Blaxel vs Railway Sandboxes

Blaxel bills memory only, at $0.0414 per GiB-hour. Railway Sandboxes costs $0.069444 per vCPU-hour. Blaxel runs microVMs and has no session limit. Railway Sandboxes runs full VMs.

Updated Oct 14, 2026

Blaxel

Sandboxes that pause when idle and resume with state.

Isolation: MicroVM
Free tier: Credit of up to $200
Max session: No limit

Visit site Blaxel 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

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

Field

Blaxel

Railway Sandboxes

vCPU, per hour: Blaxel: Included; Railway Sandboxes: $0.069444
RAM, per GiB-hour: Blaxel: $0.0414; Railway Sandboxes: $0.069444
Free tier: Blaxel: Credit of up to $200; Railway Sandboxes: $5 trial credit for 30 days
Paid plan from: Blaxel: Pay as you go; Railway Sandboxes: $5 / month
Billing: Blaxel: Memory only; Railway Sandboxes: Active CPU time only
Isolation: Blaxel: MicroVM; Railway Sandboxes: Full VM
SDKs: Blaxel: Python, TypeScript, Go; Railway Sandboxes: TypeScript

Full comparison

18 fields, at each provider's list price

Blaxelblaxel.ai/pricing

Railway Sandboxesrailway.com/pricingrailway.com

Pricing

vCPU, per hour: Blaxel: Included; Railway Sandboxes: $0.069444
RAM, per GiB-hour: Blaxel: $0.0414; Railway Sandboxes: $0.069444
Storage: Blaxel: Snapshots $0.20 per GB per month. Volumes $0.12 per GB per month.; Railway Sandboxes: Not listed
Free tier: Blaxel: Credit of up to $200; Railway Sandboxes: $5 trial credit for 30 days
Paid plan from: Blaxel: Pay as you go; Railway Sandboxes: $5 / month
Billing: Blaxel: Memory only; Railway Sandboxes: Active CPU time only

Limits

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

Platform

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

Developer

SDKs: Blaxel: Python, TypeScript, Go; Railway Sandboxes: TypeScript
Integrations: Blaxel: OpenAI Agents SDK, Claude Agent SDK, MCP; Railway Sandboxes: Not listed

Trust

License: Blaxel: Not listed; Railway Sandboxes: Not listed
BYOC: Blaxel: Bring-your-own-metal in your VPC; Railway Sandboxes: Not listed

Hourly cost

One sandbox running for one hour

Size

Blaxel

Railway Sandboxes

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

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Blaxel fits when

You want to pay only for usage, with no plan fee.
You want each sandbox in its own microVM.
You use the OpenAI Agents SDK, the Claude Agent SDK or 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.
Your code waits a lot: CPU is billed only while it is in use.

More comparisons

See all comparisons

Blaxel

Railway Sandboxes

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Blaxel fits when

Railway Sandboxes fits when

More comparisons

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