ChatGPT
OpenAI
The world's most widely used conversational AI for Q&A, writing, summarization, and ideation.
Platforms
Overview
ChatGPT is a conversational AI built on OpenAI's large language models. Beyond natural Q&A, it supports writing, summarization, translation, coding assistance, and brainstorming — a versatile assistant for both personal and business use.
Pricing
Free
Free
- Unlimited text chats with GPT-5.6 Luna
- Limited uploads, image generation, and voice
- Limited deep research, memory, and Codex
Last verified: September 2026
Go
¥1,400/ month
- Everything in Free, plus:
- More messages and uploads
- More image creation and voice chats
- May include ads
Last verified: September 2026
Plus
¥3,000/ month
- Advanced reasoning with GPT-6 Astra & GPT-5.6
- Expanded messages and uploads
- Projects, scheduled tasks, and custom GPTs
- Early access to new features
Last verified: September 2026
Pro
¥16,800/ month
- 5x more usage than Plus (from ¥16,800)
- 20x tier at ¥30,000/month
- Pro reasoning powered by GPT-6 Astra
- Unlimited, faster image creation
Last verified: September 2026
Screenshots
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