LangSmith Sandboxes vs Railway Sandboxes
LangSmith Sandboxes costs $0.0576 per vCPU-hour and Railway Sandboxes costs $0.069444 per vCPU-hour. LangSmith Sandboxes runs Firecracker microVMs. Railway Sandboxes runs full VMs.
Updated
LangSmith Sandboxes
- Isolation
- Firecracker microVM
- Free tier
- Credit of 8 LSU every month
- Max session
- Not listed
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.
LangSmith Sandboxes
Railway Sandboxes
- vCPU, per hour
- LangSmith Sandboxes: $0.0576
- Railway Sandboxes: $0.069444
- RAM, per GiB-hour
- LangSmith Sandboxes: $0.01845
- Railway Sandboxes: $0.069444
- Free tier
- LangSmith Sandboxes: Credit of 8 LSU every month
- Railway Sandboxes: $5 trial credit for 30 days
- Billing
- LangSmith Sandboxes: Per second
- Railway Sandboxes: Active CPU time only
- Idle stop
- LangSmith Sandboxes: After 10 minutes
- Railway Sandboxes: After 30 minutes
- Largest sandbox
- LangSmith Sandboxes: 16 vCPU · 64 GiB
- Railway Sandboxes: 32 vCPU · 32 GiB
- Isolation
- LangSmith Sandboxes: Firecracker microVM
- Railway Sandboxes: Full VM
- SDKs
- LangSmith Sandboxes: Python, TypeScript
- Railway Sandboxes: TypeScript
Full comparison
18 fields, at each provider's list price
LangSmith Sandboxeslangchain
Railway Sandboxesrailway
Pricing
- vCPU, per hour
- LangSmith Sandboxes: $0.0576
- Railway Sandboxes: $0.069444
- RAM, per GiB-hour
- LangSmith Sandboxes: $0.01845
- Railway Sandboxes: $0.069444
- Storage
- LangSmith Sandboxes: $0.000123 per GiB-hour
- Railway Sandboxes: Not listed
- Free tier
- LangSmith Sandboxes: Credit of 8 LSU every month
- Railway Sandboxes: $5 trial credit for 30 days
- Paid plan from
- LangSmith Sandboxes: Not listed
- Railway Sandboxes: $5 / month
- Billing
- LangSmith Sandboxes: Per second
- Railway Sandboxes: Active CPU time only
Limits
- Max session
- LangSmith Sandboxes: Not listed
- Railway Sandboxes: Not listed
- Idle stop
- LangSmith Sandboxes: After 10 minutes
- Railway Sandboxes: After 30 minutes
- Largest sandbox
- LangSmith Sandboxes: 16 vCPU · 64 GiB
- Railway Sandboxes: 32 vCPU · 32 GiB
- Concurrent sandboxes
- LangSmith Sandboxes: Not listed
- Railway Sandboxes: Up to 100
Platform
- Isolation
- LangSmith Sandboxes: Firecracker microVM
- Railway Sandboxes: Full VM
- GPU
- LangSmith Sandboxes: Not listed
- Railway Sandboxes: Not listed
- Snapshots
- LangSmith Sandboxes:
- Railway Sandboxes:
- Pause and resume
- LangSmith Sandboxes:
- Railway Sandboxes: Not listed
Developer
- SDKs
- LangSmith Sandboxes: Python, TypeScript
- Railway Sandboxes: TypeScript
- Integrations
- LangSmith Sandboxes: LangChain
- Railway Sandboxes: Not listed
Trust
- License
- LangSmith Sandboxes: Not listed
- Railway Sandboxes: Not listed
- BYOC
- LangSmith Sandboxes: Enterprise plan
- Railway Sandboxes: Not listed
Hourly cost
One sandbox running for one hour
LangSmith Sandboxes
Railway Sandboxes
- 1 vCPU · 2 GiB
- LangSmith Sandboxes: $0.095
- Railway Sandboxes: $0.208
- 2 vCPU · 4 GiB
- LangSmith Sandboxes: $0.189
- Railway Sandboxes: $0.417
- 4 vCPU · 8 GiB
- LangSmith Sandboxes: $0.378
- Railway Sandboxes: $0.833
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
LangSmith Sandboxes fits when
- You want each sandbox in its own microVM.
- You use LangChain.
- You want the lower list price: $0.189 against $0.417 an hour for 2 vCPU and 4 GiB.
- You need pause and resume.
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.
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