Freestyle VMs vs Railway Sandboxes
Freestyle VMs costs $0.04032 per vCPU-hour and Railway Sandboxes costs $0.069444 per vCPU-hour. Freestyle VMs runs full VMs. Railway Sandboxes runs full VMs.
Updated
Freestyle VMs
- Isolation
- Full VM
- Free tier
- Free plan, $0 forever
- Max session
- Not listed
Railway Sandboxes
- Isolation
- Full VM
- Free tier
- $5 trial credit for 30 days
- Max session
- Not listed
What is different
9 fields differ. The rest are the same or not listed.
Freestyle VMs
Railway Sandboxes
- vCPU, per hour
- Freestyle VMs: $0.04032
- Railway Sandboxes: $0.069444
- RAM, per GiB-hour
- Freestyle VMs: $0.0129
- Railway Sandboxes: $0.069444
- Free tier
- Freestyle VMs: Free plan, $0 forever
- Railway Sandboxes: $5 trial credit for 30 days
- Paid plan from
- Freestyle VMs: $50 / month
- Railway Sandboxes: $5 / month
- Billing
- Freestyle VMs: Per second
- Railway Sandboxes: Active CPU time only
- Largest sandbox
- Freestyle VMs: 32 vCPU · 64 GiB
- Railway Sandboxes: 32 vCPU · 32 GiB
- Concurrent sandboxes
- Freestyle VMs: Up to 400
- Railway Sandboxes: Up to 100
- SDKs
- Freestyle VMs: JavaScript
- Railway Sandboxes: TypeScript
- Integrations
- Freestyle VMs: OpenAI Agents SDK, Claude Agent SDK, Claude Code
- Railway Sandboxes: Claude Code
Full comparison
18 fields, at each provider's list price
Freestyle VMsfreestyle
Railway Sandboxesrailway
Pricing
- vCPU, per hour
- Freestyle VMs: $0.04032
- Railway Sandboxes: $0.069444
- RAM, per GiB-hour
- Freestyle VMs: $0.0129
- Railway Sandboxes: $0.069444
- Storage
- Freestyle VMs: $0.000086 per GiB-hour
- Railway Sandboxes: Not listed
- Free tier
- Freestyle VMs: Free plan, $0 forever
- Railway Sandboxes: $5 trial credit for 30 days
- Paid plan from
- Freestyle VMs: $50 / month
- Railway Sandboxes: $5 / month
- Billing
- Freestyle VMs: Per second
- Railway Sandboxes: Active CPU time only
Limits
- Max session
- Freestyle VMs: Not listed
- Railway Sandboxes: Not listed
- Idle stop
- Freestyle VMs: Not listed
- Railway Sandboxes: After 30 minutes
- Largest sandbox
- Freestyle VMs: 32 vCPU · 64 GiB
- Railway Sandboxes: 32 vCPU · 32 GiB
- Concurrent sandboxes
- Freestyle VMs: Up to 400
- Railway Sandboxes: Up to 100
Platform
- Isolation
- Freestyle VMs: Full VM
- Railway Sandboxes: Full VM
- GPU
- Freestyle VMs: Not listed
- Railway Sandboxes: Not listed
- Snapshots
- Freestyle VMs:
- Railway Sandboxes:
- Pause and resume
- Freestyle VMs:
- Railway Sandboxes: Not listed
Developer
- SDKs
- Freestyle VMs: JavaScript
- Railway Sandboxes: TypeScript
- Integrations
- Freestyle VMs: OpenAI Agents SDK, Claude Agent SDK, Claude Code
- Railway Sandboxes: Claude Code
Trust
- License
- Freestyle VMs: Not listed
- Railway Sandboxes: Not listed
- BYOC
- Freestyle VMs: Not listed
- Railway Sandboxes: Not listed
Hourly cost
One sandbox running for one hour
Freestyle VMs
Railway Sandboxes
- 1 vCPU · 2 GiB
- Freestyle VMs: $0.066
- Railway Sandboxes: $0.208
- 2 vCPU · 4 GiB
- Freestyle VMs: $0.132
- Railway Sandboxes: $0.417
- 4 vCPU · 8 GiB
- Freestyle VMs: $0.264
- Railway Sandboxes: $0.833
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 or the Claude Agent SDK.
- You want the lower list price: $0.132 against $0.417 an hour for 2 vCPU and 4 GiB.
- You need pause and resume.
- You need a desktop in the sandbox.
Railway Sandboxes fits when
- Your code waits a lot: CPU is billed only while it is in use.
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