Arena Closes $200 Million Series B at $3.1 Billion Valuation
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In January 2026, AI company Arena completed a $150 million Series A funding round at a post-money valuation of $1.7 billion. In June, the company announced its annualized revenue had reached $100 million. On October 9, according to TechCrunch, Arena completed a $200 million Series B round led by Lightspeed Venture Partners and Khosla Ventures, with a16z and others participating, at a valuation of $3.1 billion—nearly double its Series A valuation ten months earlier.
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- TechCrunch · AIPopular AI leaderboard Arena nearly doubles valuation to $3.1B valuation in 10 months
Arena has completed a $200 million Series B at a $3.1 billion valuation, led by Lightspeed Venture Partners and Khosla Ventures with participation from a16z and others; the company previously raised a $150 million Series A in January at a $1.7 billion post-money valuation and announced $100 million in annualized revenue in June.