# Vertex AI Gemini 3.1 Flash-Lite (Vertex AI) — deprecation status

> 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.

## Facts

| Field | Value |
| --- | --- |
| Provider | Vertex AI |
| Model id | `gemini-3.1-flash-lite` |
| Status | Active |
| Released | May 7, 2026 |
| Shutdown (earliest) | May 7, 2027 (in 238 days) |
| Last verified | August 21, 2026 |

## FAQ

### 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.

## Sources

- [Vertex AI model versions and lifecycle](https://docs.cloud.google.com/gemini-enterprise-agent-platform/models/model-versions) — accessed 2026-08-21

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Canonical page: https://modeldeprecations.dev/vertex/gemini-3.1-flash-lite
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