OpenAI常进行早期隐秘测试，你可能已能用上GPT-5.6
Early stealth test flights are more common in this industry than most people realize. OpenAI has always done it. You may have access to GPT-5.6 right now.
If you're wondering how people on your timeline seem to have access to GPT-5.6 Pro, it's now being stealth tested when 5.5 Pro is selected in ChatGPT (*at least for some Pro accounts)!
I have also been told next Thursday is the planned launch date for 5.6