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Applied AI·October 8, 2026·1 min read

AI model evaluator Arena nearly doubles its valuation to $3.1B

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Model eval is turning into its own platform layer — $200M at a $3.1B valuation says buyers expect a neutral arbiter on both performance and alignment. If Arena’s user-driven Alignment Index becomes a reference, your model choice and safety claims will be benchmarked in public, not in your slideware.