> ## Documentation Index
> Fetch the complete documentation index at: https://docs.run.cloud/llms.txt
> Use this file to discover all available pages before exploring further.

# Overview

> Per-second-billed, snapshot-capable Firecracker microVM sandboxes

Fast, disposable, stateful compute: spawn a sandbox in well under a second, run
untrusted code, snapshot the filesystem, fork it, and come back to it later —
metered per second of runtime.