Google Cloud
Vertex AI Extensions switched off after November 26, 2026
19 days left — Nov 26, 2026
- What stops working
- Google's managed tool-calling framework for Gemini (Vertex AI Extensions) is deprecated with a six-month window and switched off after November 26, 2026.
- Who is affected
- Gemini apps on Vertex AI that call tools through Extensions.
- Official migration path
- Google points to the Agent Platform.
- What the official path does not cover
- Extension definitions and auth bindings must be rebuilt on the replacement; no converter is listed.
- Source
- Google Cloud deprecation notice, as summarised by killedbyai.net — verify on the Vertex AI deprecations page · announced 2026-05 · verified 2026-11-07
Need this done before Nov 26, 2026?
Fixed price, fixed scope, fixed date. From $2,500 for a single integration or workflow; you get the working replacement, the code, and a before/after check. Quote within one business day.
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