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boxd vs Celesto

Two code sandboxes tools for AI agents, side by side. Facts come from each tool's own site.

boxd

boxd.sh

Hardware-isolated Linux VMs for agents and developers that keep running processes, files and shell state between sessions, with fork, snapshot, pause and hibernate, in boxd's cloud or self-hosted.

New
Visit boxd

Celesto

celesto.ai

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.

Open source
Visit Celesto
boxd compared with Celesto
boxdCelesto
What it doesHardware-isolated Linux VMs for agents and developers that keep running processes, files and shell state between sessions, with fork, snapshot, pause and hibernate, in boxd's cloud or self-hosted.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 wordsComposable computers for devs and agentsCelesto: Build agents. Give them real computers.
Open sourceNoYes
Websiteboxd.shcelesto.ai
Link checked2026-11-082026-10-20

More options:Alternatives to boxdAlternatives to CelestoGuide: Best code sandboxes for AI agents

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