Unverified50% confidenceFactExact time
According to OpenAI's official help documentation, upgrading from the free tier to ChatGPT Pro must be completed on the web client.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
8/16/2026
First Seen
Valid until: 11/14/2026
Sources
国内订阅ChatGPT Pro完整指南：无信用卡也能用微信支付搞定
bilibili大山老师讲Ai7/20/2026
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