# Arena raises USD 200 million Series B at USD 3.1 billion valuation

On 2026/10/9, TechCrunch reported that Arena, an AI model arena originating at UC Berkeley, had raised USD 200 million in Series B funding at a USD 3.1 billion valuation, co-led by Lightspeed and Khosla Ventures with participation from Salesforce Ventures. Annualized revenue had exceeded USD 100 million in month 6, and its valuation nearly doubled within 10 months.



Canonical: https://uniquebase.ai/news/a0d4aa9e-ba3a-40a2-b03c-876f730bbf8b
Stable identifier: a0d4aa9e-ba3a-40a2-b03c-876f730bbf8b
Snapshot captured: 2026-10-15T18:31:34.288Z
English updated: 2026-10-15T23:46:38.176Z

## Connected profiles

- [Arena](/companies/arena)
- [Khosla Ventures](/institutions/khosla-ventures)
- [Lightspeed Venture Partners](/institutions/lightspeed-venture-partners)
- [Salesforce Ventures](/institutions/salesforce-ventures)

## Sources

- https://techcrunch.com/2026/10/08/popular-ai-leaderboard-arena-nearly-doubles-valuation-to-3-1b-valuation-in-10-months/