SpaceX Clarifies 180-Day Compute Lease With Anthropic
Elon Musk stated on X that SpaceX's agreement with Anthropic is a 180-day lease with 90-day mutual cancellation rights. The clarification follows the disclosure of a potential multi-year revenue stream in SpaceX's S-1 filing.
Elon Musk wrote on X on Thursday that SpaceX has not committed to leasing its Colossus supercomputer to Anthropic for years. He described the current arrangement as a 180-day lease with 90-day mutual cancellation rights after that period. 25 billion-a-month deal with Anthropic for compute access through May 2029.
If the agreement ran its full term, the arrangement could generate more than $40 billion for SpaceX.
The S-1 document already noted that either party may terminate the agreements upon 90 days' notice. Musk's post emphasized that the short initial term was requested by SpaceX, not Anthropic. Musk added that SpaceX would provide a reasonable off-ramp if its own AI operations require the compute capacity.
He stated the company would not leave Anthropic without alternatives but might reclaim the resources if compute becomes limited. SpaceX and Anthropic did not immediately respond to requests for comment.
Key Facts
Story Timeline
2 events- May 28, 2026
Elon Musk posted on X clarifying the 180-day lease term with Anthropic.
1 sourceBusiness Insider - May 2026
SpaceX filed an S-1 disclosing the Anthropic compute agreement through May 2029.
1 sourceBusiness Insider
Potential Impact
- 01
SpaceX retains flexibility to reallocate Colossus capacity to its own AI projects.
- 02
Anthropic may need to secure alternative compute sources within six months.
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