Docker Sandboxes vs Railway Sandboxes

Docker Sandboxes costs $0.07 per vCPU-hour and Railway Sandboxes costs $0.069444 per vCPU-hour. Docker Sandboxes runs microVMs. Railway Sandboxes runs full VMs.

Updated

Docker Sandboxes

Isolation
MicroVM
Free tier
One-time promotional credit for cloud compute
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.

Docker Sandboxes
Railway Sandboxes
vCPU, per hour
Docker Sandboxes: $0.07
Railway Sandboxes: $0.069444
RAM, per GiB-hour
Docker Sandboxes: Included
Railway Sandboxes: $0.069444
Free tier
Docker Sandboxes: One-time promotional credit for cloud compute
Railway Sandboxes: $5 trial credit for 30 days
Paid plan from
Docker Sandboxes: Pay as you go
Railway Sandboxes: $5 / month
Billing
Docker Sandboxes: Bundled machine time
Railway Sandboxes: Active CPU time only
Largest sandbox
Docker Sandboxes: 16 vCPU · 32 GiB
Railway Sandboxes: 32 vCPU · 32 GiB
Concurrent sandboxes
Docker Sandboxes: Up to 10
Railway Sandboxes: Up to 100
Isolation
Docker Sandboxes: MicroVM
Railway Sandboxes: Full VM
SDKs
Docker Sandboxes: JavaScript / TypeScript
Railway Sandboxes: TypeScript

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Docker Sandboxes: $0.07
Railway Sandboxes: $0.069444
RAM, per GiB-hour
Docker Sandboxes: Included
Railway Sandboxes: $0.069444
Storage
Docker Sandboxes: Not listed
Railway Sandboxes: Not listed
Free tier
Docker Sandboxes: One-time promotional credit for cloud compute
Railway Sandboxes: $5 trial credit for 30 days
Paid plan from
Docker Sandboxes: Pay as you go
Railway Sandboxes: $5 / month
Billing
Docker Sandboxes: Bundled machine time
Railway Sandboxes: Active CPU time only

Limits

Max session
Docker Sandboxes: Not listed
Railway Sandboxes: Not listed
Idle stop
Docker Sandboxes: Not listed
Railway Sandboxes: After 30 minutes
Largest sandbox
Docker Sandboxes: 16 vCPU · 32 GiB
Railway Sandboxes: 32 vCPU · 32 GiB
Concurrent sandboxes
Docker Sandboxes: Up to 10
Railway Sandboxes: Up to 100

Platform

Isolation
Docker Sandboxes: MicroVM
Railway Sandboxes: Full VM
GPU
Docker Sandboxes: Not listed
Railway Sandboxes: Not listed
Snapshots
Docker Sandboxes:
Railway Sandboxes:
Pause and resume
Docker Sandboxes:
Railway Sandboxes: Not listed

Developer

SDKs
Docker Sandboxes: JavaScript / TypeScript
Railway Sandboxes: TypeScript
Integrations
Docker Sandboxes: MCP
Railway Sandboxes: Not listed

Trust

License
Docker Sandboxes: Not listed
Railway Sandboxes: Not listed
BYOC
Docker Sandboxes: Not listed
Railway Sandboxes: Not listed

Hourly cost

One sandbox running for one hour

Docker Sandboxes
Railway Sandboxes
1 vCPU · 2 GiB
Docker Sandboxes: $0.070
Railway Sandboxes: $0.208
2 vCPU · 4 GiB
Docker Sandboxes: $0.140
Railway Sandboxes: $0.417
4 vCPU · 8 GiB
Docker Sandboxes: $0.280
Railway Sandboxes: $0.833

Compute only, at list rates.

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Which one fits

Based on the fields above

Docker Sandboxes fits when

  • You want to pay only for usage, with no plan fee.
  • You want each sandbox in its own microVM.
  • You use MCP.
  • You want the lower list price: $0.140 against $0.417 an hour for 2 vCPU and 4 GiB.

Railway Sandboxes fits when

  • You want each sandbox to be a full VM.
  • Your code waits a lot: CPU is billed only while it is in use.
  • You need a sandbox larger than 16 vCPU · 32 GiB.

More comparisons

See all comparisons

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