Koyeb Sandboxes vs Railway Sandboxes

Koyeb Sandboxes costs $0.0144 per vCPU-hour and Railway Sandboxes costs $0.069444 per vCPU-hour. Koyeb Sandboxes runs microVMs. Railway Sandboxes runs full VMs.

Updated Oct 14, 2026

Koyeb Sandboxes

Sandboxes for AI agents, run as Koyeb Instances.

Isolation: MicroVM
Free tier: Not listed
Max session: Not listed

Visit site Koyeb Sandboxes profile

Railway Sandboxes

Isolated Linux VMs you create on demand and destroy.

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

Visit site Railway Sandboxes profile

What is different

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

Field

Koyeb Sandboxes

Railway Sandboxes

vCPU, per hour: Koyeb Sandboxes: $0.0144; Railway Sandboxes: $0.069444
RAM, per GiB-hour: Koyeb Sandboxes: Included; Railway Sandboxes: $0.069444
Billing: Koyeb Sandboxes: Bundled machine time; Railway Sandboxes: Active CPU time only
Isolation: Koyeb Sandboxes: MicroVM; Railway Sandboxes: Full VM
SDKs: Koyeb Sandboxes: Python, JavaScript; Railway Sandboxes: TypeScript

Full comparison

18 fields, at each provider's list price

Koyeb Sandboxeskoyeb.com/docs/reference/instanceskoyeb.com

Railway Sandboxesrailway.com/pricingrailway.com

Pricing

vCPU, per hour: Koyeb Sandboxes: $0.0144; Railway Sandboxes: $0.069444
RAM, per GiB-hour: Koyeb Sandboxes: Included; Railway Sandboxes: $0.069444
Storage: Koyeb Sandboxes: Not listed; Railway Sandboxes: Not listed
Free tier: Koyeb Sandboxes: Not listed; Railway Sandboxes: $5 trial credit for 30 days
Paid plan from: Koyeb Sandboxes: Not listed; Railway Sandboxes: $5 / month
Billing: Koyeb Sandboxes: Bundled machine time; Railway Sandboxes: Active CPU time only

Limits

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

Platform

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

Developer

SDKs: Koyeb Sandboxes: Python, JavaScript; Railway Sandboxes: TypeScript
Integrations: Koyeb Sandboxes: Not listed; Railway Sandboxes: Not listed

Trust

License: Koyeb Sandboxes: Not listed; Railway Sandboxes: Not listed
BYOC: Koyeb Sandboxes: Not listed; Railway Sandboxes: Not listed

Hourly cost

One sandbox running for one hour

Size

Koyeb Sandboxes

Railway Sandboxes

1 vCPU · 2 GiB: Koyeb Sandboxes: $0.014; Railway Sandboxes: $0.208
2 vCPU · 4 GiB: Koyeb Sandboxes: $0.029; Railway Sandboxes: $0.417
4 vCPU · 8 GiB: Koyeb Sandboxes: $0.058; Railway Sandboxes: $0.833

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Koyeb Sandboxes fits when

You want each sandbox in its own microVM.
You want the lower list price: $0.029 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 need snapshots.
Your code waits a lot: CPU is billed only while it is in use.

More comparisons

See all comparisons

Koyeb Sandboxes

Railway Sandboxes

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Koyeb Sandboxes fits when

Railway Sandboxes fits when

More comparisons

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