "publisher": "Anthropic Economic Index, March 2026 report",
      "url": "https://www.anthropic.com/research/economic-index-march-2026-report",
      "reviewed": "2026-10-23",
      "source_id": "usage-disclosure-index"
    },
    {
      "product": "Claude API",
      "company": "Anthropic",
      "unit": "transcripts",
      "period": "2025-08",
      "category": "Computer and mathematical tasks",
      "kind": "coding",
      "share": null,
      "approx": true,
      "display": "just under half",
      "publisher": "Anthropic Economic Index, September 2025 report",
      "url": "https://www.anthropic.com/research/anthropic-economic-index-september-2025-report",
      "reviewed": "2026-10-23",
      "source_id": "usage-disclosure-index"
    },
    {
      "product": "Claude API",
      "company": "Anthropic",
      "unit": "transcripts",
      "period": "2025-08",
      "category": "Office and administrative tasks",
      "kind": "topic",
      "share": 0.1,
      "approx": true,
      "display": "about 10%",
      "publisher": "Anthropic Economic Index, September 2025 report",
      "url": "https://www.anthropic.com/research/anthropic-economic-index-september-2025-report",
      "reviewed": "2026-10-23",
      "source_id": "usage-disclosure-index"
    },
    {
      "product": "Claude API",
      "company": "Anthropic",
      "unit": "transcripts",
      "period": "2025-08",
      "category": "Automation patterns",
      "kind": "mode",
      "share": 0.77,
      "approx": false,
      "display": "77%",
      "publisher": "Anthropic Economic Index, September 2025 report",
      "url": "https://www.anthropic.com/research/anthropic-economic-index-september-2025-report",
      "reviewed": "2026-10-23",
      "source_id": "usage-disclosure-index"
    }
  ]
}