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No date in the announcement Gemini API release notes · Google Gemini

Gemini 3.5 Flash deprecation

Gemini API release notes announced it on 8 Oct 2026; its title names no date, so check the announcement for one.

The announcement
9Other records about it

Everything collected about it

Matched by product and title; check each before relying on it
  1. 20 Oct 2025 Product newsDeprecation announcement: Shut down for gemini-2.0-flash-live-001 and gemini-live-2.5-flash-preview coming December 09, 2025.
  2. 4 Nov 2025 Product newsDeprecation announcement: The following models will be shut down: November 18th: gemini-2.5-flash-lite-preview-06-17 gemini-2.5-flash-preview-05-20 December 2nd: gemini-…
  3. 11 Nov 2025 Product newsDeprecation announcement: The following models will be shut down: November 12: veo-3.0-fast-generate-preview veo-3.0-generate-preview November 14: gemini-2.0-flash-exp-i…
  4. 4 Dec 2025 Product newsDeprecation announcement: The gemini-2.5-flash-image-preview model will be shut down January 15, 2026.
  5. 15 Jan 2026 Product newsDeprecation announcement: The following models will be shut down February 17, 2026: gemini-2.5-flash-preview-09-25 imagen-4.0-generate-preview-06-06 imagen-4.0-ultra-gen…
  6. 18 Feb 2026 Product newsDeprecation announcement: The following models will be shut down June 1, 2026: gemini-2.0-flash gemini-2.0-flash-001 gemini-2.0-flash-lite gemini-2.0-flash-lite-001
  7. 10 Mar 2026 Product newsDeprecation announcement: The gemini-2.5-flash-lite-preview-09-2025 model will be shut down on March 31, 2026.
  8. 7 May 2026 Product newsDeprecation announcement: The gemini-3.1-flash-lite-preview model is deprecating on 5/11/26 and will be shut down on May 25, 2026.
  9. 28 May 2026 Product newsDeprecation announcement: The gemini-3.1-flash-image-preview and gemini-3-pro-image-preview models are deprecated and will be shut down on June 25, 2026.
  10. 8 Oct 2026 Announced · Gemini API release notesGemini 3.5 Flash deprecation

Other retirements in Google Gemini

Lifecycle

What changed

First observed 14 Oct 2026

No field changes in the recorded history.

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  • Lifecycle: every end of support and retirement ahead.
ChangeIntel

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Sources read 14 Oct 11:21 UTC · 251 of 253 readable · 250 fully read · documentation 0/409 current

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