InstaVM vs Vercel Sandbox

InstaVM costs $0.0504 per vCPU-hour and Vercel Sandbox costs $0.128 per vCPU-hour. InstaVM runs Firecracker microVMs. Vercel Sandbox runs Firecracker microVMs and limits a session to 24 hours.

Updated

InstaVM

Isolation
Firecracker microVM
Free tier
$50 credit
Max session
Not listed

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.

InstaVM
Vercel Sandbox
vCPU, per hour
InstaVM: $0.0504
Vercel Sandbox: $0.128
RAM, per GiB-hour
InstaVM: $0.0162
Vercel Sandbox: $0.0212
Storage
InstaVM: $0.0002 per GiB-hour after 10 free GiB
Vercel Sandbox: On Pro, snapshots $0.08 per GB-month and drives $0.05 per GB-month (beta).
Free tier
InstaVM: $50 credit
Vercel Sandbox: 5 CPU-hours every month
Paid plan from
InstaVM: $100 / month
Vercel Sandbox: $20 / month
Billing
InstaVM: Per second
Vercel Sandbox: Active CPU time only
Concurrent sandboxes
InstaVM: Up to 100
Vercel Sandbox: Up to 10,000
SDKs
InstaVM: Python, TypeScript
Vercel Sandbox: Python, JavaScript / TypeScript

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
InstaVM: $0.0504
Vercel Sandbox: $0.128
RAM, per GiB-hour
InstaVM: $0.0162
Vercel Sandbox: $0.0212
Storage
InstaVM: $0.0002 per GiB-hour after 10 free GiB
Vercel Sandbox: On Pro, snapshots $0.08 per GB-month and drives $0.05 per GB-month (beta).
Free tier
InstaVM: $50 credit
Vercel Sandbox: 5 CPU-hours every month
Paid plan from
InstaVM: $100 / month
Vercel Sandbox: $20 / month
Billing
InstaVM: Per second
Vercel Sandbox: Active CPU time only

Limits

Max session
InstaVM: Not listed
Vercel Sandbox: 24 hours
Idle stop
InstaVM: Not listed
Vercel Sandbox: Not listed
Largest sandbox
InstaVM: Not listed
Vercel Sandbox: 8 vCPU · 16 GiB
Concurrent sandboxes
InstaVM: Up to 100
Vercel Sandbox: Up to 10,000

Platform

Isolation
InstaVM: Firecracker microVM
Vercel Sandbox: Firecracker microVM
GPU
InstaVM: Not listed
Vercel Sandbox: Not listed
Snapshots
InstaVM:
Vercel Sandbox:
Pause and resume
InstaVM:
Vercel Sandbox:

Developer

SDKs
InstaVM: Python, TypeScript
Vercel Sandbox: Python, JavaScript / TypeScript
Integrations
InstaVM: Not listed
Vercel Sandbox: Claude Agent SDK, LangChain, OpenAI Agents SDK, Vercel AI SDK

Trust

License
InstaVM: Not listed
Vercel Sandbox: Not listed
BYOC
InstaVM: Not listed
Vercel Sandbox: Not listed

Hourly cost

One sandbox running for one hour

InstaVM
Vercel Sandbox
1 vCPU · 2 GiB
InstaVM: $0.083
Vercel Sandbox: $0.170
2 vCPU · 4 GiB
InstaVM: $0.166
Vercel Sandbox: $0.341
4 vCPU · 8 GiB
InstaVM: $0.331
Vercel Sandbox: $0.682

Compute only, at list rates.

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Which one fits

Based on the fields above

InstaVM fits when

  • You want the lower list price: $0.166 against $0.341 an hour for 2 vCPU and 4 GiB.
  • You need a desktop in the sandbox.

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.

More comparisons

See all comparisons

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