Skip to main content
Providers

FastRouter

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

Quick start​

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

const agent = new Agent({
  name: "fastrouter-agent",
  instructions: "You are a helpful assistant",
  model: "fastrouter/anthropic/claude-opus-4.1",
});

Environment variables​

  • FASTROUTER_API_KEY

Provider package​

@ai-sdk/openai-compatible

This provider uses the OpenAI-compatible adapter.

Default base URL​

https://go.fastrouter.ai/api/v1

You can override the base URL by setting FASTROUTER_BASE_URL.

Provider docs​

Models​

Show models (14)
  • anthropic/claude-opus-4.1
  • anthropic/claude-sonnet-4
  • deepseek-ai/deepseek-r1-distill-llama-70b
  • google/gemini-2.5-flash
  • google/gemini-2.5-pro
  • moonshotai/kimi-k2
  • openai/gpt-4.1
  • openai/gpt-5
  • openai/gpt-5-mini
  • openai/gpt-5-nano
  • openai/gpt-oss-120b
  • openai/gpt-oss-20b
  • qwen/qwen3-coder
  • x-ai/grok-4

Table of Contents