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Gemini Developer API · Forced move · Tracked since October 17, 2026 · Sources checked Oct 17

Time to bail on Gemini API: Veo 3.1 previews and Omni Flash preview?

Time to Bail · Boarding pass

FromGemini API: Veo 3.1 previews and Omni Flash preview
ToYour pick

Act. You can stay.

These preview video models shut down October 22, 2026. Move to gemini-omni-1.1-flash first.[1]

Act means: change a setting or plan before the date. You can stay.

Gate closes
Shutdown date
Time left
4days
Status
Act

Gemini API Veo 3.1 and Omni Flash previews end October 22, 2026

Google shuts down three Veo 3.1 preview models and the Omni Flash preview in the Gemini API on October 22, 2026. Its pick for all four is gemini-omni-1.1-flash.

Email me the day before Oct 22

One email with the first steps. Nothing else.

We email you one link to confirm (double opt-in). Nothing starts until you click it. Unsubscribe any time. How we use your email.

Or add the date to your calendar: Apple or Outlook (.ics) · Google Calendar

How it is winding down

  1. Aug 27gemini-omni-1.1-flash generally availableDone
  2. Sep 30Omni Flash preview deprecation date Google gaveDone
  3. Oct 22Shutdown dateNext

What to do before October 22

Tick steps as you go. Your progress stays in this browser.

  1. Find your video calls

    Search your code for model names that start with veo-3.1 and end with preview. Look for gemini-omni-flash-preview too.

  2. Switch to gemini-omni-1.1-flash

    Google lists it for all four. Read its Omni guide first.

  3. Test a few videos first

    Check quality, length and cost before October 22.

Email me the day before Oct 22

One email with the first steps. Nothing else.

We email you one link to confirm (double opt-in). Nothing starts until you click it. Unsubscribe any time. How we use your email.

Or add the date to your calendar: Apple or Outlook (.ics) · Google Calendar

Facts we checked

Facts and their sources
Shutdown dateOctober 22, 2026[1]
Models that shut downveo-3.1-generate-preview, veo-3.1-fast-generate-preview, veo-3.1-lite-generate-preview, gemini-omni-flash-preview (three Veo 3.1 previews and the Omni Flash preview)[1]
Replacementgemini-omni-1.1-flash for all four[1]
gemini-omni-1.1-flash generally availableAugust 27, 2026[2]
Omni Flash preview deprecation date Google gaveSeptember 30, 2026[2]
How firm is the date?Google lists the earliest possible date and says it will confirm the exact date in advance[1]
After shutdownThe model is turned off and its endpoint is no longer available[1]
Apps that call these previewsStop working once they shut down on October 22, 2026[1]

After October 22, 2026 you will see

Calls to the Veo 3.1 previews and to gemini-omni-flash-preview stop working. Google says a shut-down model is turned off.

Fix

  1. Change the model to gemini-omni-1.1-flash.
  2. Check the Gemini API deprecations page for other dates.

Source: [1] Gemini API deprecations (Google)

Sources

Check it yourself. Every fact above links here.

  1. Gemini API deprecations Google · primary · checked Oct 17
  2. Gemini API release notes Google · primary · checked Oct 17
Read the published editorial report

What changed

Time to bail on Gemini API: Veo 3.1 previews and Omni Flash preview? Act. You can stay. These preview video models shut down October 22, 2026. Move to gemini-omni-1.1-flash first.

On our scale this is Act: change a setting or plan before the date. You can stay.

Google shuts down three Veo 3.1 preview models and the Omni Flash preview in the Gemini API on October 22, 2026. Its pick for all four is gemini-omni-1.1-flash.

Here are the facts we checked:

  • Shutdown date: October 22, 2026 (Google)
  • Models that shut down: veo-3.1-generate-preview, veo-3.1-fast-generate-preview, veo-3.1-lite-generate-preview, gemini-omni-flash-preview (three Veo 3.1 previews and the Omni Flash preview) (Google)
  • Replacement: gemini-omni-1.1-flash for all four (Google)
  • gemini-omni-1.1-flash generally available: August 27, 2026 (Google)
  • Omni Flash preview deprecation date Google gave: September 30, 2026 (Google)
  • How firm is the date?: Google lists the earliest possible date and says it will confirm the exact date in advance (Google)
  • After shutdown: The model is turned off and its endpoint is no longer available (Google)
  • Apps that call these previews: Stop working once they shut down on October 22, 2026 (Google)

You can stay on Gemini Developer API. You have to change a setting or plan before the date.

Leaving is a choice here, not a must.

Google is the main source for this page. Gemini Developer API has not said more than what is listed here. If a fact is not on this page, we do not know it yet.

Who is affected

Apps that call these previews: Stop working once they shut down on October 22, 2026.

The date to remember is October 22, 2026. Make the change before then.

What to do before October 22

  1. Find your video calls. Search your code for model names that start with veo-3.1 and end with preview. Look for gemini-omni-flash-preview too.
  2. Switch to gemini-omni-1.1-flash. Google lists it for all four. Read its Omni guide first.
  3. Test a few videos first. Check quality, length and cost before October 22.

A few tips:

  • Make the change yourself before the date. Do not wait for the last reminder email.
  • Write down your current plan or settings first, so you can compare after the change.
  • After the change, open your settings again and check that it worked.

How to tell your users

If the change affects your members or team, send one short email. Say what changes for them and when. Put the most important line first.

If there is a date, send a short reminder a few days before it. Keep a copy of the list you sent it to.

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