---
title: "Azure OpenAI API changes, deprecations and deadlines | Harbyn"
description: "Azure OpenAI: 37 upcoming deadlines and 44 recorded changes as of 2026-10-25, each with its source."
canonical: "https://harbyn.com/vendors/azure-openai"
last-updated: 2026-10-08
---

# Azure OpenAI: API changes and deadlines

Markdown version of <https://harbyn.com/vendors/azure-openai>.

AI models and APIs. 37 upcoming deadlines, 44 recorded changes. Every entry cites the Azure OpenAI page we read it from.

## What we read

The Azure OpenAI pages and feeds our ingestion visits, politely and on a schedule.

- **Deprecations**: <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule>
- **Changelog**: <https://learn.microsoft.com/en-us/azure/foundry-classic/openai/whats-new>
- **Changelog**: <https://api.github.com/advisories?affects=@azure/openai,@azure-rest/ai-inference,@ai-sdk/azure,azure-ai-inference,azure-ai-projects&per_page=20&sort=published&direction=desc>

## What the scanner looks for

How `harbyn scan` recognises Azure OpenAI in a repository, on your machine. Nothing leaves it.

- **Packages**: `npm @azure/openai`, `npm @azure-rest/ai-inference`, `npm @ai-sdk/azure`, `pypi azure-ai-inference`, `pypi azure-ai-projects`

## Upcoming deadlines

| Deadline | Change | Use instead | Details | Source |
| --- | --- | --- | --- | --- |
| Nov 15, 2026 | codex-mini and claude-haiku-4-5 retire on 2026-11-15 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2026-11-15.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Nov 19, 2026 | o1, o1-pro, o3, o3-pro, o3-mini, o3-deep-research and o4-mini retire on 2026-11-19 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2026-11-19.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Nov 24, 2026 | claude-opus-4-5 retires on 2026-11-24 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2026-11-24.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Nov 30, 2026 | claude-sonnet-4-5 retires on 2026-11-30 | `claude-sonnet-5-5` | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2026-11-30.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Dec 2, 2026 | gpt-chat-latest preview version 2026-08-06 retires on 2026-12-02 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2026-12-02.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Dec 3, 2026 | DeepSeek-V4-Flash-0731 preview retires on 2026-12-03 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2026-12-03.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Dec 9, 2026 | gpt-4o version 2024-05-13 retires on 2026-12-09 | `gpt-5.6-sol` | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2026-12-09.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Dec 15, 2026 | whisper, tts, tts-hd, gpt-realtime-mini 2025-12-15 and Cohere-parse-v5 retire on 2026-12-15 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirements-scheduled-for-2026-12-15.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Dec 16, 2026 | gpt-image-1.5 retires on 2026-12-16 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2026-12-16.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Jan 26, 2027 | Kimi-K2.5 preview retires on 2027-01-26 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-01-26.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Feb 2, 2027 | claude-opus-4-6 retires on 2027-02-02 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-02-02.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Feb 9, 2027 | gpt-5, gpt-5-mini and gpt-5-nano retire on 2027-02-09 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirements-scheduled-for-2027-02-09.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Feb 10, 2027 | claude-sonnet-4-6 retires on 2027-02-10 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-02-10.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Mar 2, 2027 | gpt-audio and gpt-realtime retire on 2027-03-02 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-03-02.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Mar 17, 2027 | gpt-5-codex retires on 2027-03-17 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-03-17.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Apr 2, 2027 | claude-mythos-preview on Foundry retires on 2027-04-02 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-claude-mythos-preview-retires-on-2027-04-02.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Apr 6, 2027 | grok-4-20 previews, claude-opus-4-7 and gpt-audio-mini 2025-10-06 retire on 2027-04-06 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-04-06.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Apr 7, 2027 | gpt-5-pro and gpt-image-1-mini retire on 2027-04-07 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-04-07.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Apr 14, 2027 | gpt-4.1, gpt-4.1-mini, gpt-4o and gpt-4o-mini retire on 2027-04-14 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-04-14.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Apr 15, 2027 | gpt-4o-transcribe-diarize retires on 2027-04-15 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-04-15.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Apr 16, 2027 | Kimi-K2.6 on Foundry retires on 2027-04-16 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-04-16.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| May 15, 2027 | gpt-5.1, gpt-5.1-codex and gpt-5.1-codex-mini retire on 2027-05-15 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-05-15.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| May 18, 2027 | gpt-5.1-codex-max retires on 2027-05-18 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-05-18.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| May 20, 2027 | model-router version 2025-11-18 retires on 2027-05-20 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-05-20.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Jun 8, 2027 | gpt-5.2 retires on 2027-06-08 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-06-08.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Jun 15, 2027 | gpt-4o-mini-transcribe, gpt-4o-mini-tts and gpt-audio-mini 2025-12-15 versions retire on 2027-06-15 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirements-scheduled-for-2027-06-15.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Jun 25, 2027 | gpt-realtime-2.1 and gpt-realtime-2.1-mini retire on 2027-06-25 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-06-25.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Jun 30, 2027 | claude-sonnet-5 on Foundry retires on 2027-06-30 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-06-30.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Jul 1, 2027 | 13 Fireworks models on Foundry retire on 2027-07-01 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-07-01.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Jul 8, 2027 | claude-opus-5 on Foundry retires on 2027-07-08 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-07-08.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Jul 13, 2027 | gpt-5.2-codex retires on 2027-07-13 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-07-13.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Aug 24, 2027 | gpt-5.3-codex, gpt-audio-1.5 and gpt-realtime-1.5 retire on 2027-08-24 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-08-24.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Sep 1, 2027 | claude-opus-4-8 on Foundry retires on 2027-09-01 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-claude-opus-4-8-retires-on-2027-09-01.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Sep 2, 2027 | gpt-5.4 retires on 2027-09-02 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-09-02.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Sep 7, 2027 | gpt-5.4-pro retires on 2027-09-07 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-09-07.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Sep 9, 2027 | gpt-image-2.5-flare and gpt-image-2.5-sunburst retire on 2027-09-09 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-09-09.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |
| Sep 21, 2027 | gpt-5.4-mini and gpt-5.4-nano retire on 2027-09-21 | - | <https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2027-09-21.md> | <https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule> |

## Change history

Newest first, by the date Azure OpenAI announced it. This is the archive: past changes are not warnings, and changes we recorded after they took effect are marked as such.

### October 2026

- Oct 8, 2026, Retirement: [gpt-chat-latest preview version 2026-06-24 retired on 2026-09-24](https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2026-09-24.md) (effective Sep 24, 2026; recorded after the fact)
- Oct 8, 2026, Retirement: [MAI-Image-2.5, MAI-Image-2.5-Flash and MAI-Image-2.5-Pro previews retired on 2026-10-01](https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2026-10-01.md) (effective Oct 1, 2026; recorded after the fact)
- Oct 8, 2026, Retirement: [Kimi-K2.7-Code preview retired on 2026-10-03](https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2026-10-03.md) (effective Oct 3, 2026; recorded after the fact)
- Oct 8, 2026, Retirement: [Cohere-command-a-plus-05-2026 preview retires on 2026-10-16](https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2026-10-16.md) (effective Oct 16, 2026)
- Oct 8, 2026, Retirement: [gpt-image-1 preview retires on 2026-10-23](https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirement-scheduled-for-2026-10-23.md) (effective Oct 23, 2026)
- Oct 8, 2026, Retirement: [gpt-4.1-nano retires on 2026-10-14](https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirements-scheduled-for-2026-10-14.md) (effective Oct 14, 2026)
- Oct 8, 2026, Retirement: [gpt-4o-transcribe, gpt-4o-mini-transcribe, gpt-4o-mini-tts and sora-2 versions retire on 2026-10-15](https://harbyn.com/changes/azure-openai/2026-10-08-foundry-model-retirements-scheduled-for-2026-10-15.md) (effective Oct 15, 2026)