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Celesto vs Cloudflare Sandbox SDK
Two code sandboxes tools for AI agents, side by side. Facts come from each tool's own site.
Celesto
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
Cloudflare Sandbox SDK
developers.cloudflare.comRun untrusted or generated code in Linux VMs or isolated Workers on Cloudflare.
Visit Cloudflare Sandbox SDK| Celesto | Cloudflare Sandbox SDK | |
|---|---|---|
| What it does | 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. | Run untrusted or generated code in Linux VMs or isolated Workers on Cloudflare. |
| In their words | Celesto: Build agents. Give them real computers. | Overview ยท Cloudflare Sandboxes docs |
| Open source | Yes | No |
| Website | celesto.ai | developers.cloudflare.com |
| Link checked | 2026-10-20 | 2026-10-20 |
More options:Alternatives to CelestoAlternatives to Cloudflare Sandbox SDKGuide: Best code sandboxes for AI agents
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