Grok Build 0.1

xAI
Code

xAI's Grok coding-focused model. Tuned for code generation and software development tasks with a 256k token context window for working over large codebases.

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TL;DR·Last updated June 24, 2026

Grok Build 0.1 is code AI model from xAI, priced at €1.00 per 1M input tokens with a 256K tokens context window.

Try Grok Build 0.1
Direct API access coming soon

Pricing

Price per Generation
Per generationFree

API Integration

Use our OpenAI-compatible API to integrate Grok Build 0.1 into your application.

Install
npm install railwail
JavaScript / TypeScript
import railwail from "railwail";

const rw = railwail("YOUR_API_KEY");

// Simple — just pass a string
const reply = await rw.run("grok-build-0-1", "Hello! What can you do?");
console.log(reply);

// With message history
const reply2 = await rw.run("grok-build-0-1", [
  { role: "system", content: "You are a helpful assistant." },
  { role: "user", content: "Explain quantum computing simply." },
]);
console.log(reply2);

// Full response with usage info
const res = await rw.chat("grok-build-0-1", [
  { role: "user", content: "Hello!" },
], { temperature: 0.7, max_tokens: 500 });
console.log(res.choices[0].message.content);
console.log(res.usage);
Specifications
Context window
256,000 tokens
Max output
16,384 tokens
Developer
xAI
Category
Code
Supported Formats
text
Tags
xai
grok
code
coding
long-context

Frequently asked questions

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