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Azure OpenAI o1, o3, o3-mini and o4-mini retire November 19, 2026

Readers can stay on Azure OpenAI in Foundry Models: they change a setting or plan. Help the ones who would rather leave.

34 days left · November 19, 2026 · Public page

Low switching pressure44/100

An estimate from the deadline, cost, discussion and need to move. It is not a product rating.

What goes into it

Confidence: medium.

deadline24/30
money14/25
attention0/25
audience0/12
force6/8
  • Hard deadline in 34 days.
  • The change is forced: it reaches users even if they wait.

  1. 1 Related discussions

    Only threads tied to this event that talk about leaving, moving or prices. Saved, not live. Check the date and read the thread before replying.

    No live threads yet.

  2. 2 What people ask

    No common questions yet.

  3. 3 Reply templates

    Answer the question first. Link only if it helps. Always keep the disclosure line. Never post the same text twice.

    Helpful first
    Sorry you have to deal with this. You can stay on Azure OpenAI in Foundry Models. Here is what to change before November 19, 2026:

1. List your deployments. Check each Azure OpenAI deployment: model, version and deployment type.
2. Move provisioned and pinned ones yourself. Provisioned deployments and those set to never upgrade are not moved for you. Deploy gpt-5.6-sol or gpt-5.6-terra.
3. Test the new model. Even when Microsoft upgrades a deployment, run your prompts on the new model and check the output.

If they would rather leave, describe a verified way <your product> can help: <your link>
[Disclosure: I build <your product>.]
    Short answer
    You have until November 19, 2026. You can stay on Azure OpenAI in Foundry Models. First: list your deployments. Then move provisioned and pinned ones yourself.
Happy to help if you get stuck.
[Disclosure: I build <your product>.]

  4. 4 Switch-page builder

    Create a draft “Switch from Azure OpenAI in Foundry Models” page. Add your product, review every claim, then copy HTML or Markdown. Your product claims need your own evidence.

    • Add your product name to replace “Your product”.
    Preview

    Switch from Azure OpenAI in Foundry Models to Your product

    Azure OpenAI o1, o3, o3-mini and o4-mini deployments: a change is due by November 19. You can stay on Azure OpenAI in Foundry Models. If you would rather leave, here is how to move to Your product.

    What changes at Azure OpenAI in Foundry Models

    Microsoft retires o1, o3, o3-mini and o4-mini in Azure OpenAI on November 19, 2026, and gpt-4o version 2024-05-13 on December 9, 2026. Some deployments are upgraded for you; others stop working.

    • Retirement date: November 19, 2026 (Microsoft)
    • Models and versions: o1 (2024-12-17), o3 (2025-04-16), o3-mini (2025-01-31), o4-mini (2025-04-16) (Microsoft)
    • Replacements: o1 and o3 → gpt-5.6-sol; o3-mini and o4-mini → gpt-5.6-terra (Microsoft)
    • Also retiring: gpt-4o version 2024-05-13 on December 9, 2026 → gpt-5.6-sol (Microsoft)
    • Standard, Global Standard and Data Zone Standard: Microsoft upgrades them automatically when a version retires (Microsoft)
    • Provisioned deployments: Not upgraded automatically (Microsoft)
    • Deployments set to never upgrade: Stop working at retirement (Microsoft)
    • Deployments of these models: Retire November 19, 2026; some move to a new model on their own (Microsoft)

    You can stay on Azure OpenAI in Foundry Models if you make the change. This page is for people who would rather leave.

    What Your product gives you

    Write two or three short lines here. Say what Your product does, who it is for, and what it costs. Use only facts you can show.

    How to move from Azure OpenAI in Foundry Models to Your product

    1. Save what you need from Azure OpenAI in Foundry Models. Keep a copy before you cancel anything.
    2. Import into Your product. Say which files you accept and how long an import takes.

    Tell readers the key date: November 19, 2026.

    Questions people ask

    If Your product has a direct answer to one of these, add it here. Keep it short and true.

    How to help new users settle in

    Send one short email. Say what changed, where to find you now, and what they need to do. Put the most important line first.

    If there is a date, send a short reminder a few days before it. Keep a copy of the list you sent it to.

    Sources

  5. 5 Search ideas to validate

    suggested, not measured Phrases people may search when a tool changes like this. We have no search volume data for them.

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