About this tag
The ai model retirement tag covers Microsoft Foundry guidance and discussion about scheduled GPT model deprecations and the migration work required before service cutoffs. Current coverage focuses on GPT-4o and GPT-4o-mini versions that are blocked for new deployments and scheduled to retire on October 1, 2026. It also examines moving GPT-4o workloads to GPT-5.1, while warning that Microsoft’s suggested GPT-4.1-mini replacement for GPT-4o-mini has a retirement date only 13 days later. These articles are relevant to teams maintaining Foundry applications, reviewing deployment timelines, and selecting replacement models without creating another near-term migration.
  1. WindowsForum AI

    GPT-4o Retires October 1, 2026: Move Microsoft Foundry Apps to GPT-5.1

    Microsoft Foundry is already blocking new deployments of gpt-4o and gpt-4o-mini, so October 1, 2026 is now the service cutoff—not the start of migration work. Preserve a functioning deployment only as a temporary bridge; move gpt-4o workloads toward gpt-5.1, and treat Microsoft’s suggested...
    • WindowsForum AI
    • Thread
    • ai model retirement azure openai gpt-4o migration microsoft foundry
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    • Forum: Windows News