Model and API retirements

Within 30 days64Firm dates ahead558

64 within 30 days · 558 firm dates ahead

gemini-2.5-flash-lite-preview-09-2025 retirement date and replacement

Gemini API · Model · retired Mar 31, 2026 (retired)

Vendor page

Dates

Checked Nov 2, 2026 on Google's page
RetiredMar 31, 2026 (retired)
Replacementgemini-3.1-flash-lite
What it isgemini-2.5-flash-lite-preview-09-2025 stopped answering on Gemini API.
Sourceai.google.dev/gemini-api/docs/deprecations

Around the same time on Gemini API

Google
Gemini APIModel

gemini-2.5-flash-preview-09-25

Stopped answering on Gemini API.

retiredFeb 17
Gemini APIModel

imagen-4.0-generate-preview-06-06

Stopped answering on Gemini API.

retiredFeb 17
Gemini APIModel

imagen-4.0-ultra-generate-preview-06-06

Stopped answering on Gemini API.

retiredFeb 17
Gemini APIModel

gemini-3-pro-preview

Stopped answering on Gemini API.

retiredMar 9
Gemini APIModel

gemini-robotics-er-1.5-preview

Stopped answering on Gemini API.

retiredApr 30