What is ephemeral sandbox?
Answer in brief
A short-lived sandbox created for one task and destroyed afterwards, leaving no state behind.
Ephemeral sandbox in agent sandboxes
Ephemeral sandboxes are the safest default for running untrusted code: nothing leaks between users or tasks, and cleanup is automatic. They fit code interpreters, data analysis and one-shot tool calls.
Cite this page
Agent Sandboxes. (2026). What is ephemeral sandbox?. agentsandboxes.org. Last reviewed November 8, 2026. https://agentsandboxes.org/glossary/ephemeral-sandbox/
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