Docker Sandboxes vs Vercel Sandbox

Docker Sandboxes costs $0.07 per vCPU-hour and Vercel Sandbox costs $0.128 per vCPU-hour. Docker Sandboxes runs microVMs. Vercel Sandbox runs Firecracker microVMs and limits a session to 24 hours.

Updated

Docker Sandboxes

Isolation
MicroVM
Free tier
One-time promotional credit for cloud compute
Max session
Not listed

Vercel Sandbox

Isolation
Firecracker microVM
Free tier
5 CPU-hours every month
Max session
24 hours

What is different

10 fields differ. The rest are the same or not listed.

Docker Sandboxes
Vercel Sandbox
vCPU, per hour
Docker Sandboxes: $0.07
Vercel Sandbox: $0.128
RAM, per GiB-hour
Docker Sandboxes: Included
Vercel Sandbox: $0.0212
Free tier
Docker Sandboxes: One-time promotional credit for cloud compute
Vercel Sandbox: 5 CPU-hours every month
Paid plan from
Docker Sandboxes: Pay as you go
Vercel Sandbox: $20 / month
Billing
Docker Sandboxes: Bundled machine time
Vercel Sandbox: Active CPU time only
Largest sandbox
Docker Sandboxes: 16 vCPU · 32 GiB
Vercel Sandbox: 8 vCPU · 16 GiB
Concurrent sandboxes
Docker Sandboxes: Up to 10
Vercel Sandbox: Up to 10,000
Isolation
Docker Sandboxes: MicroVM
Vercel Sandbox: Firecracker microVM
SDKs
Docker Sandboxes: JavaScript / TypeScript
Vercel Sandbox: Python, JavaScript / TypeScript
Integrations
Docker Sandboxes: MCP
Vercel Sandbox: Claude Agent SDK, LangChain, OpenAI Agents SDK, Vercel AI SDK

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Docker Sandboxes: $0.07
Vercel Sandbox: $0.128
RAM, per GiB-hour
Docker Sandboxes: Included
Vercel Sandbox: $0.0212
Storage
Docker Sandboxes: Not listed
Vercel Sandbox: On Pro, snapshots $0.08 per GB-month and drives $0.05 per GB-month (beta).
Free tier
Docker Sandboxes: One-time promotional credit for cloud compute
Vercel Sandbox: 5 CPU-hours every month
Paid plan from
Docker Sandboxes: Pay as you go
Vercel Sandbox: $20 / month
Billing
Docker Sandboxes: Bundled machine time
Vercel Sandbox: Active CPU time only

Limits

Max session
Docker Sandboxes: Not listed
Vercel Sandbox: 24 hours
Idle stop
Docker Sandboxes: Not listed
Vercel Sandbox: Not listed
Largest sandbox
Docker Sandboxes: 16 vCPU · 32 GiB
Vercel Sandbox: 8 vCPU · 16 GiB
Concurrent sandboxes
Docker Sandboxes: Up to 10
Vercel Sandbox: Up to 10,000

Platform

Isolation
Docker Sandboxes: MicroVM
Vercel Sandbox: Firecracker microVM
GPU
Docker Sandboxes: Not listed
Vercel Sandbox: Not listed
Snapshots
Docker Sandboxes:
Vercel Sandbox:
Pause and resume
Docker Sandboxes:
Vercel Sandbox:

Developer

SDKs
Docker Sandboxes: JavaScript / TypeScript
Vercel Sandbox: Python, JavaScript / TypeScript
Integrations
Docker Sandboxes: MCP
Vercel Sandbox: Claude Agent SDK, LangChain, OpenAI Agents SDK, Vercel AI SDK

Trust

License
Docker Sandboxes: Not listed
Vercel Sandbox: Not listed
BYOC
Docker Sandboxes: Not listed
Vercel Sandbox: Not listed

Hourly cost

One sandbox running for one hour

Docker Sandboxes
Vercel Sandbox
1 vCPU · 2 GiB
Docker Sandboxes: $0.070
Vercel Sandbox: $0.170
2 vCPU · 4 GiB
Docker Sandboxes: $0.140
Vercel Sandbox: $0.341
4 vCPU · 8 GiB
Docker Sandboxes: $0.280
Vercel Sandbox: $0.682

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Docker Sandboxes fits when

  • You want to pay only for usage, with no plan fee.
  • You use MCP.
  • You want the lower list price: $0.140 against $0.341 an hour for 2 vCPU and 4 GiB.
  • You need a sandbox larger than 8 vCPU · 16 GiB.

Vercel Sandbox fits when

  • You use the Claude Agent SDK, LangChain, the OpenAI Agents SDK or the Vercel AI SDK.
  • Your code waits a lot: CPU is billed only while it is in use.
  • You need SOC 2 Type II.

More comparisons

See all comparisons

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