Upstash Box vs Vercel Sandbox

Upstash Box costs $0.10 per vCPU-hour and Vercel Sandbox costs $0.128 per vCPU-hour. Upstash Box runs containers. Vercel Sandbox runs Firecracker microVMs and limits a session to 24 hours.

Updated

Upstash Box

Isolation
Container
Free tier
Free plan, 5 CPU hours per month
Max session
Not listed

Vercel Sandbox

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

What is different

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

Upstash Box
Vercel Sandbox
vCPU, per hour
Upstash Box: $0.10
Vercel Sandbox: $0.128
RAM, per GiB-hour
Upstash Box: Included
Vercel Sandbox: $0.0212
Storage
Upstash Box: $0.10 per GB per month, including snapshots. Included on Fixed.
Vercel Sandbox: On Pro, snapshots $0.08 per GB-month and drives $0.05 per GB-month (beta).
Free tier
Upstash Box: Free plan, 5 CPU hours per month
Vercel Sandbox: 5 CPU-hours every month
Paid plan from
Upstash Box: Pay as you go
Vercel Sandbox: $20 / month
Concurrent sandboxes
Upstash Box: Up to 1,000
Vercel Sandbox: Up to 10,000
Isolation
Upstash Box: Container
Vercel Sandbox: Firecracker microVM
SDKs
Upstash Box: Python, TypeScript
Vercel Sandbox: Python, JavaScript / TypeScript
Integrations
Upstash Box: LangChain, Vercel AI SDK, Claude Code
Vercel Sandbox: Claude Agent SDK, LangChain, OpenAI Agents SDK, Vercel AI SDK, Claude Code

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Upstash Box: $0.10
Vercel Sandbox: $0.128
RAM, per GiB-hour
Upstash Box: Included
Vercel Sandbox: $0.0212
Storage
Upstash Box: $0.10 per GB per month, including snapshots. Included on Fixed.
Vercel Sandbox: On Pro, snapshots $0.08 per GB-month and drives $0.05 per GB-month (beta).
Free tier
Upstash Box: Free plan, 5 CPU hours per month
Vercel Sandbox: 5 CPU-hours every month
Paid plan from
Upstash Box: Pay as you go
Vercel Sandbox: $20 / month
Billing
Upstash Box: Active CPU time only
Vercel Sandbox: Active CPU time only

Limits

Max session
Upstash Box: Not listed
Vercel Sandbox: 24 hours
Idle stop
Upstash Box: After 360 minutes
Vercel Sandbox: Not listed
Largest sandbox
Upstash Box: 8 vCPU · 16 GiB
Vercel Sandbox: 8 vCPU · 16 GiB
Concurrent sandboxes
Upstash Box: Up to 1,000
Vercel Sandbox: Up to 10,000

Platform

Isolation
Upstash Box: Container
Vercel Sandbox: Firecracker microVM
GPU
Upstash Box: Not listed
Vercel Sandbox: Not listed
Snapshots
Upstash Box:
Vercel Sandbox:
Pause and resume
Upstash Box:
Vercel Sandbox:

Developer

SDKs
Upstash Box: Python, TypeScript
Vercel Sandbox: Python, JavaScript / TypeScript
Integrations
Upstash Box: LangChain, Vercel AI SDK, Claude Code
Vercel Sandbox: Claude Agent SDK, LangChain, OpenAI Agents SDK, Vercel AI SDK, Claude Code

Trust

License
Upstash Box: Not listed
Vercel Sandbox: Not listed
BYOC
Upstash Box: Not listed
Vercel Sandbox: Not listed

Hourly cost

One sandbox running for one hour

Upstash Box
Vercel Sandbox
1 vCPU · 2 GiB
Upstash Box: $0.100
Vercel Sandbox: $0.170
2 vCPU · 4 GiB
Upstash Box: $0.200
Vercel Sandbox: $0.341
4 vCPU · 8 GiB
Upstash Box: $0.400
Vercel Sandbox: $0.682

Compute only, at list rates.

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Which one fits

Based on the fields above

Upstash Box fits when

  • You want to pay only for usage, with no plan fee.
  • You want the lower list price: $0.200 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 or the OpenAI Agents SDK.
  • You need SOC 2 Type II.

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