| Website | e2b.dev |
| Category | AI / Code Execution |
| License | Apache 2.0 (open source) |
| Pricing | Free tier, Pro from $45/mo |
Overview
E2B provides sandboxed cloud environments for AI-generated code execution. Safe, isolated, and fast. Let your AI agent run code without risk.
Pros
- Apache 2.0 license
- Sandboxed execution (safe)
- Fast startup (<200ms)
- Multiple languages
- File system persistence
- Self-hosted option
Cons
- Pro pricing for scale
- Cold starts for rare runtimes
- Limited GPU access
- Network isolation constraints
- Resource limits on free tier
Verdict
E2B solves the scariest part of AI agent development: letting agents run code. The sandboxed environments start in under 200ms, support multiple languages, and are completely isolated — even a malicious script can't escape. For any AI product that generates and executes code (data analysis, code generation, workflow automation), E2B provides the safe execution layer.