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Labelbox

Labelbox

Private
San Francisco, CaliforniaAI, Data & Cloud Infrastructurehttps://labelbox.com

Last Round

Series E

Oct 14, 2026

Est. Valuation

$1.35B

Total Funding Raised

$288.9M

Momentum

Top 1%

of companies Caplight tracks

Company Overview

Labelbox is an artificial intelligence company that provides a data-centric AI platform with software, services, and staffing solutions to build and scale AI applications.

Sector

AI, Data & Cloud Infrastructure

Verticals

AI Training Infrastructure, ML Platforms, NLP & Conversational AI

Business Model

B2B

Customer Profile

Usage-Based SaaS, Subscription SaaS, Services & Consulting, Freemium

AI Layer

Infrastructure

Keywords

data labelingRLHFreinforcement learning from human feedbackhuman-in-the-loopHITLAI training datamodel evaluationgenerative AI qualityAI agent trainingdata annotation platformLLM evaluationAI data factoryexpert networkAI infrastructureagentic workflow

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Labelbox Comparables

Compare Labelbox with similar companies based on industry and business-model similarity.

Labelbox comparables — related companies by embedding similarity
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Surge AI
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Toloka
83%
Encord
82%

Labelbox Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series EOct 14, 2026
Series DJan 6, 2022
Series CFeb 11, 2021
Series BFeb 4, 2020
Series AApr 9, 2019
Seed
Jul 31, 2018

Key People

Founding team and executive leadership

Brian Rieger

Co-Founder & COO

Founding Team

Manu Sharma

CEO Co-founder

Founding Team

Keshav Sahoo

Chief Technology Officer, Senior Vice President of Engineering

Executive Team

Labelbox Investors

Notable investors and investment history

Labelbox investors
InvestorRounds
Andreessen HorowitzSeries D, Series E, Series C, Series B
Gradient VenturesSeries B, Seed, Series C, Series A
SoftBank Investment AdvisersSeries D
B Capital GroupSeries D, Series E, Series C
SoftBank GroupSeries D
Infinitum PartnersSeries E
First Round CapitalSeries B, Seed, Series A, Series C

Market signals

Structured signals derived from secondary market and firmographic data.

  • Oct 14, 2026

    $100M round led by Infinitum Partners

  • Sep 11, 2026

    Monthly visitors grew 31% MoM, reaching 803.7K.

Recent news

Latest coverage and updates

  • receives_financingOct 15, 2026

    Labelbox receives more than $100 million ($100M) in Series E financing, including equity and a credit facility, led by Infinitum Partners with participation from Wipro Ventures, a16z, B Capital, Tau Ventures, Snowpoint Ventures, and other investors, in California on Oct 14th '26.

  • launchesOct 14, 2026

    In Oct '26, Labelbox opens Recursion Managed Agents to enterprise customers, offering managed agents that receive goals and triggers, evaluate work against rubrics, and operate across more than 100 business applications and any MCP server.

  • identified_as_competitor_ofAug 21, 2026

    The article identifies Labelbox as a competitor of Sama Inc. in the AI data-labeling market, where both vie for contracts with major AI labs.

  • identified_as_competitor_ofAug 21, 2026

    Labelbox competes with Appen Limited for contracts with major AI labs in the human data-labeling market.

Labelbox Filings

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Labelbox filings preview — column headings only; records require access
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Frequently Asked Questions

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

Is Labelbox a public or private company?

Labelbox is a private company.

What is the current stock price of Labelbox?

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

How much is Labelbox worth (valuation)?

Labelbox's valuation is estimated at $1.4B based on funding round data.

Can I buy Labelbox stock?

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

When was Labelbox's last funding round?

Labelbox's most recent funding round was Series E on October 14, 2026.

Who are the main investors in Labelbox?

Key investors in Labelbox include Andreessen Horowitz, Gradient Ventures, SoftBank Investment Advisers, B Capital Group, SoftBank Group.

Will Labelbox IPO soon?

No public IPO plans have been announced for Labelbox.

How can I track Labelbox secondary market activity?

Caplight tracks bids, offers, and trades in Labelbox's shares on secondary markets.

Firmographic Details

HeadquartersSan Francisco, California
Employee Range287
Year Founded2018
Last FundingOct 14, 2026

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