xAI (Grok models) API

120 AI Chat lets you connect your own xAI API key for Grok models.

API Key Setup Guide

  1. Visit x.ai.

  2. In your account, generate an API key.

  3. In 120 AI Chat → Settings → AI Providers, paste your key into the xAI Key field.

    💡 Billing is managed directly by xAI.

Example pricing (Sep 2025):

  • Grok-4 (0709): $3.00 / 1M input tokens, $15.00 / 1M output tokens.

  • Grok Code Fast 1: $0.20 / 1M input tokens, $1.50 / 1M output tokens.

    See the latest pricing at xAI Pricing.