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answer: direct
beat: developer-tools
source: 1 article · updated: November 6, 2026
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Does the new API version default affect Vertex AI clients?

Google's release notes say the default change does not affect Gemini Enterprise or Vertex AI clients, which continue to use v1beta1 unless configured otherwise.

Answered in

Google’s Gen AI Python SDK 3.0 Changes Three Defaults. Check Before You Upgrade

Google Gen AI Python SDK 3.0 changes the API default, HTTP client and one result type. Here is what Gemini developers should check before upgrading.

Crashtech Editorial November 6, 2026 Developer Tools

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