Product

Colossus Supercomputer

by xAI (Grok) · AI Compute Infrastructure

What it does

xAI's GPU (Graphics Processing Unit) supercomputer cluster in Memphis, Tennessee used to train and serve Grok models; capacity also leased externally (e.g., to Anthropic).

Key features

  • ~200,000 GPUs deployed by late 2024 (reported)
  • Scaling plans toward 1 million GPUs
  • Houses training for the Grok 4.x and Grok 5 model families
  • Tesla battery energy storage on-site

Integrations

Nvidia GPUsTesla Megapack energy storage