Vercel Sandbox
Firecracker microVMs for running untrusted code from inside a Vercel deployment.
Overall in sandbox providers
9of 19 · score 72.5
Data coverage
96%
25 of 26 fields sourced
Best for
- •An app-builder or code-runner inside a Vercel deployment
- •Agent sessions that mostly wait on a model, where active-CPU billing pays off
- •You need a per-sandbox egress allowlist without building it yourself
Strong on
- +Shipped 2025 1/16
- +Concurrent limit 2,000 sandboxes 1/15
- +Funding series-c-plus 1/15
- +Runtimes python, javascript-typescript, bash, any-oci-image 2/18
Weak on
- −MCP server No 13/18Better: Daytona: Yes
- −Browser inside No 15/18Better: E2B: Yes
- −SDKs typescript 17/19Better: Runloop: python, typescript, rest-api, cli
- −GitHub stars 0 7/7Better: Daytona: 71,000
vs CodeSandbox SDK
- •Ahead on Egress control: allowlist vs open
- •Ahead on Concurrent limit: 2,000 sandboxes vs 100 sandboxes
- •Behind on Browser inside: No vs Partial
- •Behind on Snapshot & fork: Partial vs Yes
How Vercel Sandbox scores among 19 sandbox providers25 of 26 fields known
Runtime13
Cold start
1.8s
13/16
Leader: Riza · 120ms
Cold start (claimed)
—
GPU
No
6/15
Leader: Modal · Yes
Runtimes2nd
python, javascript-typescript, bash, any-oci-image
2/18
Leader: boat · python, javascript-typescript, bash, go, rust, java, ruby, php, any-oci-image
Browser inside
No
15/18
Leader: E2B · Yes
Isolation & network3
Agent integration3
MCP server
No
13/18
Leader: Daytona · Yes
SDKs
typescript
17/19
Leader: Runloop · python, typescript, rest-api, cli
Pricing3
Traction2
Funding1st
series-c-plus
1/15
Positioning1
Positioning
Run untrusted code from your Vercel app in an ephemeral microVM.
Timeline1
Alternatives8
Blaxel
boat
Cloudflare Sandbox
CodeSandbox SDK
Daytona
Self-hosted Firecracker
E2B
exe.devCompare
Sources9
- vercel.com/docs/vercel-sandbox5 fields
- vercel.com/docs/sandbox/pricing5 fields
- vercel.com/docs/sandbox/concepts1 field
- vercel.com/docs/sandbox/concepts/firewall1 field
- vercel.com/docs/sandbox/concepts/persistent-sandboxes1 field
- vercel.com/docs/sandbox/concepts/snapshots1 field
- vercel.com/docs/sandbox/concepts/images1 field
- github.com/vercel/sandbox1 field
- vercel.com/changelog1 field
