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Providers

Anthropic

Use anthropic/<model> with VoltAgent's model router.

Quick start​

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

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

Environment variables​

  • ANTHROPIC_API_KEY

Provider package​

@ai-sdk/anthropic

Default base URL​

Not listed.

You can override the base URL by setting ANTHROPIC_BASE_URL.

Provider docs​

Models​

Show models (21)
  • claude-3-5-haiku-20241022
  • claude-3-5-haiku-latest
  • claude-3-5-sonnet-20240620
  • claude-3-5-sonnet-20241022
  • claude-3-7-sonnet-20250219
  • claude-3-7-sonnet-latest
  • claude-3-haiku-20240307
  • claude-3-opus-20240229
  • claude-3-sonnet-20240229
  • claude-haiku-4-5
  • claude-haiku-4-5-20251001
  • claude-opus-4-0
  • claude-opus-4-1
  • claude-opus-4-1-20250805
  • claude-opus-4-20250514
  • claude-opus-4-5
  • claude-opus-4-5-20251101
  • claude-sonnet-4-0
  • claude-sonnet-4-20250514
  • claude-sonnet-4-5
  • claude-sonnet-4-5-20250929

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