# gemini-3.1-flash-lite-preview

Calls to the model gemini-3.1-flash-lite-preview on Gemini API stopped working on May 25, 2026.

- API: Gemini API (generativelanguage.googleapis.com)
- Model: gemini-3.1-flash-lite-preview
- Kind: Model retirement
- Takes effect: May 25, 2026
- Calls after that day: fail
- Calls it hits: `model gemini-3.1-flash-lite-preview`
- Source: [Deprecations page](https://ai.google.dev/gemini-api/docs/deprecations)
- Page: https://www.okapi.bot/models/gemini-api/gemini-3.1-flash-lite-preview/

## What to use instead

Move to gemini-3.5-flash-lite. gemini-3.1-flash-lite, named first, stops working on 2027-05-07.