LMArena raises $200M Series B at $3.1B valuation, launches Alignment Index
arena · x · 2026-10-09
LMArena co-founder Ion Stoica announced a $200M Series B at a $3.1B valuation, alongside the launch of its Alignment Index targeting the hard problem of evaluating AI under real-world conditions. The 90-person team is hiring across ML, product, engineering, design, marketing, and BD.
Related event: LMArena Raises $200M Series B at $3.1B Valuation, Launches Alignment Index(9 posts)→
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