ChatGPT

OpenAIReleased 2022-11
Official site

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 (Sep 2026)
Worldwide market share is about 80.1% (#1). Popularity score is 82.2. Has a free plan. Japanese supported.
80.1%Worldwide share
#1Share rank
82.2Popularity score
YesFree plan

ChatGPT share history (usage trend)

025507510011月12月1月2月3月4月5月6月7月8月9月80.08%67.44%
Worldwide shareJapan share

Source: StatCounter Global Stats(AI Chatbot Market Share) Captured: 2026-09provisionalreference value
The current month is a provisional, month-to-date figure. Month-over-month change and risers/fallers are based on the latest completed month.

ChatGPT key features

FeatureSupport
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 →
PlanMonthly (USD)Notes
FreeFree$0
Go$8Low-cost plan launched 2026-01
Plus$20The most popular individual plan
Pro$200Top-tier individual plan

Source: OpenAI official pricing Captured: 2026-09provisionalReference values — check the official site for the latest
The current month is a provisional, month-to-date figure. Month-over-month change and risers/fallers are based on the latest completed month.

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 Sep 2026, ChatGPT is about 80.1% (#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.

ChatGPT share, usage, pricing & comparison 2026