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

L2 · PractitionerIndustry & BusinessTechCrunch AI· 10/8/2026

Shows market validation for AI evaluation tools that practitioners use to compare models

AI Summary

AI evaluation platform Arena raised $200M Series B at $3.1B valuation, nearly doubling its value in 10 months as demand grows for real-world AI testing.

Excerpt

The company behind the popular LMArena leaderboard has raised $200 million led by Lightspeed and Khosla, and is now measuring AI models on alignment issues such as lying.

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