Skip to main content

E2B

Category: AI Infrastructure

E2B provides a secure, open-source cloud runtime environment for AI applications and agents to execute LLM-generated code in isolated sandboxes. E2B was founded in 2023. The company is led by Vasek Mlejnsky. Based in Prague, Czech Republic & San Francisco, USA. Team size: 11-50. Total funding raised: $32 million. Latest round: Series A. Key investors include ["Insight Partners","Decibel","Sunflower Capital","Kaya","Scott Johnston"].

Founded
2023
Headquarters
Prague, Czech Republic & San Francisco, USA
Team size
11-50
Total funding
$32 million

Value proposition

To provide a secure, scalable, and easy-to-use infrastructure for running potentially untrusted AI-generated code, enabling developers to build more powerful and reliable AI applications without compromising on security.

Products and solutions

["E2B Sandbox: Secure cloud environments for running AI code.","Code Interpreter SDK: Python and JavaScript/TypeScript SDKs for integrating the sandbox into AI applications.","Custom Sandboxes: Tailored environments for specific use cases like data analysis or web development.","AI Artifacts: An open-source platform to create and deploy full-stack applications using AI."]

Unique value

E2B's uniqueness lies in its focus on creating secure, lightweight, and scalable virtualized environments (sandboxes) specifically for the demands of AI-generated code. Unlike general-purpose cloud infrastructure, E2B is purpose-built for AI agents and applications. Its open-source nature fosters community trust and collaboration.

Target customer

AI developers, startups, and enterprises building AI-powered applications, particularly those requiring code execution, data analysis, or agentic workflows.

Industries served

["Artificial Intelligence","Developer Tools","Software Development"]

Technology advantage

The core technological advantage is the custom-built sandbox infrastructure that ensures security and isolation while being fast and scalable. The business advantage is its position as a critical enabler for the growing ecosystem of AI applications, offering a foundational tool that developers need to build and deploy agentic AI safely.

How they differentiate

E2B provides a secure, sandboxed cloud environment specifically designed for AI agents and AI-generated code, focusing on ease of use and integration for developers.

Main competitors

["Crusoe","Deep Infra","Vast.ai"]

Key partnerships

["Insight Partners (Investor)","Decibel (Investor)","Sunflower Capital (Investor)","Kaya (Investor)","Integrations with popular AI frameworks like LangChain."]

Notable customers

["While specific customer names are not publicly disclosed, E2B claims that 88% of Fortune 100 companies use their product."]

Major milestones

["Raised $21 million in Series A funding.","Achieved adoption by 88% of Fortune 100 companies.","Launched an open-source cloud runtime for AI agents."]

Growth metrics

E2B's platform is used by 88% of Fortune 100 companies.

Market positioning

E2B is positioned as a key infrastructure provider for the growing AI agent market, targeting developers and enterprises that need to run AI-generated code securely. Its adoption by a large percentage of Fortune 100 companies suggests a strong foothold in the enterprise segment.

Geographic focus

While the company has offices in the USA (San Francisco) and the Czech Republic (Prague), its geographic focus is global, with a significant customer base in the United States.

Patents and IP

Information on patents or IP is not publicly available.

About Vasek Mlejnsky

Co-founder of E2B. Previously a software engineer at Strv, a US-based software design and engineering company.

Official website: