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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

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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ThirdLayer Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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

Firmographic Details

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

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