When will GPT-5.1 be retired?

No retirement date announced. Microsoft has not scheduled a shutdown for GPT-5.1.

GPT-5.1

Microsoft · gpt-5.1

● Healthy

Released2025-11-14

Retiresno announced date

gpttext+image+audio400k context128k max out$1.25 / $10 per 1M

also matches: gpt-5.1microsoft/gpt-5.1

Does your code call GPT-5.1?

$ curl -fsSL https://llmstatus.ai/install.sh | bash

Then mm status in any repo — it finds every model you use and flags the ones on a clock. No account, nothing uploaded.

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