Jan 2026 AI share ranking
A monthly report of AI chatbot market share and usage worldwide and in Japan as of Jan 2026, with month-over-month change and fastest risers/fallers.
A. The bottom line for Jan 2026
Worldwide #1 is ChatGPT (about 80.5%).The fastest riser is Google Gemini (MoM +2.46pt).
Worldwide share (Jan 2026)
| # | AI tool | Worldwide share | Share ratio | MoM | Trend |
|---|---|---|---|---|---|
| 1 | ChatGPT OpenAI | 80.52% | ▲0.77 | ||
| 2 | Perplexity Perplexity AI | 7.87% | ▼2.96 | ||
| 3 | Google Gemini | 7.19% | ▲2.46 | ||
| 4 | Microsoft Copilot Microsoft | 3.49% | ▼0.11 | ||
| 5 | Claude Anthropic | 0.92% | ▼0.15 | ||
| 6 | DeepSeek DeepSeek | 0.01% | ▼0.01 |
▲ Gained share
Google Gemini▲2.46
ChatGPT▲0.77
DeepSeek▼0.01
▼ Lost share
Perplexity▼2.96
Claude▼0.15
Microsoft Copilot▼0.11
Worldwide share history through Jan 2026
Japan share (Jan 2026)
| # | AI tool | Japan share | Share ratio | MoM |
|---|---|---|---|---|
| 1 | ChatGPT OpenAI | 70.17% | ▼3.74 | |
| 2 | Google Gemini | 16.89% | ▲5.58 | |
| 3 | Microsoft Copilot Microsoft | 6.59% | ▼0.23 | |
| 4 | Perplexity Perplexity AI | 5.33% | ▼1.42 | |
| 5 | Claude Anthropic | 1.01% | ▼0.16 | |
| 6 | DeepSeek DeepSeek | 0.00% | ▼0.03 |
Source: StatCounter Global Stats (AI Chatbot Market Share) ／ Captured: 2026-06-03 ／ reference value
Frequently asked questions
Which AI had the highest share in Jan 2026?
ChatGPT, with a worldwide market share of about 80.5% (StatCounter).
Which AI gained the most in Jan 2026?
Google Gemini gained the most, at MoM +2.46pt.
⚠ 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.