Code executionOnline
E2B
Firecracker microVM sandboxes for agent-generated code, with pause/resume and filesystem snapshots.
- Cold start
- 150 ms
- Compute rate
- 504 $/10k vCPU-h
Open source sandboxes
There are 8 open source in the index.
Results
8 sandbox providers
Computer useOnline
Cua
MIT-licensed computer-use containers for agents: Lume macOS and Linux VMs plus Docker workspaces.
Open sourceOnline
Judge0
GPL-3.0 code-execution engine covering more than 70 languages; self-host it or use the hosted service.
Open sourceOnline
Microsandbox
Open-source libkrun microVM sandbox server, plus a cloud metered in computer-hours.
Browser sessionsOnline
Steel
Apache-2.0 browser API for agents (steel-browser), with hosted sessions and stealth mode.
Open sourceOnline
OpenSandbox
Apache-2.0 open sandbox platform for agent workloads, with container isolation on Docker or Kubernetes.
Open sourceOnline
Piston
MIT-licensed code-execution engine with a free public API, run per job in resource-limited sandboxes.
Code executionOnline
ForeverVM
MIT-licensed stateful Python machines that never expire; idle machines swap to disk and resume on demand.
Other categories in Online
More sandbox providers
Questions
What other kinds of sandbox providers are in Online?
Other categories in Online: Code execution (19 sandbox providers), Dev environments (8 sandbox providers), Browser sessions (3 sandbox providers), Computer use (2 sandbox providers), and Evals and RL (2 sandbox providers).
Published by AgentSandboxes. How we check each sandbox provider.