Agent37 Cloud vs Vercel Sandbox

Agent37 Cloud costs $0.0011 per vCPU-hour and Vercel Sandbox costs $0.128 per vCPU-hour. Agent37 Cloud runs gVisor and has no session limit. Vercel Sandbox runs Firecracker microVMs and limits a session to 24 hours.

Updated

Agent37 Cloud

Isolation
gVisor
Free tier
$5 starter credit, one time
Max session
No limit

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.

Agent37 Cloud
Vercel Sandbox
vCPU, per hour
Agent37 Cloud: $0.0011
Vercel Sandbox: $0.128
RAM, per GiB-hour
Agent37 Cloud: $0.00096
Vercel Sandbox: $0.0212
Storage
Agent37 Cloud: $0.00012 per GiB-hour
Vercel Sandbox: On Pro, snapshots $0.08 per GB-month and drives $0.05 per GB-month (beta).
Free tier
Agent37 Cloud: $5 starter credit, one time
Vercel Sandbox: 5 CPU-hours every month
Paid plan from
Agent37 Cloud: Pay as you go
Vercel Sandbox: $20 / month
Billing
Agent37 Cloud: Per second
Vercel Sandbox: Active CPU time only
Max session
Agent37 Cloud: No limit
Vercel Sandbox: 24 hours
Largest sandbox
Agent37 Cloud: 16 vCPU · 32 GiB
Vercel Sandbox: 8 vCPU · 16 GiB
Isolation
Agent37 Cloud: gVisor
Vercel Sandbox: Firecracker microVM

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Agent37 Cloud: $0.0011
Vercel Sandbox: $0.128
RAM, per GiB-hour
Agent37 Cloud: $0.00096
Vercel Sandbox: $0.0212
Storage
Agent37 Cloud: $0.00012 per GiB-hour
Vercel Sandbox: On Pro, snapshots $0.08 per GB-month and drives $0.05 per GB-month (beta).
Free tier
Agent37 Cloud: $5 starter credit, one time
Vercel Sandbox: 5 CPU-hours every month
Paid plan from
Agent37 Cloud: Pay as you go
Vercel Sandbox: $20 / month
Billing
Agent37 Cloud: Per second
Vercel Sandbox: Active CPU time only

Limits

Max session
Agent37 Cloud: No limit
Vercel Sandbox: 24 hours
Idle stop
Agent37 Cloud: Not listed
Vercel Sandbox: Not listed
Largest sandbox
Agent37 Cloud: 16 vCPU · 32 GiB
Vercel Sandbox: 8 vCPU · 16 GiB
Concurrent sandboxes
Agent37 Cloud: Not listed
Vercel Sandbox: Up to 10,000

Platform

Isolation
Agent37 Cloud: gVisor
Vercel Sandbox: Firecracker microVM
GPU
Agent37 Cloud: Not listed
Vercel Sandbox: Not listed
Snapshots
Agent37 Cloud: Not listed
Vercel Sandbox:
Pause and resume
Agent37 Cloud:
Vercel Sandbox:

Developer

SDKs
Agent37 Cloud: Not listed
Vercel Sandbox: Python, JavaScript / TypeScript
Integrations
Agent37 Cloud: Not listed
Vercel Sandbox: Claude Agent SDK, LangChain, OpenAI Agents SDK, Vercel AI SDK

Trust

License
Agent37 Cloud: Not listed
Vercel Sandbox: Not listed
BYOC
Agent37 Cloud: Not listed
Vercel Sandbox: Not listed

Hourly cost

One sandbox running for one hour

Agent37 Cloud
Vercel Sandbox
1 vCPU · 2 GiB
Agent37 Cloud: $0.003
Vercel Sandbox: $0.170
2 vCPU · 4 GiB
Agent37 Cloud: $0.006
Vercel Sandbox: $0.341
4 vCPU · 8 GiB
Agent37 Cloud: $0.012
Vercel Sandbox: $0.682

Compute only, at list rates.

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Which one fits

Based on the fields above

Agent37 Cloud fits when

  • A session must run longer than 24 hours.
  • You want to pay only for usage, with no plan fee.
  • You want the lower list price: $0.006 against $0.341 an hour for 2 vCPU and 4 GiB.
  • You need a desktop in the sandbox.

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 snapshots.
  • Your code waits a lot: CPU is billed only while it is in use.

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