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E2B

E2B

Private
San Francisco, CaliforniaAI, Data & Cloud Infrastructurehttps://e2b.dev/

Last Round

Series A

Jul 28, 2025

Total Funding Raised

$35M

Momentum

Top 10%

of companies Caplight tracks

Company Overview

E2B is a software company that provides an open-source, secure cloud infrastructure for AI agents to execute code and perform complex tasks.

Sector

AI, Data & Cloud Infrastructure

Verticals

ML Platforms, DevOps & Containers, Platform-as-a-Service

Business Model

B2B

Customer Profile

Usage-Based SaaS, Freemium, Subscription SaaS

AI Layer

Infrastructure

Keywords

AI sandboxingsecure sandboxAI code executioncode interpreterAI agent infrastructureuntrusted code executionAI developer toolscloud sandboxesCode Interpreter SDKself-hostingopen-source infrastructurebring-your-own-cloudBYOCusage-based billingdesktop sandbox

Historical Pricing

Historical view of private secondary pricing and transaction trends.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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E2B Comparables

Compare E2B with similar companies based on industry and business-model similarity.

E2B comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Runloop AI
87%
Dedalus Labs
78%
Isola
77%

E2B Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AJul 28, 2025
SeedOct 17, 2024
Pre SeedSep 6, 2023

Key People

Founding team and executive leadership

Tomas Valenta

Co-Founder CTO

Founding Team

Vasek Mlejnsky

Co-Founder & CEO

Founding Team

E2B Investors

Notable investors and investment history

E2B investors
InvestorRounds
DecibelSeries A, Seed
Better VenturesSeed
KAYASeries A, Seed
DaphniSeed
Sunflower CapitalSeries A, Seed
Insight PartnersSeries A
Karaoke ClubSeed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Feb 17, 2026

    Added Vulx as a customer

  • Jan 1, 2026

    Microsoft, Perplexity, Hugging Face, Manus, and Groq are listed as clients.

E2B Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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E2B Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about E2B's valuation, stock price, and market status.

Firmographic Details

HeadquartersSan Francisco, California
Employee Range40
Year Founded2023
Last FundingJul 28, 2025

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