Arena thanks Felicis for backing it from the start
Overview
Arena announced a $200 million Series B at a $3.1 billion valuation, alongside a new Alignment Index that measures whether AI agents behave safely, truthfully, and within the bounds of user requests.
The company has surpassed $100 million in annualized revenue, facilitated 350 million sessions and 62 million votes, and led by Felicis and PXD from the seed and Series A stages. Arena positions the index as a way to assess trustworthiness as AI systems increasingly take real actions.
Written by AI from one article, by Arena
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- ArenaArena raises $200M Series B at $3.1B valuation, launches Alignment Index
AIArena announced a $200 million Series B at a $3.1 billion valuation, alongside a new Alignment Index that measures whether AI agents behave safely, truthfully, and within the bounds of user requests. The company has surpassed $100 million in annualized revenue, facilitated 350 million sessions and 62 million votes, and led by Felicis and PXD from the seed and Series A stages. Arena positions the index as a way to assess trustworthiness as AI systems increasingly take real actions.
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