Arena

AI · San Francisco, United States · Founded 2025

Open community platform to benchmark and compare AI models through side-by-side evaluations and user voting

Valuation $1–2.5B

Revenue $100–500M

Headcount <100

Unlock exact values

Power Law Unicorn$1–10B valuation tier Thoroughbred$100M+ revenue

Knowledge graph

News Arena, the AI leaderboard everyone uses, hits $100M in annualized revenue Jun 29, 2026

Talent graph

Arena's talent

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Founders /100 quality score

Key operators quality score

Potential founders likely future founders

Startup mafia alumni-founded startups

Talent movements in · out past 12 months

Source: Dealroom Talent Intelligence.

Investors

10 investors on Arena's cap table

Sourced from Dealroom's funding history. Investor profile links are shown where available.

Seed 5 investors entered at this stage

Felicis

UC Investments

Kleiner Perkins

Lightspeed Venture Partners

Andreessen Horowitz

Series A 3 investors entered at this stage

Laude Ventures

LDV Partners

The House Fund

Series B+ 2 investors entered at this stage

University of California

Berkeley

Ownership

Who owns Arena

Estimated cap table from Dealroom's shareholder data — share of equity by holder. Stakes as last recorded by Dealroom (Jan/2026). Percentages are indicative.

62% Founders

Felicis 5.9%

Some investors are hidden on this public profile. See the full cap table on Dealroom →

Global footprint

Where Arena has talent and traffic

Workforce by country

4 countries with
team presence

🇺🇸 United States93%

🇦🇪 United Arab Emirates5.3%

🇩🇪 Germany3.4%

🇬🇧 United Kingdom3%

4 countries shown

Web traffic by country

32M monthly visits
across markets

🇮🇳 India17.8%

🏳️ Russian Federation9%

🇺🇸 United States7.4%

🇵🇰 Pakistan4.6%

🇮🇩 Indonesia4.4%

Top 5 markets shown

Patent intelligence

$3.2B patent portfolio · 7,487 active families

Estimated portfolio value

$3.2B

186.2% of valuation · 185.4× larger than top peer AppDynamics ($17M)

7,487 active patent families

Where Arena innovates Biomedical engineeringCell biologyChemistryDiseaseMaterials science

Where Arena concentrates vs peers

Each axis is a top-10 topic across Arena and its closest peers. #1 = 100, #10 = 10, absent = 0.

Compare against

Source: Dealroom Patent Intelligence · Patsnap. Request a demo for the full per-sub-category breakdown, individual records, and quality-score history.

Market sentiment

What the market is saying about Arena

An AI-synthesized read of the highest-engagement posts about Arena on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

See Arena on the full Dealroom platform

Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.

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