Anthropic announced in a press release on Wednesday that it has signed a deal with Elon Musk’s SpaceX to use the company's massive Colossus 1 data center. According to a corresponding announcement from SpaceXAI, the deal will give Anthropic access to all of the massive supercomputer. That's over 222,000 Nvidia GPUs — including powerful H100 and H200 chips alongside next-generation GB200 accelerator systems — and 300 megawatts plus of compute power.
Anthropic says this additional capacity will go toward improving the experience for paid Claude users — Pro, Max, Team, and Enterprise subscribers — via three key changes. Effective yesterday, Claude Code’s five-hour rate limits have doubled for all paid tiers. The company has also removed the peak hours limit reduction for Pro and Max. Lastly, it has “considerably” raised the API rate limits, the volume of requests developers can make, for Claude Opus models.
The announcement highlighted other similar agreements with Amazon, Google, and Microsoft, all aimed at building gigawatts of additional capacity. Anthropic also expressed interest in partnering with SpaceX to “multiple gigawatts of orbital AI compute capacity, basically data centers in space, as, according to SpaceX, “The compute required to train and operate the next generation of these systems is outpacing what terrestrial power, land, and cooling can deliver on the timelines that matter.”
The Colossus 1 deal means that the whole first-generation cluster, originally built to power xAI’s own Grok models, is now powering one of its direct AI rivals, as the company focuses on building Colossus 2. In an X post, Musk said he gave the green light to lease Colossus 1 to Anthropic after spending time with senior members of the company to “understand what they do to ensure Claude is good for humanity.” He claimed he “was impressed,” saying, “No one set off my evil detector.” The statement is a stark reversal of comments Musk made earlier this year about Anthropic, when he called Claude “misanthropic and evil."
In the press release, Anthropic also signaled that its compute expansion strategy extends far beyond raw processing power. The company said future infrastructure deployments will increasingly target international regions, such as Europe and Asia, to meet growing enterprise demand for local data residency and regulatory compliance, particularly in sectors like healthcare, finance, and government. It also stressed that future capacity partnerships will prioritize politically stable, democratic countries with secure AI supply chains, while exploring ways to offset increases in electricity costs and reinvest in communities hosting the data centers.
In addition to the compute deal announcement, Anthropic also unveiled on Wednesday a new Claude feature called 'dreaming,' designed to help its AI agents improve themselves between sessions. The feature allows Claude-powered agents to review previous work, identify recurring patterns and mistakes, and reorganize memory files that contain user preferences and contextual information, enabling the system to refine its behavior over time rather than starting each session from scratch.
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