Modal Sandboxes

Product

Secure isolated containers for executing untrusted or agent-generated code.

Releases

Sep 14, 2026Modal scales to one million concurrent SandboxesModal SandboxesBenchmark result

Modal reported support for up to one million concurrent Sandboxes.

Jan 28, 2026Sandbox observability and lifecycle controls expandModal SandboxesFeature update

Modal added richer observability and management controls for running Sandboxes.

Jan 21, 2025Modal Sandboxes reach general availabilityModal SandboxesProduct launch

Modal made isolated programmable Sandboxes generally available for agent-generated code.