> ## Documentation Index
> Fetch the complete documentation index at: https://hobbyist-e43fa225.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Model retirement schedule

> Retirement dates and replacement models for all models available through Microsoft Foundry.

This article lists the retirement schedule for Foundry Models, including the current lifecycle stage, retirement date, and suggested replacement. Use it to plan migrations before a model is deprecated or retired. For details on what each lifecycle stage means and how notifications work, see [Microsoft Foundry Models lifecycle and support policy](/models/model-retirements).
This article lists the retirement schedule for Foundry Models, including the current lifecycle stage, retirement date, and suggested replacement. Use it to plan migrations before a model is deprecated or retired. For details on what each lifecycle stage means and how notifications work, see [Microsoft Foundry Models lifecycle and support policy](/models/model-retirements).

## Foundry Models sold by Azure

This section lists the retirement lifecycle for Foundry Models sold by Azure.

### Azure OpenAI

| Model                     | Version    | Lifecycle  | Retirement date | Replacement         |
| ------------------------- | ---------- | ---------- | --------------- | ------------------- |
| codex-mini                | 2025-05-16 | Deprecated | 2026-11-15      | —                   |
| gpt-4.1                   | 2025-04-14 | Deprecated | 2027-04-14      | —                   |
| gpt-4.1-mini              | 2025-04-14 | Deprecated | 2027-04-14      | —                   |
| gpt-4.1-nano              | 2025-04-14 | Deprecated | 2026-10-14      | —                   |
| codex-mini                | 2025-05-16 | Deprecated | 2026-11-15      | —                   |
| gpt-4.1                   | 2025-04-14 | Deprecated | 2027-04-14      | —                   |
| gpt-4.1-mini              | 2025-04-14 | Deprecated | 2027-04-14      | —                   |
| gpt-4.1-nano              | 2025-04-14 | Deprecated | 2026-10-14      | —                   |
| gpt-4o                    | 2024-05-13 | Deprecated | 2026-10-01      | gpt-5.1             |
| gpt-4o                    | 2024-08-06 | Deprecated | 2027-04-14      | gpt-5.1             |
| gpt-4o                    | 2024-11-20 | Deprecated | 2027-04-14      | gpt-5.1             |
| gpt-4o-mini               | 2024-07-18 | Deprecated | 2027-04-14      | gpt-4.1-mini        |
| gpt-4o-mini-transcribe    | 2025-03-20 | GA         | 2026-10-15      | —                   |
| gpt-4o-mini-transcribe    | 2025-12-15 | GA         | 2026-12-15      | —                   |
| gpt-4o-mini-tts           | 2025-03-20 | Preview    | 2026-10-15      | —                   |
| gpt-4o-mini-tts           | 2025-12-15 | GA         | 2026-12-15      | —                   |
| gpt-4o-transcribe         | 2025-03-20 | GA         | 2026-10-15      | —                   |
| gpt-4o-transcribe-diarize | 2025-10-15 | GA         | 2026-10-15      | —                   |
| gpt-5                     | 2025-08-07 | GA         | 2027-02-06      | —                   |
| gpt-5-chat                | 2025-08-07 | Retired    | 2026-06-29      | gpt-chat-latest     |
| gpt-5-chat                | 2025-10-03 | Retired    | 2026-05-13      | gpt-chat-latest     |
| gpt-5-chat                | 2025-08-07 | Retired    | 2026-06-29      | gpt-chat-latest     |
| gpt-5-chat                | 2025-10-03 | Retired    | 2026-05-13      | gpt-chat-latest     |
| gpt-5-codex               | 2025-09-15 | GA         | 2027-03-17      | —                   |
| gpt-5-mini                | 2025-08-07 | GA         | 2027-02-06      | —                   |
| gpt-5-nano                | 2025-08-07 | GA         | 2027-02-06      | —                   |
| gpt-5-pro                 | 2025-10-06 | GA         | 2027-04-07      | —                   |
| gpt-5.1                   | 2025-11-13 | GA         | 2027-05-15      | —                   |
| gpt-5.1-chat              | 2025-11-13 | Retired    | 2026-06-29      | gpt-chat-latest     |
| gpt-5.1-chat              | 2025-11-13 | Retired    | 2026-06-29      | gpt-chat-latest     |
| gpt-5.1-codex             | 2025-11-13 | GA         | 2027-05-15      | —                   |
| gpt-5.1-codex-max         | 2025-12-04 | GA         | 2026-12-05      | —                   |
| gpt-5.1-codex-mini        | 2025-11-13 | GA         | 2027-05-15      | —                   |
| gpt-5.2                   | 2025-12-11 | GA         | 2026-12-12      | —                   |
| gpt-5.2-chat              | 2025-12-11 | Retired    | 2026-05-13      | gpt-chat-latest     |
| gpt-5.2-chat              | 2026-02-10 | Retired    | 2026-06-29      | gpt-chat-latest     |
| gpt-5.2-chat              | 2025-12-11 | Retired    | 2026-05-13      | gpt-chat-latest     |
| gpt-5.2-chat              | 2026-02-10 | Retired    | 2026-06-29      | gpt-chat-latest     |
| gpt-5.2-codex             | 2026-01-14 | GA         | 2027-01-14      | —                   |
| gpt-5.3-chat              | 2026-03-03 | Retired    | 2026-06-29      | gpt-chat-latest     |
| gpt-5.3-chat              | 2026-03-03 | Retired    | 2026-06-29      | gpt-chat-latest     |
| gpt-5.3-codex             | 2026-02-24 | GA         | 2027-02-25      | —                   |
| gpt-5.4                   | 2026-03-05 | GA         | 2027-03-05      | —                   |
| gpt-5.4-mini              | 2026-03-17 | GA         | 2027-03-18      | —                   |
| gpt-5.4-nano              | 2026-03-17 | GA         | 2027-03-18      | —                   |
| gpt-5.4-pro               | 2026-03-05 | GA         | 2027-03-06      | —                   |
| gpt-5.5                   | 2026-04-24 | GA         | 2027-04-23      | —                   |
| gpt-5.6-luna              | 2026-07-09 | GA         | 2027-07-09      | —                   |
| gpt-5.6-sol               | 2026-07-09 | GA         | 2027-07-09      | —                   |
| gpt-5.6-terra             | 2026-07-09 | GA         | 2027-07-09      | —                   |
| gpt-5.6-luna              | 2026-07-09 | GA         | 2027-07-09      | —                   |
| gpt-5.6-sol               | 2026-07-09 | GA         | 2027-07-09      | —                   |
| gpt-5.6-terra             | 2026-07-09 | GA         | 2027-07-09      | —                   |
| gpt-audio                 | 2025-08-28 | GA         | 2027-02-28      | —                   |
| gpt-audio-1.5             | 2026-02-23 | GA         | 2027-02-23      | —                   |
| gpt-audio-mini            | 2025-10-06 | GA         | 2026-09-21      | —                   |
| gpt-audio-mini            | 2025-10-06 | GA         | 2026-09-21      | —                   |
| gpt-audio-mini            | 2025-12-15 | GA         | 2026-12-15      | —                   |
| gpt-chat-latest           | 2026-05-05 | Preview    | 2026-08-05      | —                   |
| gpt-chat-latest           | 2026-05-28 | Preview    | 2026-08-28      | —                   |
| gpt-chat-latest           | 2026-06-24 | Preview    | 2026-08-28      | —                   |
| gpt-chat-latest           | 2026-05-05 | Preview    | 2026-08-05      | —                   |
| gpt-chat-latest           | 2026-05-28 | Preview    | 2026-08-28      | —                   |
| gpt-chat-latest           | 2026-06-24 | Preview    | 2026-08-28      | —                   |
| gpt-image-1               | 2025-04-15 | Preview    | 2026-10-23      | —                   |
| gpt-image-1-mini          | 2025-10-06 | GA         | 2027-04-07      | —                   |
| gpt-image-1.5             | 2025-12-16 | GA         | 2026-12-16      | —                   |
| gpt-image-2               | 2026-04-21 | GA         | 2027-04-21      | —                   |
| gpt-realtime              | 2025-08-28 | GA         | 2027-02-28      | —                   |
| gpt-realtime-1.5          | 2026-02-23 | GA         | 2027-02-23      | —                   |
| gpt-realtime-2            | 2026-05-06 | Preview    | 2026-08-31      | —                   |
| gpt-realtime-2.1          | 2026-07-07 | Preview    | 2027-06-25      | —                   |
| gpt-realtime-2.1-mini     | 2026-07-07 | Preview    | 2027-06-25      | —                   |
| gpt-realtime-mini         | 2025-10-06 | GA         | 2026-09-21      | —                   |
| gpt-realtime-mini         | 2025-12-15 | GA         | 2026-12-15      | —                   |
| o1                        | 2024-12-17 | Deprecated | 2026-10-21      | gpt-5.6-sol         |
| o1-pro                    | 2025-03-19 | GA         | 2026-10-21      | gpt-5.6-sol         |
| o3                        | 2025-04-16 | GA         | 2026-10-21      | gpt-5.6-sol         |
| o1                        | 2024-12-17 | Deprecated | 2026-10-21      | gpt-5.6-sol         |
| o1-pro                    | 2025-03-19 | GA         | 2026-10-21      | gpt-5.6-sol         |
| o3                        | 2025-04-16 | GA         | 2026-10-21      | gpt-5.6-sol         |
| o3-deep-research          | 2025-06-26 | GA         | 2026-12-26      | —                   |
| o3-mini                   | 2025-01-31 | Deprecated | 2026-10-01      | o4-mini             |
| o3-mini                   | 2025-01-31 | Deprecated | 2026-10-01      | o4-mini             |
| o3-pro                    | 2025-06-10 | GA         | 2026-12-10      | —                   |
| o4-mini                   | 2025-04-16 | Deprecated | 2026-10-16      | —                   |
| sora-2                    | 2025-10-06 | Preview    | 2026-07-15      | sora-2 (2025-12-08) |
| sora-2                    | 2025-12-08 | Preview    | 2026-09-15      | —                   |
| text-embedding-3-large    | 1          | GA         | 2028-02-09      | —                   |
| text-embedding-3-small    | 1          | GA         | 2028-02-09      | —                   |
| text-embedding-ada-002    | 1          | GA         | 2028-02-09      | —                   |
| text-embedding-ada-002    | 2          | GA         | 2028-02-09      | —                   |
| text-embedding-3-large    | 1          | GA         | 2028-02-09      | —                   |
| text-embedding-3-small    | 1          | GA         | 2028-02-09      | —                   |
| text-embedding-ada-002    | 1          | GA         | 2028-02-09      | —                   |
| text-embedding-ada-002    | 2          | GA         | 2028-02-09      | —                   |
| tts                       | 001        | Preview    | 2026-12-15      | —                   |
| tts-hd                    | 001        | GA         | 2026-12-15      | —                   |
| whisper                   | 001        | GA         | 2026-12-15      | —                   |

#### Fine-tuned models

Fine-tuned models retire in two phases: *training* and *deployment*.

Unless explicitly stated, training retires no earlier than the base model retirement date.

| Model        | Version    | Training retirement date               | Deployment retirement date |
| ------------ | ---------- | -------------------------------------- | -------------------------- |
| gpt-4.1      | 2025-04-14 | No earlier than 2027-04-14<sup>1</sup> | 2027-10-14                 |
| gpt-4.1-mini | 2025-04-14 | No earlier than 2027-04-14<sup>1</sup> | 2027-10-14                 |
| gpt-4.1-nano | 2025-04-14 | No earlier than 2027-04-14<sup>1</sup> | 2027-10-14                 |
| gpt-4o       | 2024-08-06 | No earlier than 2027-04-01<sup>1</sup> | 2027-10-01                 |
| gpt-4o-mini  | 2024-07-18 | No earlier than 2027-04-01<sup>1</sup> | 2027-10-01                 |
| o4-mini      | 2025-04-16 | No earlier than 2027-04-16<sup>1</sup> | 2027-10-16                 |

<sup>1</sup> For existing customers only. Otherwise, training retirement occurs at base model retirement.

### Black Forest Labs

| Model              | Version | Lifecycle | Retirement date | Replacement |
| ------------------ | ------- | --------- | --------------- | ----------- |
| FLUX-1.1-pro       | 1       | GA        | —               | —           |
| FLUX.1-Kontext-pro | 1       | GA        | —               | —           |
| FLUX.2-flex        | 1       | GA        | —               | —           |
| FLUX.2-pro         | 1       | GA        | —               | —           |

### Cohere

| Model                         | Version | Lifecycle | Retirement date | Replacement |
| ----------------------------- | ------- | --------- | --------------- | ----------- |
| Cohere-rerank-v4.0-fast       | 1       | GA        | —               | —           |
| Cohere-rerank-v4.0-pro        | 1       | GA        | —               | —           |
| cohere-command-a              | 1       | GA        | —               | —           |
| Cohere-command-a-plus-05-2026 | 1       | Preview   | 2026-10-13      | —           |
| embed-v-4-0                   | 1       | GA        | —               | —           |

### DeepSeek

| Model                  | Version    | Lifecycle | Retirement date | Replacement       |
| ---------------------- | ---------- | --------- | --------------- | ----------------- |
| DeepSeek-R1            | 1          | Legacy    | 2026-08-13      | DeepSeek-V4-Pro   |
| DeepSeek-R1-0528       | 1          | Retired   | 2026-07-13      | DeepSeek-V4-Pro   |
| DeepSeek-V3-0324       | 1          | Retired   | 2026-07-13      | DeepSeek-V4-Flash |
| DeepSeek-V3.1          | 1          | Retired   | 2026-07-13      | DeepSeek-V4-Flash |
| DeepSeek-V3.2          | 1          | GA        | —               | —                 |
| DeepSeek-V3.2-Speciale | 1          | GA        | —               | —                 |
| DeepSeek-V4-Flash      | 2026-04-23 | GA        | 2028-02-20      | —                 |
| DeepSeek-V4-Pro        | 2026-04-23 | GA        | 2028-02-20      | —                 |
| DeepSeek-V4-Flash      | 2026-04-23 | GA        | 2028-02-20      | —                 |
| DeepSeek-V4-Pro        | 2026-04-23 | GA        | 2028-02-20      | —                 |

### Meta

| Model                                  | Version | Lifecycle | Retirement date | Replacement |
| -------------------------------------- | ------- | --------- | --------------- | ----------- |
| Llama-3.3-70B-Instruct                 | —       | GA        | —               | —           |
| Llama-4-Maverick-17B-128E-Instruct-FP8 | —       | GA        | —               | —           |

### Microsoft

| Model        | Version    | Lifecycle | Retirement date | Replacement         |
| ------------ | ---------- | --------- | --------------- | ------------------- |
| model-router | 2025-05-19 | Preview   | 2026-08-30      | —                   |
| model-router | 2025-08-07 | Preview   | 2026-08-30      | —                   |
| model-router | 2025-05-19 | Preview   | 2026-08-30      | —                   |
| model-router | 2025-08-07 | Preview   | 2026-08-30      | —                   |
| model-router | 2025-11-18 | GA        | 2027-05-20      | —                   |
| MAI-Image-2e | 2026-04-09 | Preview   | 2026-08-15      | MAI-Image-2.5-Flash |
| MAI-Image-2  | 2026-02-20 | Preview   | 2026-08-15      | MAI-Image-2.5       |
| MAI-Image-2e | 2026-04-09 | Preview   | 2026-08-15      | MAI-Image-2.5-Flash |
| MAI-Image-2  | 2026-02-20 | Preview   | 2026-08-15      | MAI-Image-2.5       |

### Mistral AI

| Model                    | Version | Lifecycle | Retirement date | Replacement                               |
| ------------------------ | ------- | --------- | --------------- | ----------------------------------------- |
| Mistral-Large-3          | 1       | GA        | —               | —                                         |
| mistral-document-ai-2505 | 1       | Retired   | 2026-07-20      | mistral-document-ai-2512, mistral-ocr-4-0 |
| mistral-document-ai-2512 | 1       | GA        | —               | mistral-ocr-4-0                           |

### MoonshotAI

| Model          | Version    | Lifecycle | Retirement date | Replacement |
| -------------- | ---------- | --------- | --------------- | ----------- |
| Kimi-K2.5      | 1          | Preview   | 2027-01-26      | —           |
| Kimi-K2.6      | 2026-04-20 | Preview   | 2027-04-16      | —           |
| Kimi-K2.7-Code | 2026-06-12 | Preview   | 2026-10-03      | —           |
| Kimi-K2.7-Code | 2026-06-12 | Preview   | 2026-10-03      | —           |

### OpenAI-OSS

| Model        | Version | Lifecycle | Retirement date | Replacement |
| ------------ | ------- | --------- | --------------- | ----------- |
| gpt-oss-120b | 1       | GA        | —               | —           |

### xAI

| Model                       | Version | Lifecycle | Retirement date | Replacement                 |
| --------------------------- | ------- | --------- | --------------- | --------------------------- |
| grok-3                      | 1       | Retired   | 2026-05-01      | grok-4                      |
| grok-3-mini                 | 1       | Retired   | 2026-05-01      | grok-4-1-fast-reasoning     |
| grok-4                      | 1       | GA        | —               | —                           |
| grok-4-1-fast-non-reasoning | 1       | GA        | —               | —                           |
| grok-4-1-fast-reasoning     | 1       | GA        | —               | —                           |
| grok-4-20-non-reasoning     | 1       | Preview   | 2027-04-06      | —                           |
| grok-4-20-reasoning         | 1       | Preview   | 2027-04-06      | —                           |
| grok-4-fast-non-reasoning   | 1       | Retired   | 2026-05-01      | grok-4-1-fast-non-reasoning |
| grok-4-fast-reasoning       | 1       | Retired   | 2026-05-01      | grok-4-1-fast-reasoning     |
| grok-code-fast-1            | 1       | GA        | —               | —                           |

## Foundry Models from partners and community

This section lists the retirement lifecycle for Foundry Models sold by partners via Azure Marketplace.

### Anthropic

| Model                                          | Version | Lifecycle | Retirement date | Replacement     |
| ---------------------------------------------- | ------- | --------- | --------------- | --------------- |
| claude-haiku-4-5                               | —       | Preview   | 2026-10-19      | —               |
| claude-mythos-preview (gated research preview) | —       | Preview   | 2027-04-02      | —               |
| claude-opus-4-1                                | —       | Preview   | 2026-08-05      | claude-opus-4-8 |
| claude-opus-4-5                                | —       | Preview   | 2026-10-19      | —               |
| claude-opus-4-6                                | —       | Preview   | 2027-02-02      | —               |
| claude-opus-4-7                                | —       | Preview   | 2027-04-06      | —               |
| claude-sonnet-4-5                              | —       | Preview   | 2026-10-19      | —               |
| claude-sonnet-4-6                              | —       | Preview   | 2027-02-10      | —               |

### Cohere

| Model                         | Version | Lifecycle | Retirement date | Replacement                                     |
| ----------------------------- | ------- | --------- | --------------- | ----------------------------------------------- |
| Cohere-command-r-08-2024      | 1       | Retired   | 2026-05-12      | —                                               |
| Cohere-command-r-plus-08-2024 | 1       | Retired   | 2026-05-12      | —                                               |
| Cohere-rerank-v3.5            | 1       | Retired   | 2026-05-14      | Cohere-rerank-v4.0-pro, Cohere-rerank-v4.0-fast |
| Cohere-embed-v3-english       | 1       | GA        | —               | —                                               |
| Cohere-embed-v3-multilingual  | 1       | GA        | —               | —                                               |

### Fireworks

<Info>
  Fireworks models on Standard (Per-Token) inference offerings are subject to a **15-day notice period** prior to model retirement. Plan your deployments accordingly and monitor notifications for upcoming retirement dates.
</Info>

| Model                    | Version | Lifecycle | Retirement date | Replacement |
| ------------------------ | ------- | --------- | --------------- | ----------- |
| FW-DeepSeek-V3.1         | 1       | GA        | 2027-07-01      | —           |
| FW-DeepSeek-V3.2         | 1       | GA        | 2027-07-01      | —           |
| FW-GLM-4.7               | 1       | GA        | 2027-07-01      | —           |
| FW-GLM-5                 | 1       | GA        | 2027-07-01      | —           |
| FW-GLM-5.1               | 1       | GA        | 2027-07-01      | —           |
| FW-GPT-OSS-120B          | 1       | GA        | 2027-07-01      | —           |
| FW-Kimi-K2-Instruct-0905 | 1       | GA        | 2027-07-01      | —           |
| FW-Kimi-K2-Thinking      | 1       | GA        | 2027-07-01      | —           |
| FW-Kimi-K2.5             | 1       | GA        | 2027-07-01      | —           |
| FW-MiniMax-M2.5          | 1       | GA        | 2027-07-01      | —           |
| FW-Qwen3-14B             | 1       | GA        | 2027-07-01      | —           |
| FW-Qwen3.5-122B-A10B     | 1       | GA        | 2027-07-01      | —           |
| FW-Qwen3.5-397B-A17B     | 1       | GA        | 2027-07-01      | —           |

### Meta

| Model                          | Version | Lifecycle | Retirement date | Replacement |
| ------------------------------ | ------- | --------- | --------------- | ----------- |
| Llama-3.2-11B-Vision-Instruct  | —       | Retired   | 2026-06-13      | —           |
| Llama-3.2-90B-Vision-Instruct  | —       | Retired   | 2026-06-13      | —           |
| Llama-4-Scout-17B-16E-Instruct | —       | GA        | —               | —           |
| Meta-Llama-3.1-405B-Instruct   | —       | Retired   | 2026-06-13      | —           |
| Meta-Llama-3.1-8B              | —       | Retired   | 2026-06-13      | —           |
| Meta-Llama-3.1-8B-Instruct     | —       | Retired   | 2026-06-13      | —           |

### Microsoft

| Model                     | Version | Lifecycle | Retirement date | Replacement |
| ------------------------- | ------- | --------- | --------------- | ----------- |
| Phi-4                     | —       | GA        | —               | —           |
| Phi-4-mini-instruct       | —       | GA        | —               | —           |
| Phi-4-mini-reasoning      | —       | GA        | —               | —           |
| Phi-4-multimodal-instruct | —       | GA        | —               | —           |
| Phi-4-reasoning           | —       | GA        | —               | —           |

### Mistral AI

| Model               | Version | Lifecycle | Retirement date | Replacement |
| ------------------- | ------- | --------- | --------------- | ----------- |
| Codestral-2501      | 2       | GA        | —               | —           |
| Ministral-3B        | 1       | GA        | —               | —           |
| Mistral-large       | 1       | GA        | —               | —           |
| mistral-medium-2505 | 1       | GA        | —               | —           |
| mistral-small-2503  | 1       | GA        | —               | —           |

### Nixtla

| Model     | Version | Lifecycle  | Retirement date | Replacement             |
| --------- | ------- | ---------- | --------------- | ----------------------- |
| TimeGEN-1 | 1       | Deprecated | 2026-08-31      | TimeGPT-1, TimegGPT-2.1 |

### NTT Data

| Model      | Version | Lifecycle | Retirement date | Replacement |
| ---------- | ------- | --------- | --------------- | ----------- |
| tsuzumi-7b | 2       | Legacy    | 2026-08-31      | tsuzumi2    |

### StabilityAI

| Model                      | Version | Lifecycle  | Retirement date | Replacement |
| -------------------------- | ------- | ---------- | --------------- | ----------- |
| Stable-Diffusion-3.5-Large | 1       | Deprecated | 2026-07-31      | —           |
| Stable-Image-Core          | 1       | Deprecated | 2026-07-31      | —           |
| Stable-Image-Ultra         | 1       | Deprecated | 2026-07-31      | —           |

## Related content

* [Retired Foundry Models](/models/retired-models)
* [Microsoft Foundry Models lifecycle and support policy](/models/model-retirements)