# gemini-3.8-flash-cyber — Available — shutdown No retirement date announced

For gemini-3.8-flash-cyber, provider is Google (Vertex AI); lifecycle status is Available; shutdown / retirement date is No retirement date announced, recorded from its source on 2026-09-28; source re-checked 2026-10-13.

- **Provider:** Google (Vertex AI) _(our reading, not quoted from the source)_
- **Model ID / API name:** gemini-3.8-flash-cyber _(verified: appears in the quote below)_
- **Lifecycle status:** Available
- **Release date:** September 16, 2026 _(verified: appears in its own passage below)_
- **Shutdown / retirement date:** No retirement date announced _(verified: appears in its own passage below)_

## What the source says

> gemini-3.8-flash-cyber | September 16, 2026 | No retirement date announced | |

## Where each value comes from

This source states these in separate places, so each value is shown with the passage that states it.

### Release date

> Model ID | Release date | Retirement date | Replacement model ID | gemini-4-argon-cyber-permissive | October 13, 2026 | No retirement date announced | | gemini-3.8-flash-cyber | September 16, 2026 | No retirement date announced | |

### Shutdown / retirement date

> Model ID | Release date | Retirement date | Replacement model ID | gemini-4-argon-cyber-permissive | October 13, 2026 | No retirement date announced | | gemini-3.8-flash-cyber | September 16, 2026 | No retirement date announced | |

## Source

- https://cloud.google.com/vertex-ai/generative-ai/docs/learn/model-versioning

Last verified: 2026-10-13. Review by: 2026-11-12.
Part of [AI model deprecation and retirement dates by provider](https://referencesource.org/ai-model-deprecation-and-retirement/).