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From Vertex's own documentation (docs.cloud.google.com), quoted on this page. ModelClock rechecks it on every collection; last checked Oct 23, 2026.

Vertex · Google Cloud Vertex AI · LLM

Gemini 3.8 Flash

Capability changeCapability change announced Sep 29, 2026

Provider-recommended replacement: Gemini 3.5 Flash

Capability change announced Sep 29, 2026 for Gemini 3.8 Flash on Vertex. Source: docs.cloud.google.com · Last checked Oct 23, 2026

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Notice

Capability change

Capability change announced Sep 29, 2026

Vertex documents a capability change: “Gemini Enterprise: New data stores (Preview) The following data stores are available in Gemini Enterprise: Feature Gemini Enterprise: Gemini 3.8 Flash is…”

Hosting route: Google Cloud Vertex AI
Affected scope: Gemini Enterprise
Replacement: Gemini 3.5 Flash
Announced: Sep 29, 2026
First seen by ModelClock: Oct 15, 2026

What the provider published

docs.cloud.google.com ↗

Gemini Enterprise: New data stores (Preview)

The following data stores are available in Gemini Enterprise:

Feature Gemini Enterprise: Gemini 3.8 Flash is the default model for AlphaEvolve

AlphaEvolve experiments can now generate candidate programs with Gemini 3.7 Flash and Gemini 3.8 Flash. Gemini 3.8 Flash is the default model AlphaEvolve uses when you do not explicitly specify a model, replacing Gemini 3.5 Flash. To use a different model, specify the one you want in the models field of generationSettings.

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