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: https://e2b.dev