The “Unlikely Allies” Deal: Anthropic Leases Elon Musk’s Colossus 1 to Power Claude
In a surprising industry pivot, Anthropic has signed a major agreement with Elon Musk’s SpaceX to lease the entire compute capacity of the Colossus 1 supercluster in Memphis. Reported by Business Insider and other outlets on May 8, 2026, this deal marks a significant shift for both companies, as Musk has historically been a fierce critic of Anthropic, even labeling the company “misanthropic” in the past.
1. The Hardware: A 220,000 GPU Boost
The partnership gives Anthropic immediate access to one of the world’s most powerful AI training facilities.
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Immediate Capacity: Anthropic will utilize over 220,000 NVIDIA GPUs (including H100, H200, and next-gen GB200 accelerators) housed in the 300-megawatt Colossus 1 facility.
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Tiered Usage: xAI has reportedly moved its own training efforts for Grok to Colossus 2, leaving the original cluster entirely available for Anthropic’s needs.
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Direct User Benefits: Leveraging this new power, Anthropic has already doubled usage limits for Claude Code across its Pro, Max, Team, and Enterprise tiers and removed peak-hour restrictions.
2. The “Evil Detector” & Musk’s Condition
The deal was finalized after Musk spent time with Anthropic’s leadership to assess their commitment to “AI Safety”.
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The Meeting: Musk posted on X that he met with senior Anthropic staffers and concluded that “no one set off my evil detector”.
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The “Humanity” Clause: SpaceX has reserved the right to reclaim the compute if Claude is used for actions that “harm humanity”. Musk likened the deal to SpaceX launching satellites for competitors with “fair terms and pricing”.
3. Looking Up: Orbital AI Compute
The most futuristic aspect of the agreement is the shared interest in space-based data centers.
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Gigawatt Scale: Anthropic expressed interest in partnering with SpaceX to develop multiple gigawatts of orbital compute capacity.
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Sustainability: Orbital compute offers near-limitless solar power and eliminates the need for terrestrial cooling systems, solving some of the biggest environmental challenges facing modern data centers.
4. Strategic Context: Competitive Realignment
This deal is widely seen as an “enemy of my enemy” move directed at OpenAI.
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Hurting OpenAI: By solving Anthropic’s massive compute shortage, Musk is effectively strengthening OpenAI’s primary rival.
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Enterprise Credibility: Anthropic has faced criticism for rate limits and reliability issues; this deal provides the infrastructure needed to maintain its momentum in the “AI Coding Agent” market.