Nov 2025 AI share ranking
A monthly report of AI chatbot market share and usage worldwide and in Japan as of Nov 2025, with month-over-month change and fastest risers/fallers.
A. The bottom line for Nov 2025
Worldwide #1 is ChatGPT (about 81.8%).
Worldwide share (Nov 2025)
| # | AI tool | Worldwide share | Share ratio | MoM | Trend |
|---|---|---|---|---|---|
| 1 | ChatGPT OpenAI | 81.85% | — | ||
| 2 | Perplexity Perplexity AI | 11.06% | — | ||
| 3 | Microsoft Copilot Microsoft | 3.05% | — | ||
| 4 | Google Gemini | 2.97% | — | ||
| 5 | Claude Anthropic | 1.06% | — | ||
| 6 | DeepSeek DeepSeek | 0.01% | — |
▲ Gained share
▼ Lost share
Worldwide share history through Nov 2025
Japan share (Nov 2025)
| # | AI tool | Japan share | Share ratio | MoM |
|---|---|---|---|---|
| 1 | ChatGPT OpenAI | 83.17% | — | |
| 2 | Perplexity Perplexity AI | 6.04% | — | |
| 3 | Google Gemini | 4.86% | — | |
| 4 | Microsoft Copilot Microsoft | 4.59% | — | |
| 5 | Claude Anthropic | 1.34% | — | |
| 6 | DeepSeek DeepSeek | 0.00% | — |
Source: StatCounter Global Stats (AI Chatbot Market Share) ／ Captured: 2026-06-03 ／ reference value
Frequently asked questions
Which AI had the highest share in Nov 2025?
ChatGPT, with a worldwide market share of about 81.8% (StatCounter).
Which AI gained the most in Nov 2025?
Calculated for periods that have month-over-month data.
⚠ These rankings are reference values based on public market-share data, web-traffic estimates and editorial research, and do not represent a complete count of every user of each AI tool. Rankings change with the measurement method (web-visit share vs. market share, etc.). Always check each official site for the latest information.