Reference Source

gemini-3.1-flash-lite — Available — shutdown May 7, 2027 or later

For gemini-3.1-flash-lite, provider is Google (Vertex AI); lifecycle status is Available; shutdown / retirement date is May 7, 2027 or later, recorded from its source on 2026-09-16.

Provider
Google (Vertex AI) our reading
Model ID / API name
gemini-3.1-flash-lite verified
Lifecycle status
Available
Release date
May 7, 2026 verified
Shutdown / retirement date
May 7, 2027 or later verified
Recommended replacement
gemini-3.5-flash-lite per ai.google.dev
Platform / deployment scope
Gemini Developer API (ai.google.dev) per ai.google.dev
Sourcecloud.google.com
Verified
Review by
DatasetAI model deprecation and retirement dates by provider

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

gemini-3.1-flash-lite | May 7, 2026 | May 7, 2027 or later | |

— cloud.google.com, retrieved 2026-09-16

Where each value comes from

The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.

Release date

Model ID | Release date | Retirement date | Replacement model | gemini-3.5-flash-lite | July 21, 2026 | July 21, 2027 or later | | gemini-3.5-flash | May 19, 2026 | May 19, 2027 or later | | gemini-3.1-flash-lite | May 7, 2026 | May 7, 2027 or later | |

— all from cloud.google.com, retrieved 2026-09-16

Sources disagree

More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.

Provider

cloud.google.com says provider is Google (Vertex AI), as of 2026-09-16.

gemini-3.1-flash-lite | May 7, 2026 | May 7, 2027 or later | |

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

ai.google.dev says provider is Google (Gemini Developer API), as of 2026-09-16.

gemini-3.1-flash-lite | May 7, 2026 | May 7, 2027 | gemini-3.5-flash-lite |

https://ai.google.dev/gemini-api/docs/deprecations

Lifecycle status

cloud.google.com says lifecycle status is Available, as of 2026-09-16.

gemini-3.1-flash-lite | May 7, 2026 | May 7, 2027 or later | |

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

ai.google.dev says lifecycle status is Deprecated, as of 2026-09-16.

gemini-3.1-flash-lite | May 7, 2026 | May 7, 2027 | gemini-3.5-flash-lite |

https://ai.google.dev/gemini-api/docs/deprecations

Shutdown / retirement date

cloud.google.com says shutdown / retirement date is May 7, 2027 or later, as of 2026-09-16.

gemini-3.1-flash-lite | May 7, 2026 | May 7, 2027 or later | |

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

ai.google.dev says shutdown / retirement date is May 7, 2027, as of 2026-09-16.

gemini-3.1-flash-lite | May 7, 2026 | May 7, 2027 | gemini-3.5-flash-lite |

https://ai.google.dev/gemini-api/docs/deprecations

Sources

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