SHUTDOWNS BY MONTH

AI models shutting down in December 2026

20 models from 4 providers are scheduled to shut down or retire in December 2026, including gpt-5-2025-08-07 (OpenAI, Dec 11), DeepSeek-V4-Flash-0731 (2026-07-31) (Azure, Dec 3), gemini-live-2.5-flash-native-audio (Vertex, Dec 13).

Last updated Oct 23, 2026 · Dates are the providers' own; “no earlier than” dates are marked.

Dec 3, 20261 model

Provider · route	Models and replacements	Source
AzureMicrosoft Azure / Foundry	`DeepSeek-V4-Flash-0731 (2026-07-31)`	Notice ↗

Dec 8, 20261 model

Provider · route	Models and replacements	Source
AzureMicrosoft Azure / Foundry	`gpt-chat-latest (2026-05-28)`Deadline moved from Aug 28, 2026 to Dec 8, 2026	Notice ↗

Dec 9, 20263 models

Provider · route	Models and replacements	Source
AzureMicrosoft Azure / Foundry	`gpt-4o (2024-05-13)` → `gpt-5.6-sol` `Ministral-3B@1` → `ministral-ministral-4b-instruct` `mistral-medium-2505@1` → `mistral-medium-3-5`	Notice ↗

Dec 11, 20266 models

Provider · route	Models and replacements	Source
OpenAI	`gpt-5-2025-08-07` → `gpt-5.6-sol` `gpt-5-mini-2025-08-07` → `gpt-5.6-terra` `gpt-5-nano-2025-08-07` → `gpt-5.6-luna` `gpt-5-pro-2025-10-06` → `gpt-5.6-sol (reasoning.mode: pro)` `o3-2025-04-16` → `gpt-5.6-sol` `o3-pro-2025-06-10` → `gpt-5.6-sol (reasoning.mode: pro)`	Notice ↗

Dec 13, 20261 model

Provider · route	Models and replacements	Source
VertexGoogle Cloud Vertex AI	`gemini-live-2.5-flash-native-audio` → `gemini-3.8-live`	Notice ↗

Dec 15, 20265 models

Provider · route	Models and replacements	Source
AzureMicrosoft Azure / Foundry	`Cohere-parse-v5@1` `gpt-realtime-mini (2025-12-15)`Official sources disagree on this date `tts-hd@001` `tts@001` `whisper@001`	Notice ↗

Dec 23, 20262 models

Provider · route	Models and replacements	Source
VertexGoogle Cloud Vertex AI	`gemini-2.5-flash` removal → `gemini-3.1-flash-lite` `gemini-2.5-flash-lite` removal → `gemini-3.1-flash-lite`	Notice ↗

Dec 31, 20261 model

Provider · route	Models and replacements	Source
Fish	`S1` → `s2.1-pro`	Notice ↗