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Generative AI company said Tuesday that it has raised a $13 billion Series F round at a $183 billion valuation. led the round, with . and co-leading.

With the new funding, Anthropic becomes the fourth-most valuable private company in the world, per °µÍø³Ô¹Ï data. The San Francisco-based company remains the second-most highly valued generative AI startup behind rival , which was valued at $300 billion most recently.

The announcement confirms reporting over the summer that Anthropic was in talks to raise significant new funding at a much higher valuation. The new round nearly triples its valuation from March, when it raised $3.5 billion at a $61.5 billion valuation.

The company says its revenue run rate as of August was more than $5 billion — significant growth since the beginning of the year, when that figure was around $1 billion. Much of its growth has been on the enterprise side: Anthropic said it now has more than 300,000 business customers, up nearly 7x in the past year.

Anthropic’s deal also comes as funding to artificial intelligence startups dominates venture investment globally. Around $40 billion in venture investment — or 45% of global funding — went to the AI sector in Q2, according to °µÍø³Ô¹Ï data. Foundation model companies raised $5.5 billion of that.

Anthropic has now raised $33.7 billion since its inception in 2021, . Its funding also illustrates the extent to which venture investment has increasingly concentrated into larger rounds for already well-capitalized startups.

Other major investors in its new funding included , , affiliated funds of , , , , , , , , , , , , , , T. Rowe Price Investment Management Inc., and .

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Related reading:

• Iconiq Is On A Roll
• Report: Anthropic Raising $5B At A $170B Valuation As AI Funding Heats Up
• Q2 Global Venture Funding Climbs In A Blockbuster Quarter For AI And As Capital Concentrates In Larger Companies

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