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Popular AI Leaderboard Arena Nearly Doubles Valuation to $3.1B Valuation in 10 Months

The index ranks more than two dozen models on unauthorized actions and false completion claims, with OpenAI first and Anthropic second.

Summary by TechCrunch
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.

6 Articles

Arena announced a $200 million Series B round with a valuation of $3.1 billion, almost double the figure reached ten months earlier. AI’s model assessment platform also launched an alignment board to examine errors that conventional benchmarks can overlook.

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Bloomberg broke the news in New York, United States on Thursday, October 8, 2026.
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