Sandbox persistence is now GA
Vercel's persistent sandboxes are now GA — developers can finally stop managing snapshots manually.
Why it matters
Vercel is shipping a developer infrastructure feature that reduces operational overhead for AI/ML workflows and software development environments. Persistent sandbox state with automatic snapshot management lowers friction for teams building with AI agents and collaborative coding tools.
The key facts
17 to knowSandbox persistence enabled by default in Sandbox.create()
Automatic session spin-up/down without workflow interruption
Durable, customizable sandbox names for project reference
New methods: Sandbox.fork(), Sandbox.getOrCreate(), Sandbox.delete()
Snapshot storage billed separately from compute; opt-out available via --non-persistent flag
Lifecycle hooks (onCreate, onResume) for create, get, getOrCreate
Custom tags for multi-tenant sandbox tracking
GA release as of May 26, 2026
Sandbox persistence now GA (generally available)
Automatic filesystem state save/restore between sessions
Persistence enabled by default
Named, durable sandboxes with retrieve/resume capability
Separate storage billing for snapshots
New API methods: Sandbox.fork(), Sandbox.getOrCreate(), Sandbox.delete()
Lifecycle hooks: onCreat, onResume for create, get, getOrCreate
Tags feature for multi-tenant tracking
Opt-out available via --non-persistent flag for ephemeral workloads
Go to the source
Vercel Blogvercel.com
Publisher excerpt: now automatically save and restore filesystem state between sessions. Persistence is on by default, meaning no snapshots to manage or state to track manually.Vercel Sandboxes Each sandbox has a durable, that acts as a unique reference in your project. You can create, retrieve, or resume a sandbox…