Freestyle VMs vs Sandbox as a Service
Freestyle VMs costs $0.04032 per vCPU-hour and Sandbox as a Service costs $0.045 per vCPU-hour. Freestyle VMs runs full VMs. Sandbox as a Service runs full VMs and limits a session to 24 hours.
Updated
Freestyle VMs
- Isolation
- Full VM
- Free tier
- Free plan, $0 forever
- Max session
- Not listed
Sandbox as a Service
- Isolation
- Full VM
- Free tier
- $5 credit
- Max session
- 24 hours
What is different
9 fields differ. The rest are the same or not listed.
Freestyle VMs
Sandbox as a Service
- vCPU, per hour
- Freestyle VMs: $0.04032
- Sandbox as a Service: $0.045
- RAM, per GiB-hour
- Freestyle VMs: $0.0129
- Sandbox as a Service: Included
- Free tier
- Freestyle VMs: Free plan, $0 forever
- Sandbox as a Service: $5 credit
- Paid plan from
- Freestyle VMs: $50 / month
- Sandbox as a Service: Pay as you go
- Billing
- Freestyle VMs: Per second
- Sandbox as a Service: Bundled machine time
- Largest sandbox
- Freestyle VMs: 32 vCPU · 64 GiB
- Sandbox as a Service: 8 vCPU · 16 GiB
- Concurrent sandboxes
- Freestyle VMs: Up to 400
- Sandbox as a Service: Up to 20
- SDKs
- Freestyle VMs: JavaScript
- Sandbox as a Service: Python, JavaScript / TypeScript
- Integrations
- Freestyle VMs: OpenAI Agents SDK, Claude Agent SDK, Claude Code
- Sandbox as a Service: MCP
Full comparison
18 fields, at each provider's list price
Freestyle VMsfreestyle
Sandbox as a Servicesandbox-as-a-service
Pricing
- vCPU, per hour
- Freestyle VMs: $0.04032
- Sandbox as a Service: $0.045
- RAM, per GiB-hour
- Freestyle VMs: $0.0129
- Sandbox as a Service: Included
- Storage
- Freestyle VMs: $0.000086 per GiB-hour
- Sandbox as a Service: Not listed
- Free tier
- Freestyle VMs: Free plan, $0 forever
- Sandbox as a Service: $5 credit
- Paid plan from
- Freestyle VMs: $50 / month
- Sandbox as a Service: Pay as you go
- Billing
- Freestyle VMs: Per second
- Sandbox as a Service: Bundled machine time
Limits
- Max session
- Freestyle VMs: Not listed
- Sandbox as a Service: 24 hours
- Idle stop
- Freestyle VMs: Not listed
- Sandbox as a Service: Not listed
- Largest sandbox
- Freestyle VMs: 32 vCPU · 64 GiB
- Sandbox as a Service: 8 vCPU · 16 GiB
- Concurrent sandboxes
- Freestyle VMs: Up to 400
- Sandbox as a Service: Up to 20
Platform
- Isolation
- Freestyle VMs: Full VM
- Sandbox as a Service: Full VM
- GPU
- Freestyle VMs: Not listed
- Sandbox as a Service: Not listed
- Snapshots
- Freestyle VMs:
- Sandbox as a Service:
- Pause and resume
- Freestyle VMs:
- Sandbox as a Service: Not listed
Developer
- SDKs
- Freestyle VMs: JavaScript
- Sandbox as a Service: Python, JavaScript / TypeScript
- Integrations
- Freestyle VMs: OpenAI Agents SDK, Claude Agent SDK, Claude Code
- Sandbox as a Service: MCP
Trust
- License
- Freestyle VMs: Not listed
- Sandbox as a Service: Not listed
- BYOC
- Freestyle VMs: Not listed
- Sandbox as a Service: Not listed
Hourly cost
One sandbox running for one hour
Freestyle VMs
Sandbox as a Service
- 1 vCPU · 2 GiB
- Freestyle VMs: $0.066
- Sandbox as a Service: $0.045
- 2 vCPU · 4 GiB
- Freestyle VMs: $0.132
- Sandbox as a Service: $0.090
- 4 vCPU · 8 GiB
- Freestyle VMs: $0.264
- Sandbox as a Service: $0.180
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Freestyle VMs fits when
- You use the OpenAI Agents SDK, the Claude Agent SDK or Claude Code.
- You need pause and resume.
- You need a desktop in the sandbox.
- You need a sandbox larger than 8 vCPU · 16 GiB.
Sandbox as a Service fits when
- You want to pay only for usage, with no plan fee.
- You use MCP.
- You want the lower list price: $0.090 against $0.132 an hour for 2 vCPU and 4 GiB.
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