Arena raised $200 million at a $3.1 billion valuation
Arena, which originated in 2023 as a UC Berkeley research project, said on Thursday that it raised a $200 million Series B round at a $3.1 billion valuation. Lightspeed Venture Partners and Khosla Ventures led the round, after a $150 million Series A in January at a $1.7 billion post-money valuation. The company said it reached $100 million in annualized run-rate revenue in June.
NoteEnterprises want help finding the model that works best for their own internal needs, and Arena offers that through its AI Evaluations product. Its new alignment leaderboard ranks models on unauthorized action and false attribution, the kinds of failures a bank's risk team would want to test for.
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