SHUTDOWNS BY MONTH

AI models shutting down in May 2027

9 models from 2 providers are scheduled to shut down or retire in May 2027, including gemini-3.1-flash-lite (Google, May 7), gpt-5.1-codex-mini (2025-11-13) (Azure, May 15).

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

May 7, 20271 model

Provider · route	Models and replacements	Source
Google	`gemini-3.1-flash-lite` → `gemini-3.5-flash-lite`Earliest possible date; the provider may stop it later	Notice ↗

May 15, 20273 models

Provider · route	Models and replacements	Source
AzureMicrosoft Azure / Foundry	`gpt-5.1-codex-mini (2025-11-13)` `gpt-5.1-codex (2025-11-13)` `gpt-5.1 (2025-11-13)`	Notice ↗

May 18, 20272 models

Provider · route	Models and replacements	Source
AzureMicrosoft Azure / Foundry	`gpt-5.1-codex-max (2025-12-04)` `gpt-chat-latest (2026-10-07)`	Notice ↗

May 19, 20272 models

Provider · route	Models and replacements	Source
AzureMicrosoft Azure / Foundry	`grok-4-1-fast-non-reasoning@1` `grok-4-1-fast-reasoning@1`	Notice ↗

May 20, 20271 model

Provider · route	Models and replacements	Source
AzureMicrosoft Azure / Foundry	`model-router (2025-11-18)`	Notice ↗