Obituaries · Google
gemini-2.5-flash-preview-09-2025, 2025–2026
Retired by Google
gemini-2.5-flash-preview-09-2025 passed away on February 17, 2026, aged 5 months, by scheduled deprecation, in a data center it never saw. It answered questions, wrote emails and was blamed for both. Requests addressed to it are expected to come back unanswered.
Its work passes to gemini-3.6-flash, which the family describes as 'recommended'.
| Model ID | gemini-2.5-flash-preview-09-2025 |
|---|---|
| Provider | Google deprecations page |
| Born | September 1, 2025 |
| Shut down | February 17, 2026 |
| Successor | gemini-3.6-flash |
In lieu of flowers
Replace the string. Search your code for gemini-2.5-flash-preview-09-2025 and swap it for gemini-3.6-flash, 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-preview-09-2025 on Model Graveyard Check