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xAI Leases Colossus 1 Supercomputer to Anthropic

May 6, 2026

1 min read

Key Takeaways

xAI leases Colossus 1 supercomputer to Anthropic.
Colossus 1 has over 220,000 NVIDIA GPUs and 300 megawatts of capacity.
Deal may generate $5-6 billion in annual revenue for xAI.
xAI has moved primary training to Colossus 2.

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Strategic Implications

This deal may signal a shift in the compute market, where idle infrastructure is monetized to generate revenue. It suggests that large-scale external compute capacity can be sourced directly from peer labs, altering cost and deployment trade-offs for teams scaling models to frontier sizes.

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What Happened

Exclusive Access Deal Generates Billions in Annual Revenue

xAI has signed an agreement to provide Anthropic with exclusive access to Colossus 1, a Memphis data centre housing over 220,000 NVIDIA GPUs and 300 megawatts of capacity. The deal is expected to generate billions in annual revenue for xAI. According to reports by Forbes and CryptoBriefing, xAI has moved its primary training operations to Colossus 2, making Colossus 1 available for leasing. This development was first reported by multiple outlets, including Forbes and CryptoBriefing.

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