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Arena Intelligence Inc.

Arena Intelligence Inc.

Private
San Francisco, CaliforniaAI, Data & Cloud Infrastructurehttps://arena.ai

Last Round

Series B

Oct 8, 2026

Est. Valuation

$3.1B

Total Funding Raised

$450M

Momentum

Top 1%

of companies Caplight tracks

Company Overview

Arena Intelligence Inc. is an artificial intelligence company that operates a crowdsourced platform for evaluating and benchmarking large language models (LLMs).

Sector

AI, Data & Cloud Infrastructure

Verticals

Business Intelligence, NLP & Conversational AI

Business Model

B2B

Customer Profile

Usage-Based SaaS

AI Layer

Infrastructure

Keywords

AI evaluationmodel benchmarkingAI infrastructureautonomous agentsLLM evaluationAI safetyusage-based SaaSAI model testinghuman preference dataAI alignmententerprise AIAI observabilityLLM leaderboardAI refereemodel validation

Historical Pricing

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Caplight Momentum Score

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Arena Intelligence Inc. Comparables

Compare Arena Intelligence Inc. with similar companies based on industry and business-model similarity.

Arena Intelligence Inc. comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Aera Technology
82%
o9 Solutions
73%
C3 AI
72%

Arena Intelligence Inc. Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BOct 8, 2026
Series AJan 6, 2026
SeedMay 1, 2025

Key People

Founding team and executive leadership

Wei-Lin Chiang

Cofounder, CTO

Founding Team

Suchit Dash

Chief Product Officer

Executive Team

Arena Intelligence Inc. Investors

Notable investors and investment history

Arena Intelligence Inc. investors
InvestorRounds
Andreessen HorowitzSeries A, Series B, Seed
01 AdvisorsSeries B
Laude VenturesSeries A, Seed
Khosla VenturesSeries B
Salesforce VenturesSeries B
Acrew CapitalSeries B
LDV PartnersSeries A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Oct 8, 2026

    $200M round led by Khosla Ventures and Lightspeed Venture Partners.

  • Sep 22, 2026

    Grew 52% QoQ, from 67 to 102 employees.

Recent news

Latest coverage and updates

  • launchesOct 13, 2026

    Arena launches an agentic version of its Max router that dynamically selects frontier models for multi-turn agent workflows, ranks #1 in Agent Arena, is free in Agent Mode for a limited time, and offers API access via waitlist.

  • receives_financingOct 9, 2026

    Arena receives $200M in Series B financing in Oct '26, co-led by Lightspeed Venture Partners and Khosla Ventures, to expand its AI evaluation and alignment platform at a $3.1B valuation.

  • launchesOct 9, 2026

    Arena launches the Alignment Index on Oct 8th '26

  • has_valuationOct 8, 2026

    Arena reaches a $1.7B post-money valuation in Jan '26

  • has_valuationOct 8, 2026

    Arena reaches a $3.1B valuation after nearly doubling its valuation in about ten months on Oct 8th '26

Arena Intelligence Inc. Filings

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Arena Intelligence Inc. filings preview — column headings only; records require access
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Frequently Asked Questions

Common questions about Arena Intelligence Inc.'s valuation, stock price, and market status.

Is Arena Intelligence Inc. a public or private company?

Arena Intelligence Inc. is a private company.

What is the current stock price of Arena Intelligence Inc.?

Arena Intelligence Inc. is a private company, so its shares have no public market price. Caplight tracks Arena Intelligence Inc.'s secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is Arena Intelligence Inc. worth (valuation)?

Arena Intelligence Inc.'s valuation is estimated at $3.1B based on funding round data.

Can I buy Arena Intelligence Inc. stock?

Arena Intelligence Inc. shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was Arena Intelligence Inc.'s last funding round?

Arena Intelligence Inc.'s most recent funding round was Series B on October 8, 2026.

Who are the main investors in Arena Intelligence Inc.?

Key investors in Arena Intelligence Inc. include Andreessen Horowitz, Khosla Ventures, UC Investments, Felicis Ventures, Lightspeed Venture Partners.

Will Arena Intelligence Inc. IPO soon?

No public IPO plans have been announced for Arena Intelligence Inc..

How can I track Arena Intelligence Inc. secondary market activity?

Caplight tracks bids, offers, and trades in Arena Intelligence Inc.'s shares on secondary markets.

Firmographic Details

HeadquartersSan Francisco, California
Employee Range73
Year Founded2025
Last FundingOct 8, 2026

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