OpenAI's X account appears to retire GPT-5.5, teasing GPT-6 Astra
borowcy · reddit · 2026-09-16
A Reddit user spotted the official ChatGPT X account posting that OpenAI is "retiring GPT-5.5" and suggesting users "switch to GPT-6 Astra", hinting a new flagship model is imminent. The message is unverified beyond this post, so treat as a rumor for now.
Related event: OpenAI to Retire GPT-5.5 on October 14, Points Users to GPT-6 Astra(2 posts)→
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