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ThirdLayer

ThirdLayer

Private
San Francisco, CaliforniaEnterprise Softwarehttps://www.joindex.com/

Last Round

Accelerator

Jan 1, 2025

Total Funding Raised

$500,000

Company Overview

ThirdLayer is an applied research and product lab that develops Dex, an AI-powered browser copilot designed to transform the web browser into an intelligent, context-aware workspace.

Sector

Enterprise Software

Verticals

Workflow Automation, NLP & Conversational AI

Business Model

B2B

Customer Profile

Subscription SaaS, Freemium

AI Layer

Application

Keywords

AI browser agentbrowser copilotworkflow automationAI agentbrowser extensioncontext-aware workspacecross-app orchestrationtask automationAI productivity toolautonomous agentSaaSbrowser automationknowledge worker toolsAI agent securityvibe coding

Historical Pricing

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Caplight Momentum Score

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ThirdLayer Comparables

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ThirdLayer comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
WebBrain
83%
Reworkd
82%
HARPA AI
82%

ThirdLayer Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
AcceleratorJan 1, 2025

ThirdLayer Investors

Notable investors and investment history

ThirdLayer investors
InvestorRounds
Y CombinatorSeed, Accelerator

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jan 9, 2026

    Monthly visitors increased 84% MoM, reaching 37.2K.

  • Jan 1, 2025

    $500K round led by Y Combinator

ThirdLayer Filings

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ThirdLayer filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about ThirdLayer's valuation, stock price, and market status.

Is ThirdLayer a public or private company?

ThirdLayer is a private company.

What is the current stock price of ThirdLayer?

ThirdLayer is a private company with no public stock price. No recent secondary market data is available.

How much is ThirdLayer worth (valuation)?

Valuation information for ThirdLayer is not publicly available.

Can I buy ThirdLayer stock?

ThirdLayer shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was ThirdLayer's last funding round?

ThirdLayer's most recent funding round was Accelerator on January 1, 2025.

Who are the main investors in ThirdLayer?

Key investors in ThirdLayer include Y Combinator.

Will ThirdLayer IPO soon?

No public IPO plans have been announced for ThirdLayer.

How can I track ThirdLayer secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor ThirdLayer's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSan Francisco, California
Employee Range7
Year Founded2025
Last FundingJan 1, 2025

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