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AI CLUSTERED EVENT · 10/9/2026

AI Leaderboard Platform Arena Raises $200M Series B at $3.1B Valuation, Doubling in Ten Months

1 reports archived1 independent sourcesupdated 10/9/2026, 02:19:45
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Arena, the crowdsourced AI model evaluation platform originating from UC Berkeley, has raised a $200 million Series B led by Lightspeed and Khosla Ventures, reaching a $3.1 billion valuation. This nearly doubles its $1.7 billion valuation from ten months ago, driven by annualized revenue growth from $30 million to $100 million. By enabling users to blind-test and rank large language models, Arena has established itself as critical infrastructure for developers assessing model capabilities.

LATEST/Arena, the crowdsourced AI model evaluation platform originating from UC Berkeley, has raised a $200 million Series B led by Lightspeed and Khosla Ventures, reaching a $3.1 billion valuation. This nearly doubles its $1.7 billion valuation from ten months ago, driven by annualized revenue growth from $30 million to $100 million. By enabling users to blind-test and rank large language models, Arena has established itself as critical infrastructure for developers assessing model capabilities.

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  1. TechCrunch AIT2·68 pts

    AI Leaderboard Platform Arena Raises $200M Series B at $3.1B Valuation, Doubling in Ten Months

    Original: Popular AI leaderboard Arena nearly doubles valuation to $3.1B valuation in 10 months

    • Arena's valuation nearly doubled from $1.7 billion to $3.1 billion in approximately 10 months.
    • The company's annualized run-rate revenue surged from $30 million at Series A to $100 million.
    • The round was led by Lightspeed Venture Partners and Khosla Ventures with participation from other major firms.
AI Leaderboard Platform Arena Raises $200M Series B at $3.1B Valuation, Doubling in Ten Months | AI Clustered Intelligence | Today for AI