Freestyle VMs vs Vercel Sandbox
Freestyle VMs costs $0.04032 per vCPU-hour and Vercel Sandbox costs $0.128 per vCPU-hour. Freestyle VMs runs full VMs. Vercel Sandbox runs Firecracker microVMs and limits a session to 24 hours.
Updated
Freestyle VMs
- Isolation
- Full VM
- Free tier
- Free plan, $0 forever
- Max session
- Not listed
Vercel Sandbox
- Isolation
- Firecracker microVM
- Free tier
- 5 CPU-hours every month
- Max session
- 24 hours
What is different
11 fields differ. The rest are the same or not listed.
Freestyle VMs
Vercel Sandbox
- vCPU, per hour
- Freestyle VMs: $0.04032
- Vercel Sandbox: $0.128
- RAM, per GiB-hour
- Freestyle VMs: $0.0129
- Vercel Sandbox: $0.0212
- Storage
- Freestyle VMs: $0.000086 per GiB-hour
- Vercel Sandbox: On Pro, snapshots $0.08 per GB-month and drives $0.05 per GB-month (beta).
- Free tier
- Freestyle VMs: Free plan, $0 forever
- Vercel Sandbox: 5 CPU-hours every month
- Paid plan from
- Freestyle VMs: $50 / month
- Vercel Sandbox: $20 / month
- Billing
- Freestyle VMs: Per second
- Vercel Sandbox: Active CPU time only
- Largest sandbox
- Freestyle VMs: 32 vCPU · 64 GiB
- Vercel Sandbox: 8 vCPU · 16 GiB
- Concurrent sandboxes
- Freestyle VMs: Up to 400
- Vercel Sandbox: Up to 10,000
- Isolation
- Freestyle VMs: Full VM
- Vercel Sandbox: Firecracker microVM
- SDKs
- Freestyle VMs: JavaScript
- Vercel Sandbox: Python, JavaScript / TypeScript
- Integrations
- Freestyle VMs: OpenAI Agents SDK, Claude Agent SDK
- Vercel Sandbox: Claude Agent SDK, LangChain, OpenAI Agents SDK, Vercel AI SDK
Full comparison
18 fields, at each provider's list price
Freestyle VMsfreestyle
Vercel Sandboxvercel
Pricing
- vCPU, per hour
- Freestyle VMs: $0.04032
- Vercel Sandbox: $0.128
- RAM, per GiB-hour
- Freestyle VMs: $0.0129
- Vercel Sandbox: $0.0212
- Storage
- Freestyle VMs: $0.000086 per GiB-hour
- Vercel Sandbox: On Pro, snapshots $0.08 per GB-month and drives $0.05 per GB-month (beta).
- Free tier
- Freestyle VMs: Free plan, $0 forever
- Vercel Sandbox: 5 CPU-hours every month
- Paid plan from
- Freestyle VMs: $50 / month
- Vercel Sandbox: $20 / month
- Billing
- Freestyle VMs: Per second
- Vercel Sandbox: Active CPU time only
Limits
- Max session
- Freestyle VMs: Not listed
- Vercel Sandbox: 24 hours
- Idle stop
- Freestyle VMs: Not listed
- Vercel Sandbox: Not listed
- Largest sandbox
- Freestyle VMs: 32 vCPU · 64 GiB
- Vercel Sandbox: 8 vCPU · 16 GiB
- Concurrent sandboxes
- Freestyle VMs: Up to 400
- Vercel Sandbox: Up to 10,000
Platform
- Isolation
- Freestyle VMs: Full VM
- Vercel Sandbox: Firecracker microVM
- GPU
- Freestyle VMs: Not listed
- Vercel Sandbox: Not listed
- Snapshots
- Freestyle VMs:
- Vercel Sandbox:
- Pause and resume
- Freestyle VMs:
- Vercel Sandbox:
Developer
- SDKs
- Freestyle VMs: JavaScript
- Vercel Sandbox: Python, JavaScript / TypeScript
- Integrations
- Freestyle VMs: OpenAI Agents SDK, Claude Agent SDK
- Vercel Sandbox: Claude Agent SDK, LangChain, OpenAI Agents SDK, Vercel AI SDK
Trust
- License
- Freestyle VMs: Not listed
- Vercel Sandbox: Not listed
- BYOC
- Freestyle VMs: Not listed
- Vercel Sandbox: Not listed
Hourly cost
One sandbox running for one hour
Freestyle VMs
Vercel Sandbox
- 1 vCPU · 2 GiB
- Freestyle VMs: $0.066
- Vercel Sandbox: $0.170
- 2 vCPU · 4 GiB
- Freestyle VMs: $0.132
- Vercel Sandbox: $0.341
- 4 vCPU · 8 GiB
- Freestyle VMs: $0.264
- Vercel Sandbox: $0.682
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Freestyle VMs fits when
- You want each sandbox to be a full VM.
- You want the lower list price: $0.132 against $0.341 an hour for 2 vCPU and 4 GiB.
- You need a desktop in the sandbox.
- You need a sandbox larger than 8 vCPU · 16 GiB.
Vercel Sandbox fits when
- You want each sandbox in its own microVM.
- You use LangChain 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.
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