Arena Intelligence raises $200M at a $3.1B valuation
10/09/2026 — 10/09, 00:20·1 sources (all)·1 reports (all)·In the 2026-10-09 briefing
Key takeaways
- Arena Intelligence, the company behind the Chatbot Arena model leaderboard, raised $200 million at a $3.1 billion valuation, Bloomberg repor…
Background & analysis
Arena Intelligence Inc., the company behind the popular AI model leaderboard Chatbot Arena, has raised $200 million at a $3.1 billion valuation, according to Bloomberg Technology. The round was led by Lightspeed Venture Partners and Khosla Ventures, with participation from Salesforce Ventures and Dell Technologies Capital. The startup was previously valued at $1.7 billion. The financing was set to be announced on Thursday.
The report also notes that Arena was co-founded by Anastasios Angelopoulos and began as a research project at UC Berkeley's Sky Computing Lab. Alongside the funding, Arena Intelligence plans to expand into measuring AI safety, according to the report. No further details on the round, the timeline for the safety-evaluation business, or the products it might involve were included in the available material.
AI-generated from 1 reports · updated 3 hours ago
Latest turnBloomberg reports that Arena Intelligence, the startup behind the Chatbot Arena model leaderboard, has raised $200 million at a $3.1 billion valuation and plans to expand into AI safety evaluation. Lightspeed Venture Partners and Khosla Ventures led the round, with Salesforce Ventures and Dell Technologies Capital participating; the company was previously valued at $1.7 billion.
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Bloomberg reports that Arena Intelligence, the startup behind the Chatbot Arena model leaderboard, has raised $200 million at a $3.1 billion valuation and plans to expand into AI safety evaluation. Lightspeed Venture Partners and Khosla Ventures led the round, with Salesforce Ventures and Dell Technologies Capital participating; the company was previously valued at $1.7 billion.
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