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This article lists the retirement schedule for Foundry Models — their 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.

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Foundry Models sold by Azure

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

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Azure OpenAI

ModelVersionLifecycleRetirement dateReplacement
codex-mini2025-05-16GA2026-11-15—
gpt-4.12025-04-14GA2026-10-14—
gpt-4.1-mini2025-04-14GA2026-10-14—
gpt-4.1-nano2025-04-14GA2026-10-14—
gpt-4o2024-05-13Deprecated2026-10-01gpt-5.1
gpt-4o2024-08-06Deprecated2026-10-01gpt-5.1
gpt-4o2024-11-20GA2026-10-01gpt-5.1
gpt-4o-mini2024-07-18GA2026-10-01gpt-4.1-mini
gpt-4o-mini-transcribe2025-03-20GA2026-10-15—
gpt-4o-mini-transcribe2025-12-15GA2026-12-15—
gpt-4o-mini-tts2025-03-20Preview2026-10-15—
gpt-4o-mini-tts2025-12-15GA2026-12-15—
gpt-4o-transcribe2025-03-20GA2026-10-15—
gpt-4o-transcribe-diarize2025-10-15GA2026-10-15—
gpt-52025-08-07GA2027-02-06—
gpt-5-chat2025-08-07Preview2026-06-29gpt-chat-latest
gpt-5-chat2025-10-03Preview2026-06-29gpt-chat-latest
gpt-5-codex2025-09-15GA2027-03-17—
gpt-5-mini2025-08-07GA2027-02-06—
gpt-5-nano2025-08-07GA2027-02-06—
gpt-5-pro2025-10-06GA2027-04-07—
gpt-5.12025-11-13GA2027-05-15—
gpt-5.1-chat2025-11-13Preview2026-06-29gpt-chat-latest
gpt-5.1-codex2025-11-13GA2027-05-15—
gpt-5.1-codex-max2025-12-04GA2026-12-05—
gpt-5.1-codex-mini2025-11-13GA2027-05-15—
gpt-5.22025-12-11GA2026-12-12—
gpt-5.2-chat2025-12-11Preview2026-06-29gpt-chat-latest
gpt-5.2-chat2026-02-10Preview2026-06-29gpt-chat-latest
gpt-5.2-codex2026-01-14GA2027-01-14—
gpt-5.3-chat2026-03-03Preview2026-06-29gpt-chat-latest
gpt-5.3-codex2026-02-24GA2027-02-25—
gpt-5.42026-03-05GA2027-03-05—
gpt-5.4-mini2026-03-17GA2027-03-18—
gpt-5.4-nano2026-03-17GA2027-03-18—
gpt-5.4-pro2026-03-05GA2027-03-06—
gpt-5.52026-04-24GA2027-04-23—
gpt-audio2025-08-28GA2027-02-28—
gpt-audio-1.52026-02-23GA2027-02-23—
gpt-audio-mini2025-10-06GA2026-07-23—
gpt-audio-mini2025-12-15GA2026-12-15—
gpt-chat-latest2026-05-05Preview2026-11-05—
gpt-image-12025-04-15Preview2026-10-23—
gpt-image-1-mini2025-10-06GA2027-04-07—
gpt-image-1.52025-12-16GA2026-12-16—
gpt-image-22026-04-21GA2027-04-21—
gpt-realtime2025-08-28GA2027-02-28—
gpt-realtime-1.52026-02-23GA2027-02-23—
gpt-realtime-22026-05-06GA2027-05-06—
gpt-realtime-mini2025-10-06GA2026-07-23—
gpt-realtime-mini2025-12-15GA2026-12-15—
o12024-12-17Deprecated2026-07-15—
o1-pro2025-03-19GA2026-09-18—
o32025-04-16GA2026-10-16—
o3-deep-research2025-06-26GA2026-12-26—
o3-mini2025-01-31Deprecated2026-08-02o4-mini
o3-pro2025-06-10GA2026-12-10—
o4-mini2025-04-16GA2026-10-16—
sora-22025-10-06Preview2026-07-15sora-2 (2025-12-08)
sora-22025-12-08Preview2026-09-15—
text-embedding-3-large1GA2027-04-15—
text-embedding-3-small1GA2027-04-15—
text-embedding-ada-0021GA2027-04-15—
text-embedding-ada-0022GA2027-04-15—
tts001Preview2026-12-15—
tts-hd001GA2026-12-15—
whisper001GA2026-12-15—

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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.
ModelVersionTraining retirement dateDeployment retirement date
gpt-4.12025-04-14No earlier than 2027-04-1412027-10-14
gpt-4.1-mini2025-04-14No earlier than 2027-04-1412027-10-14
gpt-4.1-nano2025-04-14No earlier than 2027-04-1412027-10-14
gpt-4o2024-08-06No earlier than 2027-04-0112027-10-01
gpt-4o-mini2024-07-18No earlier than 2027-04-0112027-10-01
o4-mini2025-04-16No earlier than 2027-04-1612027-10-16
1 For existing customers only. Otherwise, training retirement occurs at base model retirement.

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Black Forest Labs

ModelVersionLifecycleRetirement dateReplacement
FLUX-1.1-pro1GA——
FLUX.1-Kontext-pro1GA——
FLUX.2-flex1GA——
FLUX.2-pro1GA——

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Cohere

ModelVersionLifecycleRetirement dateReplacement
Cohere-rerank-v4.0-fast1GA——
Cohere-rerank-v4.0-pro1GA——
cohere-command-a1GA——
embed-v-4-01GA——

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DeepSeek

ModelVersionLifecycleRetirement dateReplacement
DeepSeek-R11Legacy2026-08-13—
DeepSeek-R1-05281Legacy2026-07-13—
DeepSeek-V3-03241Legacy2026-07-13DeepSeek-V4-Flash, DeepSeek-V4-Pro
DeepSeek-V3.11Legacy2026-07-13DeepSeek-V4-Flash, DeepSeek-V4-Pro
DeepSeek-V3.21GA——
DeepSeek-V3.2-Speciale1GA——

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Meta

ModelVersionLifecycleRetirement dateReplacement
Llama-3.3-70B-Instruct—GA——
Llama-4-Maverick-17B-128E-Instruct-FP8—GA——

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Microsoft

ModelVersionLifecycleRetirement dateReplacement
model-router2025-05-19Preview2026-07-31—
model-router2025-08-07Preview2026-07-31—
model-router2025-11-18GA2027-05-20—

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Mistral AI

ModelVersionLifecycleRetirement dateReplacement
Mistral-Large-31GA——
mistral-document-ai-25051GA2026-05-31mistral-document-ai-2512
mistral-document-ai-25121GA——

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MoonshotAI

ModelVersionLifecycleRetirement dateReplacement
Kimi-K2.51Preview2027-01-26—
Kimi-K2.62026-04-20Preview2027-04-16—

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OpenAI-OSS

ModelVersionLifecycleRetirement dateReplacement
gpt-oss-120b1GA——

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xAI

ModelVersionLifecycleRetirement dateReplacement
grok-31Retired2026-05-01grok-4
grok-3-mini1Retired2026-05-01grok-4-1-fast-reasoning
grok-41GA——
grok-4-1-fast-non-reasoning1GA——
grok-4-1-fast-reasoning1GA——
grok-4-20-non-reasoning1Preview2027-04-06—
grok-4-20-reasoning1Preview2027-04-06—
grok-4-fast-non-reasoning1Retired2026-05-01grok-4-1-fast-non-reasoning
grok-4-fast-reasoning1Retired2026-05-01grok-4-1-fast-reasoning
grok-code-fast-11GA——

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Foundry Models from partners and community

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

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Anthropic

ModelVersionLifecycleRetirement dateReplacement
claude-haiku-4-5—Preview2026-10-19—
claude-mythos-preview (gated research preview)—Preview2027-04-02—
claude-opus-4-1—Preview2026-10-19—
claude-opus-4-5—Preview2026-10-19—
claude-opus-4-6—Preview2027-02-02—
claude-opus-4-7—Preview2027-04-06—
claude-sonnet-4-5—Preview2026-10-19—
claude-sonnet-4-6—Preview2027-02-10—

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Cohere

ModelVersionLifecycleRetirement dateReplacement
Cohere-command-r-08-20241Retired2026-05-12—
Cohere-command-r-plus-08-20241Retired2026-05-12—
Cohere-rerank-v3.51Deprecated2026-05-14Cohere-rerank-v4.0-pro, Cohere-rerank-v4.0-fast
Cohere-embed-v3-english1GA——
Cohere-embed-v3-multilingual1GA——

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DeepSeek

ModelVersionLifecycleRetirement dateReplacement
DeepSeek-V4-Flash1GA——

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Fireworks

ModelVersionLifecycleRetirement dateReplacement
FW-DeepSeek-V3.11Preview2026-07-01—
FW-DeepSeek-V3.21Preview2026-07-01—
FW-GLM-4.71Preview2026-07-01—
FW-GLM-51Preview2026-07-01—
FW-GLM-5.11Preview2026-08-01—
FW-GPT-OSS-120B1Preview2026-07-01—
FW-Kimi-K2-Instruct-09051Preview2026-07-01—
FW-Kimi-K2-Thinking1Preview2026-07-01—
FW-Kimi-K2.51Preview2026-07-01—
FW-MiniMax-M2.51Preview2026-07-01—
FW-Qwen3-14B1Preview2026-07-01—
FW-Qwen3.5-122B-A10B1Preview2026-08-01—
FW-Qwen3.5-397B-A17B1Preview2026-08-01—

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Meta

ModelVersionLifecycleRetirement dateReplacement
Llama-3.2-11B-Vision-Instruct—Deprecated2026-06-13—
Llama-3.2-90B-Vision-Instruct—Deprecated2026-06-13—
Llama-4-Scout-17B-16E-Instruct—GA——
Meta-Llama-3.1-405B-Instruct—Deprecated2026-06-13—
Meta-Llama-3.1-8B—Deprecated2026-06-13—
Meta-Llama-3.1-8B-Instruct—Deprecated2026-06-13—

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Microsoft

ModelVersionLifecycleRetirement dateReplacement
Phi-4—GA——
Phi-4-mini-instruct—GA——
Phi-4-mini-reasoning—GA——
Phi-4-multimodal-instruct—GA——
Phi-4-reasoning—GA——

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Mistral AI

ModelVersionLifecycleRetirement dateReplacement
Codestral-25012GA——
Ministral-3B1GA——
Mistral-large1GA——
mistral-medium-25051GA——
mistral-small-25031GA——

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NTT Data

ModelVersionLifecycleRetirement dateReplacement
tsuzumi-7b2Legacy2026-08-31tsuzumi2

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StabilityAI

ModelVersionLifecycleRetirement dateReplacement
Stable-Diffusion-3.5-Large1Deprecated2026-08-31—
Stable-Image-Core1Deprecated2026-08-31—
Stable-Image-Ultra1Deprecated2026-08-31—

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