Development

Cooling, not chips, delays Colossus 2 to May

development2026-01-24

Claim

xAI's Colossus 2 will not reach a gigawatt until May because it lacks the cooling capacity to run 550,000 Blackwell GPUs.

Reported metric: 550,000 GPUs

Reporting date: 2026-01-24 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

Welcome to January 24, 2026 (theinnermostloop.substack.com)

Thermodynamics binding again, as at Stargate UAE.

Knowledge graphopen in browser →

Reported in

Welcome to January 24, 2026

Actor

Evidence for

Supersedes

Meta liquidates the metaverse to buy gigawatts

Referenced by

Cite or correct this record

Citation formatCitation text

Cooling, not chips, delays Colossus 2 to May
Innermost Loop KB — secondary record
Reporting date: 2026-01-24
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2026-01-24-colossus-2-cooling-limit
Claim: xAI's Colossus 2 will not reach a gigawatt until May because it lacks the cooling capacity to run 550,000 Blackwell GPUs.
Attributed sources:
- Welcome to January 24, 2026 — https://theinnermostloop.substack.com/p/welcome-to-january-24-2026
This citation does not imply independent verification of linked-source claims.

Suggest a correction — opens a GitHub draft for you to review and submit.