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Canonical AI event

Gemini-4-argon added to Model enum in v1.78.0

The latest version 1.78.0 includes the new gemini-4-argon model and fixes for automatic content continuation.

15 Oct 20261 verified claims1 sources1 observations
What happened

The official source reports this update: v1.78.0. 1.78.0 (2026-10-14) Features interactions: add gemini-4-argon to Model enum ( e10046d ) Bug Fixes fix the grounding metadata merging for automatic continuation in generate content and generate content stream ( f2e7cee ) make continuation streams retry dropped hops, stop on prompt_feedback, and keep real errors in generate_content ( 8858e04 )

Why it matters

This official update documents a development concerning v1.78.0. 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

Java Genaisubject
Continue this topic
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Evidence trail

Sources behind the event

Google Gen AI Java SDK official releasesv1.78.0
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