Obituaries · Google
gemini-2.5-flash-lite-preview-09-2025, 2025–2026
Google model switched off after 6 months
Google has confirmed the retirement of gemini-2.5-flash-lite-preview-09-2025, effective March 31, 2026, aged 6 months. It answered questions, wrote emails and was blamed for both. Code that still calls it will find out the hard way.
Survived by gemini-3.1-flash-lite, younger, cheaper, and named in the same documentation table.
| Model ID | gemini-2.5-flash-lite-preview-09-2025 |
|---|---|
| Provider | Google deprecations page |
| Born | September 1, 2025 |
| Shut down | March 31, 2026 |
| Successor | gemini-3.1-flash-lite |
In lieu of flowers
Replace the string. Search your code for gemini-2.5-flash-lite-preview-09-2025 and swap it for gemini-3.1-flash-lite, or paste a repo into Model Graveyard Check to find every dead model at once.
Want to say something to it? Leave a letter on the farewell wall.
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Technical notice, with a code scanner: gemini-2-5-flash-lite-preview-09-2025 on Model Graveyard Check