FUNDING
Company Profile
Arena (formerly LMArena, born as Chatbot Arena at UC Berkeley) operates the crowdsourced leaderboard and evaluation platform used industry-wide to benchmark and rank AI models.
Founded 2025San Francisco, CA$250M raised$1.7B valuation
Investors
FelicisUC InvestmentsAndreessen HorowitzKleiner PerkinsLightspeed Venture PartnersThe House FundLaude Ventures
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Related dashboards
Arena FAQ
- What is Arena's valuation in 2026?
- Arena was last valued at $1.7B in its most recent funding round.
- How much has Arena raised?
- Arena has raised approximately $250M in total funding to date.
- Is Arena publicly traded?
- No. Arena is privately held, last valued at $1.7B.
- Who are Arena's investors?
- Arena's investors include Felicis, UC Investments, Andreessen Horowitz, Kleiner Perkins, Lightspeed Venture Partners, The House Fund, Laude Ventures.
Coverage Timeline
newest first- Jun 29, 2026FUNDINGArena, the AI Leaderboard Everyone Uses, Becomes a $100M Business Eight Months After Launch$100M ARR→
- Jun 29, 2026FUNDINGArena, the AI Leaderboard Everyone Uses, Hits $100M Revenue Run-Rate$100M run-rate→
- Jun 29, 2026AIArena, the AI Leaderboard Everyone Uses, Is Now a $100M Business$100M ARR→
All Coverage
FUNDING$100M ARR
Arena, the AI Leaderboard Everyone Uses, Becomes a $100M Business Eight Months After Launch
Arena, the crowdsourced AI model leaderboard that began as a UC Berkeley research project, disclosed on June 29 that it has reached $100 million in annualized run-rate revenue — up from $30 million in January — just eight months after launching its paid AI Evaluations product. The company has raised $250 million total, including a $150 million Series A in January at a $1.7 billion valuation.
FUNDING
Arena, the AI Leaderboard Everyone Uses, Hits $100M Revenue Run-Rate
FUNDING$100M run-rate
Arena, the AI Leaderboard Everyone Uses, Hits $100M Revenue Run-Rate
Arena -- the crowdsourced AI-model leaderboard born as a UC Berkeley research project and now relied on across the industry -- has reached a $100 million annualized revenue run-rate, up from $30 million in January, on the back of its commercial AI-evaluations business. The company raised a $150 million Series A in January at a $1.7 billion valuation and has turned 10 million-plus human model comparisons into a paid product for labs and enterprises.
AI
Arena, the AI Leaderboard Everyone Uses, Is Now a $100M Business
AI$100M ARR
Arena, the AI Leaderboard Everyone Uses, Is Now a $100M Business
Arena, the crowdsourced model-evaluation platform born as Chatbot Arena at UC Berkeley, hit $100 million in annualized run-rate revenue just eight months after launching its paid 'AI Evaluations' service. Its free public leaderboard -- built on more than 10 million head-to-head user votes -- has become the industry's default benchmark, and the company has parlayed that trust into a $1.7 billion valuation.