First 100,000-GPU training cluster
2024-09xAI (Colossus)
xAI brought its Colossus cluster in Memphis online with ~100,000 H100 GPUs (~150 MW), built in months — the first single cluster at six-figure GPU scale.
All actors 
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xAI
Profile
Elon Musk's AI company; builds the Grok models and the large Colossus GPU cluster.
Editorial profile — compiled by us from public sources.
- Founded
- 2023
- Headquarters
- Palo Alto, CA, US
- Funding raised
- $42.0B
Current standings
Standings and milestones are always verified by us against primary sources, regardless of who manages the profile.
Roadmap & milestones
Gigawatt-class cluster online
2025xAI (Colossus)
Colossus scaled to ~200,000 GPUs and gigawatt-class power as GB200 racks came online — the first single site to approach 1 GW of AI compute.
