OpenAI gives gpt-5.1 six months' notice, after 20 days for gpt-5.4-cyber

T2Covered by 1 source · first reported by UploadVR / Road to VR / MIXED at 03 Oct, 11:43 UTC

OpenAI has put a shutdown date on three of its API models, with the full notice period its own policy promises. gpt-5.1, gpt-5.3-codex and gpt-5.4-nano "will be removed from the API on April 1, 2027, with six months' notice", OpenAI says in a deprecation notice dated October 1, 2026, three weeks…

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Sources

• T2OpenAI gives gpt-5.1 six months' notice, after 20 days for gpt-5.4-cyberUploadVR / Road to VR / MIXED03 Oct, 11:43