Anthropic (ANTH.PVT) on Wednesday announced it has signed an agreement to access computing capabilities from Elon Musk’s SpaceX (SPAX.PVT).

According to the agreement, Anthropic will use all of the computing capacity at SpaceX’s Colossus 1 data center. That amounts to more than 300 megawatts of new AI compute via more than 220,000 Nvidia GPUs.

SpaceX said Anthropic has also expressed interest in working with the private space company to develop orbiting AI data centers.

Financial terms of the deal haven’t been disclosed.

Anthropic said the additional capacity from Colossus 1, as well as other recent agreements with Amazon (AMZN), Google (GOOG, GOOGL), Microsoft (MSFT), and Nvidia (NVDA), will enable the company to increase capacity for its Claude Pro and Claude Max subscribers.

The AI startup said it is also extending some of its capacity to international markets to serve customers in regions that operate in regulated markets like healthcare and financial services.

SpaceX’s xAI offers a competing AI platform called Grok. In a post on X, Musk said he spent the past week with senior members of the Anthropic team.

“Everyone I met was highly competent and cared a great deal about doing the right thing. No one set off my evil detector. So long as they engage in critical self-examination, Claude will probably be good,” he said.

The CEO later added that his company reserves the right to reclaim compute if Anthropic’s AI “engages in actions that harm humanity.”

Musk also noted that he was comfortable leasing Colossus 1 to the company, because “SpaceXAI had already moved training to Colossus 2.”

Anthropic and SpaceX, along with OpenAI (OPAI.PVT), are each rumored to be planning initial public offerings later this year.

Email Daniel Howley at dhowley@yahoofinance.com. Follow him on X at @DanielHowley.

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