gemini-3.1-flash-lite
Gemini 3.1 Flash-Lite (Vertex AI) (Vertex AI)
No — Gemini 3.1 Flash-Lite (Vertex AI) is not deprecated as of August 21, 2026. Vertex AI has not deprecated it, but publishes May 7, 2027 (in 238 days) as the earliest date it could be retired.
The current low-cost workhorse on Vertex AI. Google guarantees availability for at least 12 months from release, so the published retirement date is a floor ("May 7, 2027 or later") rather than a commitment — it is active, with no firm shutdown to plan around yet.
The facts
| Provider | Vertex AI |
|---|---|
| Model id | gemini-3.1-flash-lite |
| Released | May 7, 2026 |
| Deprecated | not deprecated |
| Shutdown (earliest) |
May 7, 2027
·
The provider publishes this as the earliest date the model could be retired, not a commitment. It may move later, but not earlier. |
| Status | Shutdown scheduled |
| Last verified | August 21, 2026 |
Frequently asked questions
- When will Vertex AI Gemini 3.1 Flash-Lite (Vertex AI) shut down?
- Vertex AI Gemini 3.1 Flash-Lite (Vertex AI) is scheduled to shut down on May 7, 2027, in 238 days. Vertex AI publishes this as the earliest possible retirement date rather than a firm commitment, so it may move later — but not earlier.
- Is Vertex AI Gemini 3.1 Flash-Lite (Vertex AI) still available?
- Yes. Vertex AI Gemini 3.1 Flash-Lite (Vertex AI) is active and fully supported as of August 21, 2026.
Models that migrate here
Vertex AI names Gemini 3.1 Flash-Lite (Vertex AI) as the replacement for 2 models.
Sources
- Vertex AI model versions and lifecycle · docs.cloud.google.com · accessed August 21, 2026
Found something wrong? The data is one YAML file — edit it on GitHub.
This page, for machines
Drop the badge in a README so it turns red the day this model is retired:
[](https://modeldeprecations.dev/vertex/gemini-3.1-flash-lite)