Apr 2026 AI share ranking
A monthly report of AI chatbot market share and usage worldwide and in Japan as of Apr 2026, with month-over-month change and fastest risers/fallers.
Worldwide share (Apr 2026)
| # | AI tool | Worldwide share | Share ratio | MoM | Trend |
|---|---|---|---|---|---|
| 1 | ChatGPT OpenAI | 76.86% | ▼1.31 | ||
| 2 | Google Gemini | 8.99% | ▲0.35 | ||
| 3 | Perplexity Perplexity AI | 7.73% | ▲0.66 | ||
| 4 | Microsoft Copilot Microsoft | 3.75% | ▲0.56 | ||
| 5 | Claude Anthropic | 2.66% | ▼0.25 | ||
| 6 | DeepSeek DeepSeek | 0.01% | ▼0.01 |
Worldwide share history through Apr 2026
Japan share (Apr 2026)
| # | AI tool | Japan share | Share ratio | MoM |
|---|---|---|---|---|
| 1 | ChatGPT OpenAI | 58.86% | ▼4.29 | |
| 2 | Google Gemini | 21.18% | ▲0.65 | |
| 3 | Microsoft Copilot Microsoft | 12.12% | ▲5.07 | |
| 4 | Perplexity Perplexity AI | 4.32% | ▼1.00 | |
| 5 | Claude Anthropic | 3.52% | ▼0.36 | |
| 6 | DeepSeek DeepSeek | 0.01% | ▼0.05 |
Source: StatCounter Global Stats (AI Chatbot Market Share) ／ Captured: 2026-04 ／ reference value
#1 and #2 by region in Apr 2026
The leading and second AI in each major region other than the world and Japan that month, and the share gap between them.
| Region | #1 | #2 | Gap #1–#2 |
|---|---|---|---|
| United States | ChatGPT 61.7% | Google Gemini 13.5% | 48.3 pt |
| United Kingdom | ChatGPT 65.5% | Microsoft Copilot 13.3% | 52.2 pt |
| Germany | ChatGPT 67.8% | Perplexity 10.7% | 57.1 pt |
| South Korea | ChatGPT 56.3% | Google Gemini 25.1% | 31.1 pt |
| India | ChatGPT 69.8% | Google Gemini 15.3% | 54.5 pt |
AI price changes in Apr 2026
New plans, price increases and cuts, and discontinued plans announced by major AI tools this month (US prices in USD).
| Date | Plan | Change | Monthly | Source |
|---|---|---|---|---|
| Apr 9, 2026 | ChatGPT Pro ($100) | New plan | $100 | Source |
Only changes confirmed by an official announcement or major tech-press reporting are listed (checked 2026-10-17). Changes that did not affect the price, such as usage limits, are not included.
Frequently asked questions
Which AI had the highest share in Apr 2026?
Which AI gained the most in Apr 2026?
In which regions was an AI other than ChatGPT #1 in Apr 2026?
⚠ 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.