---
title: Vertex (Anthropic)
---

<!-- THIS FILE IS AUTO-GENERATED BY website/scripts/generate-model-docs.js. DO NOT EDIT MANUALLY. -->

# Vertex (Anthropic)

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

## Quick start

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

const agent = new Agent({
  name: "google-vertex-anthropic-agent",
  instructions: "You are a helpful assistant",
  model: "google-vertex-anthropic/claude-3-5-haiku@20241022",
});
```

## 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_ANTHROPIC_BASE_URL`.

## Provider docs

- https://cloud.google.com/vertex-ai/generative-ai/docs/partner-models/claude

## Models

<details>
  <summary>Show models (9)</summary>

- claude-3-5-haiku@20241022
- claude-3-5-sonnet@20241022
- claude-3-7-sonnet@20250219
- claude-haiku-4-5@20251001
- claude-opus-4-1@20250805
- claude-opus-4-5@20251101
- claude-opus-4@20250514
- claude-sonnet-4-5@20250929
- claude-sonnet-4@20250514

</details>
