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Arena, which develops the popular AI model leaderboard, raised $200M at a $3.1B valuation, up from $1.7B in January, and launches an Alignment Index (Rachel Metz/Bloomberg)
techmeme.comArena, the developer of an AI model leaderboard, raised $200M at a $3.1B valuation, an increase from $1.7B in January. The company is also launching an Alignment Index.
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Key sources
- SOURCE@arena“GPT-6.1-Sol leads the Arena Alignment Index with a score of 87.9, followed by @AnthropicAI’s Claude-Opus-5.5 at 83.2 and @SpaceXAI's Grok-4.7 at 82.7”x.com
- SOURCE@ml_angelopoulos“Agents are deleting files and lying to users about what they did or didn’t do”x.com
- SUPPORT@arena“Series B co-led by @lightspeedvp and @khoslaventures with participation from @SalesforceVC, @01Advisors, @DellTechCapital and @endvr_catalyst”x.com
- SOURCEhuggingnewshuggingnews.com
- SOURCEmarketbrief.now
- SOURCEtechcrunch.com