Compare code sandboxes
Agent 37 vs Celesto
Two code sandboxes tools for AI agents, side by side. Facts come from each tool's own site.
Agent 37
agent37.comCloud sandboxes for running AI agents, positioned as lower-cost agent infrastructure.
Visit Agent 37Celesto
celesto.aiHardware-isolated cloud computers for AI agents, with browser, desktop, shell and file access, pause, resume and forking, via CLI and SDK; Apache-2.0 microVM core you can self-host.
Visit Celesto| Agent 37 | Celesto | |
|---|---|---|
| What it does | Cloud sandboxes for running AI agents, positioned as lower-cost agent infrastructure. | Hardware-isolated cloud computers for AI agents, with browser, desktop, shell and file access, pause, resume and forking, via CLI and SDK; Apache-2.0 microVM core you can self-host. |
| In their words | Cloud Sandbox for Agents | Agent 37 | Celesto: Build agents. Give them real computers. |
| Open source | No | Yes |
| Website | agent37.com | celesto.ai |
| Link checked | 2026-10-20 | 2026-10-20 |
More options:Alternatives to Agent 37Alternatives to CelestoGuide: Best code sandboxes for AI agents
Keep comparing