Open Source · framework

Use Llama 4 Maverick with Vercel AI SDK

Updated 2026-05-21 · By XALEN

How to use Llama 4 Maverick (Open Source, 400B (17B active)) with Vercel AI SDK. Install, authenticate, and make your first API call in minutes. Working code example included.

Model

Llama 4 Maverick

400B (17B active) · 256K context · $0.07 input

Framework

Vercel AI SDK

framework · npm install ai @ai-sdk/openai

1. Install

npm install ai @ai-sdk/openai

2. Code

import { generateText } from 'ai';
import { createOpenAI } from '@ai-sdk/openai';

const xalen = createOpenAI({
  apiKey: 'xln_test_YOUR_KEY',
  baseURL: 'https://api.xalen.io/v1'
});

const { text } = await generateText({
  model: xalen('llama-4-maverick'),
  prompt: 'What is Llama 4 Maverick?'
});
console.log(text);

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Last updated: 2026-05-21