What is E2B?
E2B provides securely isolated cloud sandboxes (micro-VMs) that boot in 150ms, giving AI agents full Linux environments to execute code.
In one sentence: E2B provides secure cloud sandboxes that start in 150ms, letting AI agents safely execute code, install packages, and access the filesystem.
Core Features
1. Code Interpreter SDK
Run Python/JS code with automatic dependency installation.
2. Custom Templates
Preinstall tools and packages with a Dockerfile.
3. Filesystem
Upload and download files with full filesystem operations.
4. Long-Running Sessions
Supports pause/resume with up to 24-hour lifetime.
FAQ
Q: Is it secure? A: Each sandbox is an isolated Firecracker micro-VM.
Q: Pricing? A: 100 sandbox-hours per month are free; additional usage is pay-as-you-go.