LLM adoption.
User growth across six AI platforms. ChatGPT reports weekly active users; the rest report monthly. Meta AI counts include users across WhatsApp, Instagram, and Messenger.
ChatGPT numbers are weekly active users (WAU). All others are monthly active users (MAU). Meta AI users are embedded in existing Meta apps, not a standalone product. DeepSeek numbers are third-party estimates.
The data
Meta AI
Monthly active users — embedded in WhatsApp, Instagram, Facebook, Messenger
Apr 2024
Launch
Meta (Llama 3 relaunch across apps)
Sep 2024
~500M MAU
Mark Zuckerberg, Meta Connect
Dec 2024
~600M MAU
Zuckerberg / Engadget, Dec 2024
Jan 2025
700M MAU
Susan Li, Q4 2024 earnings / CNBC
Apr 2025
~1B MAU
Q1 2025 earnings call / CNBC
May 2025
1B+ MAU
Zuckerberg / TechCrunch, May 2025
ChatGPT
Weekly active users
Nov 2022
Launch
OpenAI
Jan 2023
100M signups
UBS, Jan 2023
Nov 2023
100M WAU
OpenAI DevDay, Nov 2023
Aug 2024
200M WAU
OpenAI, Aug 2024
Oct 2024
250M WAU
The Information / Axios, Oct 2024
Dec 2024
300M WAU
OpenAI, Dec 2024
Feb 2025
400M WAU
OpenAI / CNBC, Feb 2025
Mar 2025
500M WAU
TechCrunch, Mar 2025
Aug 2025
700M WAU
TechCrunch, Aug 2025
Oct 2025
800M WAU
Sam Altman, OpenAI Dev Day
Feb 2026
900M WAU
Sacra / OpenAI, Feb 2026
Google Gemini
Monthly active users
Oct 2024
90M MAU
Google (DOJ antitrust hearing)
Mar 2025
350M MAU
The Information / TechCrunch, Apr 2025
May 2025
400M MAU
Sundar Pichai, Google I/O
Jul 2025
450M MAU
Google Q2 earnings
Oct 2025
650M MAU
Google Q3 earnings / 9to5Google
Feb 2026
750M MAU
Alphabet Q4 2025 earnings
Microsoft Copilot
Monthly active users (commercial + consumer combined)
Jul 2025
100M MAU
Satya Nadella, Q4 FY2025 earnings
Jan 2026
150M MAU
Microsoft / TechCrunch, Jan 2026
DeepSeek
Monthly active users (third-party estimates)
Feb 2025
62M MAU
Sensor Tower / Business of Apps
May 2025
~125M MAU
DemandSage / third-party tracking
Dec 2025
~130M MAU
Business of Apps, end of 2025
Perplexity
Monthly active users
Jan 2024
10M MAU
Perplexity disclosure, 2024
Dec 2024
~15M MAU
DemandSage, end of 2024
Apr 2025
30M MAU
CEO Aravind Srinivas, Bloomberg Tech Summit
Sources
- OpenAI — official announcements and press releases, 2022–2026
- UBS — "ChatGPT fastest to 100M users" analysis, January 2023
- The Information / Axios — ChatGPT 250M WAU, October 2024
- CNBC / Brad Lightcap (OpenAI COO) — interview, February 2025
- TechCrunch — ChatGPT 500M WAU, March 2025
- Sam Altman — OpenAI Dev Day, October 2025
- Sacra — OpenAI user and revenue analysis, February 2026
- Meta — Llama 3 launch blog post, April 2024
- Mark Zuckerberg — Meta Connect (Sep 2024), Llama 3.3 launch (Dec 2024)
- Susan Li (Meta CFO) — Q4 2024 earnings call, January 2025 / CNBC
- CNBC — Meta Q1 2025 earnings, Meta AI "nearly 1 billion" users, April 2025
- TechCrunch / CNBC — Meta AI 1B+ users confirmed, May 2025
- TechCrunch — Google Gemini user numbers from DOJ antitrust hearing, April 2025
- Sundar Pichai — Google I/O, May 2025
- Alphabet — Q2, Q3, Q4 2025 earnings calls
- 9to5Google — Gemini 650M users, October 2025
- Microsoft — FY2025 Q4 earnings / Annual Report, Satya Nadella statement
- TechCrunch — Microsoft Copilot 150M MAU, January 2026
- Sensor Tower / Business of Apps / DemandSage — DeepSeek user estimates, 2025
- Aravind Srinivas (Perplexity CEO) — Bloomberg Tech Summit, April 2025
- DemandSage — Perplexity ~15M MAU estimate, end of 2024