ChatGPT has more than 800 million weekly users (OpenAI, Oct. 2025)
Verified Confidence: medium
Primary source found; it says the same thing, the scope matches, and it is reasonably current.
- Commonly cited as
- "How many people use ChatGPT?" / "ChatGPT has 800M weekly users"
- True origin
- OpenAI (Sam Altman, DevDay keynote) — OpenAI DevDay 2025 (Oct. 6, 2025)
- Type
- Reference fact: A frequently needed number or rule taken directly from a primary source (e.g. Pew, Census, IAB/PwC, FTC), with its as-of date.
- Year
- 2025
- Data as of
- Stated Oct. 6, 2025
- Last checked
- What the source says
800M+ weekly ChatGPT users
- Method & sample
- Company-reported weekly active users; OpenAI does not publish its counting method.
- Drift between quote and source
- Date: an October 2025 figure; OpenAI may have reported newer numbers since
- Definition: weekly active users, not unique people
- Interest
- OpenAI sells ChatGPT subscriptions and API access.
Safe rephrasing
OpenAI said at DevDay on Oct. 6, 2025 that ChatGPT had more than 800 million weekly users; this is self-reported.
Sources we opened
Machine-readable: /api/claims/chatgpt-800-million-weekly-users.json · Last checked 2026-10-16