Anthropic is preparing another massive capital raise that would nearly double its valuation in a matter of months, underscoring the continued acceleration of funding at the top end of the AI market.
According to people familiar with the matter, Anthropic plans to raise $10 billion at a pre-money valuation of roughly $350 billion, up sharply from the $183 billion valuation attached to its last major round just four months ago, the Wall Street Journal reports.
The raise would mark Anthropic’s third megadeal in the past year and follows a $13 billion investment completed in September that cemented the company as one of the most valuable private AI firms in the world.
Founded in 2021 by former Google researcher and OpenAI alum Dario Amodei and his sister Daniela Amodei, Anthropic is best known for Claude, a chatbot that has gained traction among business users, particularly for coding and technical workflows.
The company has already raised tens of billions of dollars from existing investors, including Lightspeed Venture Partners, Fidelity Management & Research and Iconiq Capital.
The new capital would come on top of up to $15 billion that Nvidia and Microsoft are planning to invest in the OpenAI rival. As part of that agreement, Anthropic committed to purchasing $30 billion of compute capacity from Microsoft Azure running on Nvidia AI systems, highlighting the scale of infrastructure spending required to train and deploy frontier models.
Anthropic expects to break even for the first time in 2028, putting it on track to reach profitability faster than OpenAI.
The planned raise comes amid a broader resurgence in AI funding. In 2025, AI startups raised a record $222 billion, more than double the total from 2024, according to data from PitchBook. The year ahead is also shaping up to be significant for public listings after a prolonged IPO slowdown.
Anthropic is widely expected to go public this year, alongside other high-profile listings, including Elon Musk’s SpaceX. At the same time, OpenAI is reported to be in talks to raise as much as $100 billion at a valuation approaching $750 billion.
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