AI EngineerGuide

AI model retirement calendar

Every upcoming OpenAI, Claude and Gemini API model shutdown in one list, with days left and the recommended replacement.

Free, no signup. Dates come only from official provider pages.

Upcoming shutdowns

Upcoming model shutdowns
ShutdownDays leftModelProviderReplacement
13 days left (earliest)Gemini 2.5 Flash Native Audio Preview 12 2025
gemini-2.5-flash-native-audio-preview-12-2025
Geminigemini-3.8-live
13 days left (earliest)Gemini 2.5 Flash Preview TTS
gemini-2.5-flash-preview-tts
Geminigemini-3.8-flash-tts or gemini-3.8-flash-lite-tts
13 days left (earliest)Gemini 2.5 Pro Preview TTS
gemini-2.5-pro-preview-tts
Geminigemini-3.8-flash-tts or gemini-3.8-flash-lite-tts
13 days left (earliest)Gemini 3.1 Flash Live Preview
gemini-3.1-flash-live-preview
Geminigemini-3.8-live
13 days left (earliest)Gemini 3.1 Flash TTS Preview
gemini-3.1-flash-tts-preview
Geminigemini-3.8-flash-tts or gemini-3.8-flash-lite-tts
26 days leftClaude Sonnet 4.5
claude-sonnet-4-5-20250929
Anthropicclaude-sonnet-5-5
27 days leftchatgpt-image-latest
chatgpt-image-latest
OpenAIgpt-image-2.5-sunburst or gpt-image-2.5-flare
27 days leftgpt-image-1.5
gpt-image-1.5 +1
OpenAIgpt-image-2.5-sunburst or gpt-image-2.5-flare
27 days leftgpt-image-1-mini
gpt-image-1-mini
OpenAIgpt-image-2.5-sunburst or gpt-image-2.5-flare
37 days leftGPT-5
gpt-5 +1
OpenAIgpt-5.6-sol
37 days leftGPT-5 Mini
gpt-5-mini +1
OpenAIgpt-5.6-terra
37 days leftGPT-5 Nano
gpt-5-nano +1
OpenAIgpt-5.6-luna
37 days leftGPT-5 Pro
gpt-5-pro +1
OpenAIgpt-5.6-sol (reasoning.mode: pro)
37 days lefto3
o3 +1
OpenAIgpt-5.6-sol
37 days lefto3-pro
o3-pro +1
OpenAIgpt-5.6-sol (reasoning.mode: pro)
63 days leftGPT-4o mini TTS
gpt-4o-mini-tts +2
OpenAIgpt-realtime-2.1-mini
63 days lefttts-1
tts-1
OpenAIgpt-realtime-2.1-mini
63 days lefttts-1-hd
tts-1-hd
OpenAIgpt-realtime-2.1-mini
71 days leftGPT-4.1
gpt-4.1-2025-04-14
OpenAIgpt-6-luna
71 days leftGPT-4.1 mini
gpt-4.1-mini-2025-04-14
OpenAIgpt-6-luna
71 days leftGPT-4o
gpt-4o-2024-08-06 +1
OpenAIgpt-6-luna
71 days leftGPT-4o mini
gpt-4o-mini-2024-07-18
OpenAIgpt-6-luna
77 days leftGPT-4o audio
gpt-4o-audio
OpenAIgpt-audio-1.5
77 days leftGPT-4o mini audio
gpt-4o-mini-audio
OpenAIgpt-audio-1.5
77 days leftGPT-4o mini realtime
gpt-4o-mini-realtime
OpenAIgpt-realtime-2.1-mini
77 days leftGPT-4o mini transcribe
gpt-4o-mini-transcribe-2025-03-20
OpenAIgpt-4o-mini-transcribe-2025-12-15
77 days leftGPT-4o realtime
gpt-4o-realtime
OpenAIgpt-realtime-2.1
77 days leftgpt-audio
gpt-audio +1
OpenAIgpt-audio-1.5
77 days leftgpt-audio-mini
gpt-audio-mini +1
OpenAIgpt-audio-1.5
77 days leftgpt-realtime
gpt-realtime +1
OpenAIgpt-realtime-2.1
77 days leftgpt-realtime-mini
gpt-realtime-mini +1
OpenAIgpt-realtime-2.1-mini
114 days leftGPT-4o mini transcribe
gpt-4o-mini-transcribe +1
OpenAIgpt-live-transcribe or gpt-transcribe
114 days leftGPT-4o transcribe
gpt-4o-transcribe
OpenAIgpt-live-transcribe or gpt-transcribe
114 days leftGPT-4o transcribe diarize
gpt-4o-transcribe-diarize
OpenAIgpt-live-transcribe or gpt-transcribe
114 days leftwhisper-1
whisper-1
OpenAIgpt-live-transcribe or gpt-transcribe
131 days left (earliest)Gemini 2.5 Flash Image
gemini-2.5-flash-image
Geminigemini-3.1-flash-lite-image
148 days leftGPT-5.1
gpt-5.1 +1
OpenAIgpt-6-sol
148 days leftGPT-5.3 Codex
gpt-5.3-codex
OpenAIgpt-6-sol
148 days leftGPT-5.4 nano
gpt-5.4-nano +1
OpenAIgpt-6-luna
184 days left (earliest)Gemini 3.1 Flash Lite
gemini-3.1-flash-lite
Geminigemini-3.5-flash-lite
557 days left (earliest)Gemini Embedding 001
gemini-embedding-001
Geminigemini-embedding-2
TBAdate TBAClaude Mythos Preview
claude-mythos-preview
Anthropic—

Retired since January 2026

Retired models
ShutdownDays leftModelProviderReplacement
retireddeep-research-pro-preview-12-2025
deep-research-pro-preview-12-2025
Geminideep-research-preview-04-2026
retiredft-o4-mini
ft-o4-mini-2025-04-16
OpenAIgpt-5.6-terra
retiredGPT-3.5-turbo
gpt-3.5-turbo-0125 +2
OpenAIgpt-5.6-terra
retiredGPT-4
gpt-4-0613 +3
OpenAIgpt-5.6-sol
retiredGPT-4.1 nano
gpt-4.1-nano +1
OpenAIgpt-5.6-luna
retiredGPT-4 1106 preview
gpt-4-1106-preview
OpenAIgpt-5.6-sol
retiredGPT-4 Turbo
gpt-4-turbo +2
OpenAIgpt-5.6-sol
retiredGPT-4o (2024-05-13)
gpt-4o-2024-05-13
OpenAIgpt-5.6-sol
retiredgpt-image-1
gpt-image-1
OpenAIgpt-image-2.5-sunburst or gpt-image-2.5-flare
retiredo1
o1-2024-12-17 +1
OpenAIgpt-5.6-sol
retiredo1-pro
o1-pro-2025-03-19 +1
OpenAIgpt-5.6-sol (reasoning.mode: pro)
retiredo3-mini
o3-mini-2025-01-31 +1
OpenAIgpt-5.6-sol
retiredo4-mini
o4-mini-2025-04-16 +1
OpenAIgpt-5.6-terra
retiredGemini Omni Flash Preview
gemini-omni-flash-preview
Geminigemini-omni-1.1-flash
retiredVeo 3.1 Fast Generate Preview
veo-3.1-fast-generate-preview
Geminigemini-omni-1.1-flash
retiredVeo 3.1 Generate Preview
veo-3.1-generate-preview
Geminigemini-omni-1.1-flash
retiredVeo 3.1 Lite Generate Preview
veo-3.1-lite-generate-preview
Geminigemini-omni-1.1-flash
retiredantigravity-preview-05-2026
antigravity-preview-05-2026
Geminiantigravity-preview-09-2026
retiredGPT-5.4 cyber
gpt-5.4-cyber
OpenAIThe most capable cyber model available to you.
retiredbabbage-002
babbage-002
OpenAIgpt-5.6-terra
retireddavinci-002
davinci-002
OpenAIgpt-5.6-terra
retiredGPT-3.5 turbo 1106
gpt-3.5-turbo-1106
OpenAIgpt-5.6-terra
retiredGPT-3.5 turbo instruct
gpt-3.5-turbo-instruct
OpenAIgpt-5.6-terra
retiredsora-2
sora-2 +2
OpenAI—
retiredsora-2-pro
sora-2-pro +1
OpenAI—
retiredGemini Robotics ER 1.6 Preview
gemini-robotics-er-1.6-preview
Geminigemini-robotics-er-2-preview
retiredImagen 4.0 Fast Generate 001
imagen-4.0-fast-generate-001
Geminigemini-nano-banana-2.1
retiredImagen 4.0 Generate 001
imagen-4.0-generate-001
Geminigemini-nano-banana-2.1
retiredImagen 4.0 Ultra Generate 001
imagen-4.0-ultra-generate-001
Geminigemini-nano-banana-2.1
retiredembedding-2-preview
embedding-2-preview
Geminigemini-embedding-2
retiredGPT-5.2 chat latest
gpt-5.2-chat-latest
OpenAIgpt-5.6-sol
retiredGPT-5.3 chat latest
gpt-5.3-chat-latest
OpenAIgpt-5.6-sol
retiredClaude Opus 4.1
claude-opus-4-1-20250805
Anthropicclaude-opus-4-8
retiredGemini 2.5 Computer Use Preview 10-2025
gemini-2.5-computer-use-preview-10-2025
Geminigemini-3.8-flash
retiredcomputer-use-preview
computer-use-preview-2025-03-11 +1
OpenAIgpt-5.6-terra
retiredGPT-4o mini search preview
gpt-4o-mini-search-preview-2025-03-11
OpenAIgpt-5.6-terra
retiredGPT-4o search preview
gpt-4o-search-preview-2025-03-11
OpenAIgpt-5.6-terra
retiredGPT-5.1 chat latest
gpt-5.1-chat-latest
OpenAIgpt-5.6-sol
retiredGPT-5.1 codex
gpt-5.1-codex
OpenAIgpt-5.6-sol
retiredGPT-5.1 codex max
gpt-5.1-codex-max
OpenAIgpt-5.6-sol
retiredGPT-5.1 codex mini
gpt-5.1-codex-mini
OpenAIgpt-5.6-terra
retiredGPT-5.2 codex
gpt-5.2-codex
OpenAIgpt-5.6-sol
retiredGPT-5 chat latest
gpt-5-chat-latest
OpenAIgpt-5.6-sol
retiredGPT-5 codex
gpt-5-codex
OpenAIgpt-5.6-sol
retiredgpt-audio-mini
gpt-audio-mini-2025-10-06
OpenAIgpt-audio-1.5
retiredgpt-realtime-mini
gpt-realtime-mini-2025-10-06
OpenAIgpt-realtime-2.1-mini
retiredo3-deep-research
o3-deep-research-2025-06-26 +1
OpenAIgpt-5.6-sol
retiredo4-mini-deep-research
o4-mini-deep-research-2025-06-26 +1
OpenAIgpt-5.6-sol
retiredVeo 2.0 Generate 001
veo-2.0-generate-001
Geminigemini-omni-1.1-flash or the GA models on the Gemini Enterprise Agent Platform
retiredVeo 3.0 Fast Generate 001
veo-3.0-fast-generate-001
Geminigemini-omni-1.1-flash or the GA models on the Gemini Enterprise Agent Platform
retiredVeo 3.0 Generate 001
veo-3.0-generate-001
Geminigemini-omni-1.1-flash or the GA models on the Gemini Enterprise Agent Platform
retiredGemini 3.1 Flash Image Preview
gemini-3.1-flash-image-preview
Geminigemini-nano-banana-2.1
retiredGemini 3 Pro Image Preview
gemini-3-pro-image-preview
Geminigemini-3-pro-image
retiredClaude Opus 4
claude-opus-4-20250514
Anthropicclaude-opus-4-8
retiredClaude Sonnet 4
claude-sonnet-4-20250514
Anthropicclaude-sonnet-5-5
retiredGemini 2.0 Flash
gemini-2.0-flash
Geminigemini-3.6-flash
retiredGemini 2.0 Flash 001
gemini-2.0-flash-001
Geminigemini-3.6-flash
retiredGemini 2.0 Flash Lite
gemini-2.0-flash-lite
Geminigemini-3.1-flash-lite
retiredGemini 2.0 Flash Lite 001
gemini-2.0-flash-lite-001
Geminigemini-3.1-flash-lite
retiredGemini 3.1 Flash Lite Preview
gemini-3.1-flash-lite-preview
Geminigemini-3.1-flash-lite
retireddall-e-2
dall-e-2
OpenAIgpt-image-2, gpt-image-1, or gpt-image-1-mini
retireddall-e-3
dall-e-3
OpenAIgpt-image-2, gpt-image-1, or gpt-image-1-mini
retiredGPT-4o audio preview
gpt-4o-audio-preview
OpenAIgpt-audio-1.5
retiredGPT-4o mini audio preview
gpt-4o-mini-audio-preview
OpenAIgpt-audio-mini
retiredGPT-4o mini realtime preview
gpt-4o-mini-realtime-preview
OpenAIgpt-realtime-mini
retiredGPT-4o realtime preview
gpt-4o-realtime-preview +2
OpenAIgpt-realtime-1.5
retiredGemini Robotics ER 1.5 Preview
gemini-robotics-er-1.5-preview
Geminigemini-robotics-er-2-preview
retiredClaude 3 Haiku
claude-3-haiku-20240307
Anthropicclaude-haiku-4-5-20251001
retiredGemini 2.5 Flash Lite Preview 09 2025
gemini-2.5-flash-lite-preview-09-2025
Geminigemini-3.1-flash-lite
retiredGPT-4 0125 preview
gpt-4-0125-preview +2
OpenAIgpt-5 or gpt-4.1*
retiredGPT-4 0314
gpt-4-0314
OpenAIgpt-5 or gpt-4.1*
retiredGemini 3 Pro Preview
gemini-3-pro-preview
Geminigemini-3.1-pro-preview
retiredClaude 3.5 Haiku
claude-3-5-haiku-20241022
Anthropicclaude-haiku-4-5-20251001
retiredClaude 3.7 Sonnet
claude-3-7-sonnet-20250219
Anthropicclaude-sonnet-5-5
retiredGemini 2.5 Flash Preview 09 25
gemini-2.5-flash-preview-09-25
Geminigemini-3.6-flash
retiredImagen 4.0 Generate Preview 06 06
imagen-4.0-generate-preview-06-06
Geminigemini-nano-banana-2.1
retiredImagen 4.0 Ultra Generate Preview 06 06
imagen-4.0-ultra-generate-preview-06-06
Geminigemini-nano-banana-2.1
retiredchatgpt-4o-latest
chatgpt-4o-latest
OpenAIgpt-5.1-chat-latest
retiredcodex-mini-latest
codex-mini-latest
OpenAIgpt-5-codex-mini
retiredGemini 2.5 Flash Image Preview
gemini-2.5-flash-image-preview
Geminigemini-nano-banana-2.1
retiredtext-embedding-004
text-embedding-004
Geminigemini-embedding-2
retiredClaude 3 Opus
claude-3-opus-20240229
Anthropicclaude-opus-4-8

Sources: OpenAI deprecations, Anthropic deprecations, Google deprecations. Data last changed 2026-11-02; the sources are re-checked daily and every date change is reviewed before it's published.

Act on a retirement

By provider

How to use it

  1. Filter by provider or search for the model ID you call in production, such as gpt-4o-2024-08-06.
  2. Open a model to see its replacement, breaking changes and a migration checklist.
  3. Subscribe to the calendar feed or RSS so new shutdowns and date changes reach you.

How we build this calendar

A scheduled job reads the official deprecation pages once a day, parses their tables and opens a pull request when anything changes, and a person reviews each date change before it goes live. We don't take data from third-party trackers.

  • For active Claude models, Anthropic publishes a "not sooner than" date. That's the earliest Anthropic could retire the model, so those dates stay off the calendar.
  • Google publishes the earliest possible shutdown date for Gemini API models, and the calendar labels those dates "earliest".
  • One OpenAI row often covers an alias and its snapshots, such as o3 and o3-2025-04-16. The calendar groups them into one entry.
  • Dates are for each provider's own API. Cloud platforms such as Amazon Bedrock set their own schedules.

The calendar feed gives each shutdown a stable ID, so if a provider moves a date, your calendar event moves too, with reminders 30 and 7 days before.

FAQ

Where do these retirement dates come from?

Only from the official deprecation pages of OpenAI, Anthropic and the Gemini API. A daily job re-reads them and every date change is reviewed before it’s published.

What's the difference between deprecated and retired?

A deprecated model still works but has an announced shutdown date and a recommended replacement. A retired model is shut down, and requests to it fail.

Why do Gemini dates say "earliest possible"?

Google lists the earliest date a Gemini API model might be shut down and announces the exact date later. We label those dates “earliest” on the calendar.

Do these dates apply to Amazon Bedrock, Vertex AI or Azure?

No. The dates are for each provider’s own API. Anthropic notes that Amazon Bedrock and Claude Models on Google Cloud (Google managed) set their own retirement schedules, so if you use a model through a cloud platform, check that platform’s schedule.

How do I get alerts when a model I use is deprecated?

Subscribe to the calendar feed (.ics) in Google Calendar, Apple Calendar or Outlook, which adds every shutdown with reminders 30 and 7 days before, or follow the RSS feed for new announcements and date changes.

Why isn't an active model like Claude Opus 5.5 on the calendar?

Anthropic lists active models with a “not sooner than” date. That’s the earliest Anthropic could retire the model, so it never goes on the calendar.