Key Metrics
Valuation
$1.7B
As of Jul 30, 2026Value Add Pulse research
Total funding
$250M
As of Jul 30, 2026Value Add Pulse research
Company Snapshot
Arena is a AI infra company, based in San Francisco, CA, founded 2023 by Wei-Lin Chiang, Anastasios N. Angelopoulos, Ion Stoica. Latest valuation $1.7B (As of Jul 30, 2026, Value Add Pulse research). Total funding $250M (As of Jul 30, 2026).
Recent changes
- Jul 30, 2026Jul 30, 2026First reported valuation: $1.7B Value Add Pulse enrichment
- Jul 30, 2026Jul 30, 2026First reported total funding: $250M Value Add Pulse enrichment
- Jun 29, 2026Jun 29, 2026Arena, the AI Leaderboard Everyone Uses, Becomes a $100M Business Eight Months After Launch Pulse story
- Jun 29, 2026Jun 29, 2026Arena, the AI Leaderboard Everyone Uses, Is Now a $100M Business Pulse story
- Jun 29, 2026Jun 29, 2026Arena, the AI Leaderboard Everyone Uses, Hits $100M Revenue Run-Rate Pulse story
Earlier changes (9)
- Jan 6, 2026Jan 6, 2026Raised $150M Series A at a ~$1.7B valuation Wikipedia
- Jan 6, 2026Jan 6, 2026New investor: The House Fund Wikipedia
- Jan 6, 2026Jan 6, 2026New investor: Laude Ventures Wikipedia
- May 2025May 2025Raised $100M Seed at a $600M valuation Wikipedia
- May 2025May 2025New investor: Andreessen Horowitz Wikipedia
- May 2025May 2025New investor: Felicis Ventures Wikipedia
- May 2025May 2025New investor: Lightspeed Venture Partners Wikipedia
- May 2025May 2025New investor: UC Investments Wikipedia
- May 2025May 2025New investor: Kleiner Perkins Wikipedia
Funding History
2 events · sources dated per row| Date | Event | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| Jan 6, 2026 | Series A | $150M | ~$1.7B | Wikipedia | |
| May 2025 | Seed | $100M | $600M | Wikipedia |
Investors
Latest Pulse
- Jun 29, 2026Arena, the AI Leaderboard Everyone Uses, Becomes a $100M Business Eight Months After LaunchArena, 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.→
- Jun 29, 2026Arena, the AI Leaderboard Everyone Uses, Hits $100M Revenue Run-RateArena -- 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.→
- Jun 29, 2026Arena, the AI Leaderboard Everyone Uses, Is Now a $100M BusinessArena, 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.→
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.
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.
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.
Related Companies
Shared investors
Arena FAQ
What is Arena's valuation?
Arena's valuation is $1.7B (As of Jul 30, 2026, Value Add Pulse research).
How much has Arena raised?
Arena has raised $250M in total funding (As of Jul 30, 2026, Value Add Pulse research).
Who are Arena's investors?
Arena's investors include Felicis Ventures, UC Investments, Andreessen Horowitz, Kleiner Perkins, Lightspeed Venture Partners, and 4 more (As of Jul 30, 2026).
Sources & methodologyshow
Where these figures come from
- Value Add Pulse researchValue Add VC data2 facts
- WikipediaValue Add VC data2 facts
Figures are labelled Reported (a source states it), Estimated, Derived (computed from other facts) or Rumored (in talks / unconfirmed). Rumors never replace a confirmed figure. Each figure keeps its own as-of date; history is preserved rather than overwritten.