Jun 2026 AI share ranking
A monthly report of AI chatbot market share and usage worldwide and in Japan as of Jun 2026, with month-over-month change and fastest risers/fallers.
A. The bottom line for Jun 2026
Worldwide #1 is ChatGPT (about 77.6%).The fastest riser is Claude (MoM +0.76pt).
Worldwide share (Jun 2026)
| # | AI tool | Worldwide share | Share ratio | MoM | Trend |
|---|---|---|---|---|---|
| 1 | ChatGPT OpenAI | 77.61% | ▼1.45 | ||
| 2 | Perplexity Perplexity AI | 7.89% | ▲0.22 | ||
| 3 | Google Gemini | 6.97% | ▼0.06 | ||
| 4 | Microsoft Copilot Microsoft | 3.75% | ▲0.51 | ||
| 5 | Claude Anthropic | 3.75% | ▲0.76 | ||
| 6 | DeepSeek DeepSeek | 0.02% | ▲0.01 |
▲ Gained share
Claude▲0.76
Microsoft Copilot▲0.51
Perplexity▲0.22
▼ Lost share
ChatGPT▼1.45
Google Gemini▼0.06
DeepSeek▲0.01
Worldwide share history through Jun 2026
Japan share (Jun 2026)
| # | AI tool | Japan share | Share ratio | MoM |
|---|---|---|---|---|
| 1 | ChatGPT OpenAI | 70.29% | ▲4.08 | |
| 2 | Google Gemini | 12.19% | ▼4.64 | |
| 3 | Microsoft Copilot Microsoft | 11.46% | ▲1.46 | |
| 4 | Claude Anthropic | 3.50% | ▼0.16 | |
| 5 | Perplexity Perplexity AI | 2.55% | ▼0.64 | |
| 6 | DeepSeek DeepSeek | 0.00% | ▼0.11 |
Source: StatCounter Global Stats (AI Chatbot Market Share) ／ Captured: 2026-06-03 ／ reference value
Frequently asked questions
Which AI had the highest share in Jun 2026?
ChatGPT, with a worldwide market share of about 77.6% (StatCounter).
Which AI gained the most in Jun 2026?
Claude gained the most, at MoM +0.76pt.
⚠ 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.