# Google Gemini 3.1 Flash-Lite — deprecation status

> No — Gemini 3.1 Flash-Lite is not deprecated as of July 30, 2026. Google has not deprecated it, but publishes May 7, 2027 (in 281 days) as the earliest date it could be retired. Google points new work at Gemini 3.5 Flash-Lite.

The Flash-Lite of the 3.1 generation, and the model Google names as the replacement for the 2.0 and 2.5 Lite tiers. It is not deprecated, but Google has already published May 2027 as the earliest date it could be retired.

## Facts

| Field | Value |
| --- | --- |
| Provider | Google |
| Model id | `gemini-3.1-flash-lite` |
| Status | Active |
| Released | May 7, 2026 |
| Shutdown (earliest) | May 7, 2027 (in 281 days) |
| Last verified | July 30, 2026 |

## Replacement

- **Gemini 3.5 Flash-Lite** (`gemini-3.5-flash-lite`) · recommended — https://modeldeprecations.dev/google/gemini-3.5-flash-lite
  - Named as the eventual successor. No action is needed yet — this model is current and fully supported.
  - Parameters it accepts: https://modelparams.dev/models/google/gemini-3.5-flash-lite

```diff
- "model": "gemini-3.1-flash-lite"
+ "model": "gemini-3.5-flash-lite"
```

## FAQ

### When will Google Gemini 3.1 Flash-Lite shut down?

Google Gemini 3.1 Flash-Lite is scheduled to shut down on May 7, 2027, in 281 days. Google publishes this as the earliest possible retirement date rather than a firm commitment, so it may move later — but not earlier.

### What replaces Google Gemini 3.1 Flash-Lite?

Google recommends Gemini 3.5 Flash-Lite (`gemini-3.5-flash-lite`) as the replacement for Google Gemini 3.1 Flash-Lite. Named as the eventual successor. No action is needed yet — this model is current and fully supported.

### Is Google Gemini 3.1 Flash-Lite still available?

Yes. Google Gemini 3.1 Flash-Lite is active and fully supported as of July 30, 2026.

### How do I migrate from Google Gemini 3.1 Flash-Lite to gemini-3.5-flash-lite?

Swap the model id in your API call: replace "gemini-3.1-flash-lite" with "gemini-3.5-flash-lite". Named as the eventual successor. No action is needed yet — this model is current and fully supported.

## Sources

- [Gemini API deprecations](https://ai.google.dev/gemini-api/docs/deprecations) — accessed 2026-07-30

---

Canonical page: https://modeldeprecations.dev/google/gemini-3.1-flash-lite
JSON: https://modeldeprecations.dev/api/v1/models/google/gemini-3.1-flash-lite.json