HopX vs Railway Sandboxes

HopX costs $0.0504 per vCPU-hour and Railway Sandboxes costs $0.069444 per vCPU-hour. HopX runs Firecracker microVMs and has no session limit. Railway Sandboxes runs full VMs.

Updated

HopX

Isolation
Firecracker microVM
Free tier
$200 credit
Max session
No limit

Railway Sandboxes

Isolation
Full VM
Free tier
$5 trial credit for 30 days
Max session
Not listed

What is different

8 fields differ. The rest are the same or not listed.

HopX
Railway Sandboxes
vCPU, per hour
HopX: $0.0504
Railway Sandboxes: $0.069444
RAM, per GiB-hour
HopX: $0.0162
Railway Sandboxes: $0.069444
Free tier
HopX: $200 credit
Railway Sandboxes: $5 trial credit for 30 days
Paid plan from
HopX: Pay as you go
Railway Sandboxes: $5 / month
Billing
HopX: Per second
Railway Sandboxes: Active CPU time only
Isolation
HopX: Firecracker microVM
Railway Sandboxes: Full VM
SDKs
HopX: Python, JavaScript
Railway Sandboxes: TypeScript
Integrations
HopX: MCP
Railway Sandboxes: Claude Code

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
HopX: $0.0504
Railway Sandboxes: $0.069444
RAM, per GiB-hour
HopX: $0.0162
Railway Sandboxes: $0.069444
Storage
HopX: $0.000108 per GiB-hour
Railway Sandboxes: Not listed
Free tier
HopX: $200 credit
Railway Sandboxes: $5 trial credit for 30 days
Paid plan from
HopX: Pay as you go
Railway Sandboxes: $5 / month
Billing
HopX: Per second
Railway Sandboxes: Active CPU time only

Limits

Max session
HopX: No limit
Railway Sandboxes: Not listed
Idle stop
HopX: Not listed
Railway Sandboxes: After 30 minutes
Largest sandbox
HopX: Not listed
Railway Sandboxes: 32 vCPU · 32 GiB
Concurrent sandboxes
HopX: Not listed
Railway Sandboxes: Up to 100

Platform

Isolation
HopX: Firecracker microVM
Railway Sandboxes: Full VM
GPU
HopX: Not listed
Railway Sandboxes: Not listed
Snapshots
HopX: Not listed
Railway Sandboxes:
Pause and resume
HopX:
Railway Sandboxes: Not listed

Developer

SDKs
HopX: Python, JavaScript
Railway Sandboxes: TypeScript
Integrations
HopX: MCP
Railway Sandboxes: Claude Code

Trust

License
HopX: Not listed
Railway Sandboxes: Not listed
BYOC
HopX: Not listed
Railway Sandboxes: Not listed

Hourly cost

One sandbox running for one hour

HopX
Railway Sandboxes
1 vCPU · 2 GiB
HopX: $0.083
Railway Sandboxes: $0.208
2 vCPU · 4 GiB
HopX: $0.166
Railway Sandboxes: $0.417
4 vCPU · 8 GiB
HopX: $0.331
Railway Sandboxes: $0.833

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

HopX 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: $0.166 against $0.417 an hour for 2 vCPU and 4 GiB.

Railway Sandboxes fits when

  • You want each sandbox to be a full VM.
  • You use Claude Code.
  • You need snapshots.
  • Your code waits a lot: CPU is billed only while it is in use.

More comparisons

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