E2B
Secure sandboxes for AI agents — code execution without touching your infrastructure.
Visit E2B Free 100 hours/mo, Pro $99/mo
What is E2B?
E2B (Execute to Build) gives AI agents secure cloud sandboxes to run code in. Spin up a fresh VM in 200ms, execute LLM-generated code, return the result. Used by Perplexity's code interpreter, Manus, and other agentic products.
Key features
- 200ms sandbox cold start
- Full Linux + Python + Node environment
- Persistent file system option
- Stream stdout/stderr
- Network access controls
- OSS framework (e2b-code-interpreter)
Pros
- Cheapest reliable sandbox infrastructure
- Cold starts genuinely fast
- OSS path for self-hosting
Cons
- Documentation thinner than competitors
- Limited GPU options
- Some advanced sandbox features paywalled
Best for
AI agent products needing code executionCode interpreter features in chat appsBackground AI workflowsAnyone building "AI runs code" UX
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