timetobail
My stack

Playbook for makers · Forced move · free while in beta

Act

Gemini API: old Deep Research agent shuts down October 23, 2026

Readers can stay on Gemini Developer API: they change a setting or plan. Help the ones who would rather leave.

5 days left · October 23, 2026 · Public page

Medium switching pressure50/100

An estimate from the deadline, cost, discussion and need to move. It is not a product rating.

What goes into it

Confidence: medium.

deadline30/30
money14/25
attention0/25
audience0/12
force6/8
  • Hard deadline in 5 days.
  • The change is forced: it reaches users even if they wait.

  1. 1 Related discussions

    Only threads tied to this event that talk about leaving, moving or prices. Saved, not live. Check the date and read the thread before replying.

    No live threads yet.

  2. 2 What people ask

    No common questions yet.

  3. 3 Reply templates

    Answer the question first. Link only if it helps. Always keep the disclosure line. Never post the same text twice.

    Helpful first
    Sorry you have to deal with this. You can stay on Gemini Developer API. Here is what to change before October 23, 2026:

1. Find the old agent. Search your code for deep-research-pro-preview-12-2025.
2. Change the agent name. Do it in interactions.create. Pick deep-research-preview-04-2026 for speed. Pick the max one for depth.
3. Test one run. Check the report and the cost before October 23.

If they would rather leave, describe a verified way <your product> can help: <your link>
[Disclosure: I build <your product>.]
    Short answer
    You have until October 23, 2026. You can stay on Gemini Developer API. First: find the old agent. Then change the agent name.
Happy to help if you get stuck.
[Disclosure: I build <your product>.]

  4. 4 Switch-page builder

    Create a draft “Switch from Gemini Developer API” page. Add your product, review every claim, then copy HTML or Markdown. Your product claims need your own evidence.

    • Add your product name to replace “Your product”.
    Preview

    Switch from Gemini Developer API to Your product

    Gemini API: deep-research-pro-preview-12-2025 agent: a change is due by October 23. You can stay on Gemini Developer API. If you would rather leave, here is how to move to Your product.

    What changes at Gemini Developer API

    Google shuts down an old Deep Research agent in the Gemini API on October 23, 2026. Two newer agents take its place.

    • Shutdown date: October 23, 2026 (Google)
    • Agent that shuts down: deep-research-pro-preview-12-2025 (Google)
    • Replacement for speed: deep-research-preview-04-2026, built to stream back to a client UI (Google)
    • Replacement for depth: deep-research-max-preview-04-2026, for the most complete research (Google)
    • Newer agents: Two: deep-research-preview-04-2026 and deep-research-max-preview-04-2026 (Google)
    • What to change: The agent parameter in your interactions.create requests (Google)
    • Announced: October 8, 2026 (Google)
    • After shutdown: The agent is turned off and its endpoint is no longer available (Google)
    • Apps that call this agent: Stop working on October 23, 2026 (Google)

    You can stay on Gemini Developer API if you make the change. This page is for people who would rather leave.

    What Your product gives you

    Write two or three short lines here. Say what Your product does, who it is for, and what it costs. Use only facts you can show.

    How to move from Gemini Developer API to Your product

    1. Save what you need from Gemini Developer API. Keep a copy before you cancel anything.
    2. Import into Your product. Say which files you accept and how long an import takes.

    Tell readers the key date: October 23, 2026.

    Questions people ask

    If Your product has a direct answer to one of these, add it here. Keep it short and true.

    How to help new users settle in

    Send one short email. Say what changed, where to find you now, and what they need to do. 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.

    Sources

  5. 5 Search ideas to validate

    suggested, not measured Phrases people may search when a tool changes like this. We have no search volume data for them.

    • gemini api: deep-research-pro-preview-12-2025 agent
    • gemini developer api alternative
    • gemini developer api alternatives
    • gemini developer api export
    • how to leave gemini developer api
    • switch from gemini developer api
    • gemini developer api migration
    • gemini developer api migration 2026