Model and API retirements

Within 30 days64Firm dates ahead558

64 within 30 days · 558 firm dates ahead

gpt-5.1-chat (2025-11-13) retirement date and replacement

Microsoft Foundry · Product · retired Jun 29, 2026 (retired)Unverified

Vendor page

Dates

Checked Nov 9, 2026 on Microsoft's page
RetiredJun 29, 2026 (retired)
Replacementgpt-chat-latest
What it isgpt-5.1-chat (2025-11-13) was retired on Microsoft Foundry.
Sourcelearn.microsoft.com/en-us/azure/foundry/openai/concepts/retired-models

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