ChatGPT
OpenAI ・ Released 2022-11
ChatGPT is OpenAI's generative-AI chat. It covers writing, summarizing, coding, image generation, voice chat and web search, and holds the largest share in the global AI-usage rankings.
A. ChatGPT data highlights (Jun 2026)
Worldwide market share is about 77.6% (#1). Popularity score is 77.1. Has a free plan. Japanese supported.
77.6%Worldwide share
#1Share rank
77.1Popularity score
YesFree plan
ChatGPT share history (usage trend)
Source: StatCounter Global Stats（AI Chatbot Market Share） ／ Captured: 2026-06-03 ／ reference value
ChatGPT key features
| Feature | Support |
|---|---|
| Japanese support | ○ Yes |
| Image input | ○ Yes |
| Image generation | ○ Yes |
| Voice chat | ○ Yes |
| File reading | ○ Yes |
| Web search | ○ Yes |
| Code generation | ○ Yes |
| API | ○ Yes |
| Mobile app | ○ Yes |
ChatGPT pricing
Pricing details →| Plan | Monthly (USD) | Notes |
|---|---|---|
| FreeFree | $0 | — |
| Go | $8 | — |
| Plus | $20 | — |
| Pro | $200 | — |
Source: OpenAI official pricing ／ Captured: 2026-06 ／ Reference values — check the official site for the latest
Who ChatGPT suits & what it's good at
- Strong for AI chat use cases
- Strong for Writing use cases
- Strong for Coding use cases
- Strong for AI search use cases
- People who value working in Japanese
- People who want to try it free first
- People who want to use it for coding & development
- People who want it for searching up-to-date information
ChatGPT vs other AIs
Related data
ChatGPT frequently asked questions
What is ChatGPT's share / usage?
In worldwide AI-chatbot market share for Jun 2026, ChatGPT is about 77.6% (#1, StatCounter, reference value).
Is ChatGPT free to use?
Yes. ChatGPT has a free plan. To use it more, you can choose a paid plan (cheapest from $8/month).
Does ChatGPT support Japanese?
Yes, ChatGPT supports Japanese.
⚠ 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.