Gemini API · Model retirement
gemini-3.1-flash-lite-preview
Stopped working
Calls to the model gemini-3.1-flash-lite-preview on Gemini API stopped working on May 25, 2026.
What to use instead of gemini-3.1-flash-lite-preview
Move to gemini-3.5-flash-lite. gemini-3.1-flash-lite, named first, stops working on 2027-05-07.
Facts
- 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
- Source
- Deprecations page
- Last updated
gemini-3.1-flash-lite-preview on other APIs
- ZenMux Deprecated, no date
More from Gemini API
- gemini-2.0-flash Stopped working
- gemini-2.0-flash-001 Stopped working
- gemini-2.0-flash-lite Stopped working
- gemini-2.0-flash-lite-001 Stopped working
- gemini-robotics-er-1.5-preview Stopped working
- gemini-3-pro-image-preview Stopped working