Time to Bail · Boarding pass
Act. You can stay.
Gemini-3.6-flash retires November 19, 2026. Move to gemini-3.8-flash first.[1]
Act means: change a setting or plan before the date. You can stay.
Gemini 3.6 Flash retires on Vertex AI on November 19, 2026
Google retires gemini-3.6-flash on Vertex AI on November 19, 2026. Vertex AI is now called Agent Platform. Google says to use gemini-3.8-flash next.
One email with the first steps. Nothing else.
Or add the date to your calendar: Apple or Outlook (.ics) · Google Calendar
Tick steps as you go. Your progress stays in this browser.
Search your Vertex AI code and settings for gemini-3.6-flash.
Google lists it as the upgrade. Its date is September 2, 2027 or later.
Run your usual prompts. Check output format, speed and cost before November 19.
One email with the first steps. Nothing else.
Or add the date to your calendar: Apple or Outlook (.ics) · Google Calendar
| Retirement date | November 19, 2026[1] |
|---|---|
| Model | gemini-3.6-flash (released July 21, 2026)[1] |
| Replacement | gemini-3.8-flash[1] |
| Why so soon? | It is a short-term model; Google gives at least 45 days to move once it sets a date[1] |
| Retirement date of the replacement | gemini-3.8-flash: September 2, 2027 or later[1] |
| Gemini API (not Vertex AI) | gemini-3.6-flash: no shutdown date announced[2] |
| Can the date move earlier? | No. Google says dates may be extended, but not moved earlier[1] |
| What Google calls Vertex AI now | Gemini Enterprise Agent Platform (Agent Platform for short)[1] |
| Apps that call gemini-3.6-flash on Vertex AI | Must move to another model by November 19, 2026[1] |
Calls to gemini-3.6-flash fail with errors, because the model is retired.
gemini-3.8-flash.Source: [1] Model versions and lifecycle (Google Cloud)
Check it yourself. Every fact above links here.
Time to bail on Gemini 3.6 Flash on Vertex AI? Act. You can stay. Gemini-3.6-flash retires November 19, 2026. Move to gemini-3.8-flash first.
On our scale this is Act: change a setting or plan before the date. You can stay.
Google retires gemini-3.6-flash on Vertex AI on November 19, 2026. Vertex AI is now called Agent Platform. Google says to use gemini-3.8-flash next.
Here are the facts we checked:
You can stay on Gemini Enterprise Agent Platform. You have to change a setting or plan before the date.
Leaving is a choice here, not a must.
Google Cloud is the main source for this page. Gemini Enterprise Agent Platform has not said more than what is listed here. If a fact is not on this page, we do not know it yet.
Apps that call gemini-3.6-flash on Vertex AI: Must move to another model by November 19, 2026.
The date to remember is November 19, 2026. Make the change before then.
A few tips:
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.
Listed for convenience. Not ranked. Not paid. These names come up in threads and reviews; that does not show where people moved.
Before you pay, check the price page of each tool yourself. Prices change, and we only list what our sources say.
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Arrivals · for builders
People on Gemini 3.6 Flash on Vertex AI can stay if they make the change. Some would rather leave. Get the playbook for this change, and list your product here.
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One email on Mondays: the gates in the next 14 days, with the first step for each.