Model and API retirements

Within 30 days64Firm dates ahead558

64 within 30 days · 558 firm dates ahead

imagen-4.0-ultra-generate-preview-06-06 retirement date and replacement

Gemini API · Model · retired Feb 17, 2026 (retired)

Vendor page

Dates

Checked Nov 2, 2026 on Google's page
RetiredFeb 17, 2026 (retired)
Replacementgemini-nano-banana-2.1
What it isimagen-4.0-ultra-generate-preview-06-06 stopped answering on Gemini API.
Sourceai.google.dev/gemini-api/docs/deprecations

Changes

ReplacementUnverified

Google changed the replacement for imagen-4.0-ultra-generate-preview-06-06 from imagen-4.0-ultra-generate-001 to gemini-nano-banana-2.1.

Oct 20Source

Around the same time on Gemini API

Google
Gemini APIModel

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retiredJan 14
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gemini-2.5-flash-image-preview

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retiredJan 15
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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
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gemini-3-pro-preview

Stopped answering on Gemini API.

retiredMar 9
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gemini-2.5-flash-lite-preview-09-2025

Stopped answering on Gemini API.

retiredMar 31