E2B vs Railway Sandboxes
E2B costs $0.0504 per vCPU-hour and Railway Sandboxes costs $0.069444 per vCPU-hour. E2B runs Firecracker microVMs and limits a session to 24 hours. Railway Sandboxes runs full VMs.
Updated
E2B
- Isolation
- Firecracker microVM
- Free tier
- $100 credit, one time
- Max session
- 24 hours
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.
E2B
Railway Sandboxes
- vCPU, per hour
- E2B: $0.0504
- Railway Sandboxes: $0.069444
- RAM, per GiB-hour
- E2B: $0.0162
- Railway Sandboxes: $0.069444
- Free tier
- E2B: $100 credit, one time
- Railway Sandboxes: $5 trial credit for 30 days
- Paid plan from
- E2B: $150 / month
- Railway Sandboxes: $5 / month
- Billing
- E2B: Per second
- Railway Sandboxes: Active CPU time only
- Largest sandbox
- E2B: 8 vCPU · 8 GiB
- Railway Sandboxes: 32 vCPU · 32 GiB
- Concurrent sandboxes
- E2B: Up to 1,100
- Railway Sandboxes: Up to 100
- Isolation
- E2B: Firecracker microVM
- Railway Sandboxes: Full VM
- SDKs
- E2B: Python, JavaScript / TypeScript
- Railway Sandboxes: TypeScript
Full comparison
18 fields, at each provider's list price
Railway Sandboxesrailway
Pricing
- vCPU, per hour
- E2B: $0.0504
- Railway Sandboxes: $0.069444
- RAM, per GiB-hour
- E2B: $0.0162
- Railway Sandboxes: $0.069444
- Storage
- E2B: Free
- Railway Sandboxes: Not listed
- Free tier
- E2B: $100 credit, one time
- Railway Sandboxes: $5 trial credit for 30 days
- Paid plan from
- E2B: $150 / month
- Railway Sandboxes: $5 / month
- Billing
- E2B: Per second
- Railway Sandboxes: Active CPU time only
Limits
- Max session
- E2B: 24 hours
- Railway Sandboxes: Not listed
- Idle stop
- E2B: Not listed
- Railway Sandboxes: After 30 minutes
- Largest sandbox
- E2B: 8 vCPU · 8 GiB
- Railway Sandboxes: 32 vCPU · 32 GiB
- Concurrent sandboxes
- E2B: Up to 1,100
- Railway Sandboxes: Up to 100
Platform
- Isolation
- E2B: Firecracker microVM
- Railway Sandboxes: Full VM
- GPU
- E2B: No
- Railway Sandboxes: Not listed
- Snapshots
- E2B:
- Railway Sandboxes:
- Pause and resume
- E2B:
- Railway Sandboxes: Not listed
Developer
- SDKs
- E2B: Python, JavaScript / TypeScript
- Railway Sandboxes: TypeScript
- Integrations
- E2B: LangChain, OpenAI Agents SDK, Vercel AI SDK, MCP
- Railway Sandboxes: Not listed
Trust
- License
- E2B: Apache-2.0
- Railway Sandboxes: Not listed
- BYOC
- E2B: Enterprise plan
- Railway Sandboxes: Not listed
Hourly cost
One sandbox running for one hour
E2B
Railway Sandboxes
- 1 vCPU · 2 GiB
- E2B: $0.083
- Railway Sandboxes: $0.208
- 2 vCPU · 4 GiB
- E2B: $0.166
- Railway Sandboxes: $0.417
- 4 vCPU · 8 GiB
- E2B: $0.331
- Railway Sandboxes: $0.833
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
E2B fits when
- You want each sandbox in its own microVM.
- You want an open-source platform (Apache-2.0) that you can self-host.
- You use LangChain, the OpenAI Agents SDK, the Vercel AI 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.
- You need a sandbox larger than 8 vCPU · 8 GiB.
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