Sandbox as a Service vs Vercel Sandbox

Sandbox as a Service costs $0.045 per vCPU-hour and Vercel Sandbox costs $0.128 per vCPU-hour. Sandbox as a Service runs full VMs and limits a session to 24 hours. Vercel Sandbox runs Firecracker microVMs and limits a session to 24 hours.

Updated

Sandbox as a Service

Isolation
Full VM
Free tier
$5 credit
Max session
24 hours

Vercel Sandbox

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

What is different

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

Sandbox as a Service
Vercel Sandbox
vCPU, per hour
Sandbox as a Service: $0.045
Vercel Sandbox: $0.128
RAM, per GiB-hour
Sandbox as a Service: Included
Vercel Sandbox: $0.0212
Free tier
Sandbox as a Service: $5 credit
Vercel Sandbox: 5 CPU-hours every month
Paid plan from
Sandbox as a Service: Pay as you go
Vercel Sandbox: $20 / month
Billing
Sandbox as a Service: Bundled machine time
Vercel Sandbox: Active CPU time only
Concurrent sandboxes
Sandbox as a Service: Up to 20
Vercel Sandbox: Up to 10,000
Isolation
Sandbox as a Service: Full VM
Vercel Sandbox: Firecracker microVM
Integrations
Sandbox as a Service: 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
Sandbox as a Service: $0.045
Vercel Sandbox: $0.128
RAM, per GiB-hour
Sandbox as a Service: Included
Vercel Sandbox: $0.0212
Storage
Sandbox as a Service: Not listed
Vercel Sandbox: On Pro, snapshots $0.08 per GB-month and drives $0.05 per GB-month (beta).
Free tier
Sandbox as a Service: $5 credit
Vercel Sandbox: 5 CPU-hours every month
Paid plan from
Sandbox as a Service: Pay as you go
Vercel Sandbox: $20 / month
Billing
Sandbox as a Service: Bundled machine time
Vercel Sandbox: Active CPU time only

Limits

Max session
Sandbox as a Service: 24 hours
Vercel Sandbox: 24 hours
Idle stop
Sandbox as a Service: Not listed
Vercel Sandbox: Not listed
Largest sandbox
Sandbox as a Service: 8 vCPU · 16 GiB
Vercel Sandbox: 8 vCPU · 16 GiB
Concurrent sandboxes
Sandbox as a Service: Up to 20
Vercel Sandbox: Up to 10,000

Platform

Isolation
Sandbox as a Service: Full VM
Vercel Sandbox: Firecracker microVM
GPU
Sandbox as a Service: Not listed
Vercel Sandbox: Not listed
Snapshots
Sandbox as a Service:
Vercel Sandbox:
Pause and resume
Sandbox as a Service: Not listed
Vercel Sandbox:

Developer

SDKs
Sandbox as a Service: Python, JavaScript / TypeScript
Vercel Sandbox: Python, JavaScript / TypeScript
Integrations
Sandbox as a Service: MCP
Vercel Sandbox: Claude Agent SDK, LangChain, OpenAI Agents SDK, Vercel AI SDK

Trust

License
Sandbox as a Service: Not listed
Vercel Sandbox: Not listed
BYOC
Sandbox as a Service: Not listed
Vercel Sandbox: Not listed

Hourly cost

One sandbox running for one hour

Sandbox as a Service
Vercel Sandbox
1 vCPU · 2 GiB
Sandbox as a Service: $0.045
Vercel Sandbox: $0.170
2 vCPU · 4 GiB
Sandbox as a Service: $0.090
Vercel Sandbox: $0.341
4 vCPU · 8 GiB
Sandbox as a Service: $0.180
Vercel Sandbox: $0.682

Compute only, at list rates.

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Which one fits

Based on the fields above

Sandbox as a Service fits when

  • You want to pay only for usage, with no plan fee.
  • You want each sandbox to be a full VM.
  • You use MCP.
  • You want the lower list price: $0.090 against $0.341 an hour for 2 vCPU and 4 GiB.

Vercel Sandbox fits when

  • You want each sandbox in its own microVM.
  • You use the Claude Agent SDK, LangChain, the OpenAI Agents SDK or the Vercel AI SDK.
  • You need pause and resume.
  • Your code waits a lot: CPU is billed only while it is in use.

More comparisons

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