E2B

Secure cloud sandbox environments for AI agents to execute code safely

Best for: Developers building AI coding agents needing safe code execution Not ideal for: Costs can scale with heavy usage
Price Paid
Free plan Yes
For AI engineers
Level intermediate
Updated Jan 2025
Category AI Agents
01

Why choose E2B

E2B is a cloud sandboxing service that provides secure code execution environments for AI agents. It lets AI models safely run code, install packages, access files, and interact with the internet inside isolated sandbox containers — enabling AI agents to write and execute code autonomously without security risks.

  • +Fast and secure sandbox execution
  • +Easy SDK integration
  • +Supports any programming language
  • +Designed specifically for AI agents
02

Where it falls short

  • Costs can scale with heavy usage
  • Network restrictions in sandbox
  • Not for long-running persistent workloads
03

Best for these users

👤
Target audience
AI engineers, developers building coding agents
📌
Best for
Developers building AI coding agents needing safe code execution
Skip if you need
Costs can scale with heavy usage
04

Pricing overview

Freemium Free plan: Yes

Free tier with 100 sandbox hours/month. Pro starts at $100/month.

Check current pricing →
05

Key features

Secure sandbox environments
Fast container startup (under 1 second)
Code execution for any language
File system access
Network access in sandboxes
SDK for Python and JavaScript
07

Alternatives to E2B

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08

Related comparisons

09

The verdict

E2B Freemium

E2B is a solid choice for ai engineers who need fast and secure sandbox execution. At freemium, it delivers good value. Main caveat: costs can scale with heavy usage. Compare with alternatives before committing.