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Canonical AI event

Vertex AI support added to Responses API in version 4.89.0

Vertex AI support added to the Responses API in v4.89.0.

21 Oct 20261 verified claims1 sources1 observations
What happened

The official source reports this update: v4.89.0. 4.89.0 (2026-10-21) Features add Vertex AI support for the Responses API ( #1256 ) ( dc3546f ) Chores api: preserve environment creation idempotency ( #1260 ) ( da2a49c ) api: preserve Java compatibility helpers ( #1257 ) ( 954cee7 ) api: preserve Java model compatibility ( #1259 ) ( da98b6b )

Why it matters

This official update documents a development concerning v4.89.0. Its practical significance depends on the scope and evidence stated by the source.

What to watch next

Read the official source update and verify its stated scope, evidence and timing before acting on it.

Connected knowledge

Entities affected by this event

Openai Javasubject
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Evidence trail

Sources behind the event

OpenAI Java SDK releasesv4.89.0
Editorial presentation

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