Railway Sandboxes vs Sandbox0

Railway Sandboxes costs $0.069444 per vCPU-hour. Sandbox0 bills memory only, at $0.015 per GiB-hour. Railway Sandboxes runs full VMs. Sandbox0 runs gVisor and has no session limit.

Updated Oct 14, 2026

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

Sandbox0

Long-running agent sandboxes with durable storage.

Isolation: gVisor
Free tier: Not listed
Max session: No limit

Visit site Sandbox0 profile

What is different

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

Field

Railway Sandboxes

Sandbox0

vCPU, per hour: Railway Sandboxes: $0.069444; Sandbox0: Included
RAM, per GiB-hour: Railway Sandboxes: $0.069444; Sandbox0: $0.015
Paid plan from: Railway Sandboxes: $5 / month; Sandbox0: Pay as you go
Billing: Railway Sandboxes: Active CPU time only; Sandbox0: Memory only
Concurrent sandboxes: Railway Sandboxes: Up to 100; Sandbox0: Up to 20
Isolation: Railway Sandboxes: Full VM; Sandbox0: gVisor
SDKs: Railway Sandboxes: TypeScript; Sandbox0: Go, Python, TypeScript
Integrations: Railway Sandboxes: Claude Code; Sandbox0: LangChain, OpenAI Agents SDK

Full comparison

18 fields, at each provider's list price

Railway Sandboxesrailway.com/pricingrailway.com

Sandbox0sandbox0.ai/pricingsandbox0.ai

Pricing

vCPU, per hour: Railway Sandboxes: $0.069444; Sandbox0: Included
RAM, per GiB-hour: Railway Sandboxes: $0.069444; Sandbox0: $0.015
Storage: Railway Sandboxes: Not listed; Sandbox0: Free
Free tier: Railway Sandboxes: $5 trial credit for 30 days; Sandbox0: Not listed
Paid plan from: Railway Sandboxes: $5 / month; Sandbox0: Pay as you go
Billing: Railway Sandboxes: Active CPU time only; Sandbox0: Memory only

Limits

Max session: Railway Sandboxes: Not listed; Sandbox0: No limit
Idle stop: Railway Sandboxes: After 30 minutes; Sandbox0: Not listed
Largest sandbox: Railway Sandboxes: 32 vCPU · 32 GiB; Sandbox0: Not listed
Concurrent sandboxes: Railway Sandboxes: Up to 100; Sandbox0: Up to 20

Platform

Isolation: Railway Sandboxes: Full VM; Sandbox0: gVisor
GPU: Railway Sandboxes: Not listed; Sandbox0: Not listed
Snapshots: Railway Sandboxes:; Sandbox0:
Pause and resume: Railway Sandboxes: Not listed; Sandbox0:

Developer

SDKs: Railway Sandboxes: TypeScript; Sandbox0: Go, Python, TypeScript
Integrations: Railway Sandboxes: Claude Code; Sandbox0: LangChain, OpenAI Agents SDK

Trust

License: Railway Sandboxes: Not listed; Sandbox0: Apache-2.0
BYOC: Railway Sandboxes: Not listed; Sandbox0: Not listed

Hourly cost

One sandbox running for one hour

Size

Railway Sandboxes

Sandbox0

1 vCPU · 2 GiB: Railway Sandboxes: $0.208; Sandbox0: $0.030
2 vCPU · 4 GiB: Railway Sandboxes: $0.417; Sandbox0: $0.060
4 vCPU · 8 GiB: Railway Sandboxes: $0.833; Sandbox0: $0.120

Compute only, at list rates.

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Which one fits

Based on the fields above

Railway Sandboxes fits when

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

Sandbox0 fits when

You want to pay only for usage, with no plan fee.
You want an open-source platform (Apache-2.0) that you can self-host.
You use LangChain or the OpenAI Agents SDK.
You want the lower list price: $0.060 against $0.417 an hour for 2 vCPU and 4 GiB.

More comparisons

See all comparisons

Railway Sandboxes

Sandbox0

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Railway Sandboxes fits when

Sandbox0 fits when

More comparisons

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