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Arena Scores $200M Series B

2026-10-14
SAN FRANCISCO, CA, Arena announces a $200 million Series B at a $3.1 billion valuation to advance real-world AI evaluation.
Arena announces a $200 million Series B at a $3.1 billion valuation to advance real-world AI evaluation, co-led by Lightspeed Venture Partners and Khosla Ventures.

The funding included participation from Salesforce Ventures, 01 Advisors, Dell Technologies Capital, Acrew Capital, and Endeavor Catalyst. We're also excited to have support from our existing investors a16z, Felicis, AMP PBC, QuantumLight, The House Fund, Panos Madamopoulos, and others.
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