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Providers

Vertex

Use google-vertex/<model> with VoltAgent's model router.

Quick start​

import { Agent } from "@voltagent/core";

const agent = new Agent({
  name: "google-vertex-agent",
  instructions: "You are a helpful assistant",
  model: "google-vertex/gemini-2.0-flash",
});

Environment variables​

  • GOOGLE_VERTEX_PROJECT
  • GOOGLE_VERTEX_LOCATION
  • GOOGLE_APPLICATION_CREDENTIALS

Provider package​

@ai-sdk/google-vertex

Default base URL​

Not listed.

You can override the base URL by setting GOOGLE_VERTEX_BASE_URL.

Provider docs​

Models​

Show models (19)
  • gemini-2.0-flash
  • gemini-2.0-flash-lite
  • gemini-2.5-flash
  • gemini-2.5-flash-lite
  • gemini-2.5-flash-lite-preview-06-17
  • gemini-2.5-flash-lite-preview-09-2025
  • gemini-2.5-flash-preview-04-17
  • gemini-2.5-flash-preview-05-20
  • gemini-2.5-flash-preview-09-2025
  • gemini-2.5-pro
  • gemini-2.5-pro-preview-05-06
  • gemini-2.5-pro-preview-06-05
  • gemini-3-flash-preview
  • gemini-3-pro-preview
  • gemini-embedding-001
  • gemini-flash-latest
  • gemini-flash-lite-latest
  • openai/gpt-oss-120b-maas
  • openai/gpt-oss-20b-maas

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