ChatGPT

OpenAI · Released 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 (Oct 2026)
Worldwide market share is about 68.4% (#1). Popularity score is 63.1. Has a free plan. Japanese supported.
68.4%Worldwide share
#1Share rank
63.1Popularity score
YesFree plan

ChatGPT share history (usage trend)

0255075100NovDecJanFebMarAprMayJunJulAugSepOct68.38%49.65%
Worldwide shareJapan share

Source: StatCounter Global Stats(AI Chatbot Market Share) / Captured: 2026-10 (provisional) / reference 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 100$100Smallest of the three Pro usage tiers
Pro 200$200Middle Pro usage tier
Pro 500$500Top tier (includes Ultrafast)

Source: OpenAI official pricing / Captured: 2026-10-17 / 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 Oct 2026, ChatGPT is about 68.4% (#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.