C
ChatGPT Plus の解約方法
最終更新日：2026年3月15日
ChatGPT Plus cancellation is simple and immediate. You revert to the free tier with limited GPT-4 access. All your conversation history is preserved.
ChatGPT Plus を直接解約
公式の解約ページを開きます
ステップバイステップの手順
Website
おすすめ- 1
Go to chat.openai.com and sign in
- 2
Click your name in the bottom-left corner
- 3
Select 'My plan' or 'Settings'
- 4
Click 'Manage my subscription'
- 5
Click 'Cancel plan' and confirm
知っておくと便利
- •All conversation history is preserved on the free plan.
- •You lose priority access during peak times.
- •GPT-4 access becomes limited on the free tier.
- •Consider the free tier if you use ChatGPT infrequently.
よくある質問
Do I keep my conversations?
Yes. All your conversation history is preserved when you downgrade to the free plan.
Can I still use GPT-4?
The free plan offers limited GPT-4 access. For heavy use, you'd need Plus.