LangSmith Sandboxes vs Sailboxes

LangSmith Sandboxes costs $0.0576 per vCPU-hour and Sailboxes costs $0.015 per vCPU-hour. LangSmith Sandboxes runs Firecracker microVMs. Sailboxes runs full VMs and has no session limit.

Updated

LangSmith Sandboxes

Isolation
Firecracker microVM
Free tier
Credit of 8 LSU every month
Max session
Not listed

Sailboxes

Isolation
Full VM
Free tier
$5 credit every month
Max session
No limit

What is different

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

LangSmith Sandboxes
Sailboxes
vCPU, per hour
LangSmith Sandboxes: $0.0576
Sailboxes: $0.015
RAM, per GiB-hour
LangSmith Sandboxes: $0.01845
Sailboxes: $0.008
Storage
LangSmith Sandboxes: $0.000123 per GiB-hour
Sailboxes: $0.0007 per GiB-hour
Free tier
LangSmith Sandboxes: Credit of 8 LSU every month
Sailboxes: $5 credit every month
Isolation
LangSmith Sandboxes: Firecracker microVM
Sailboxes: Full VM
SDKs
LangSmith Sandboxes: Python, TypeScript
Sailboxes: Python, TypeScript, Rust

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
LangSmith Sandboxes: $0.0576
Sailboxes: $0.015
RAM, per GiB-hour
LangSmith Sandboxes: $0.01845
Sailboxes: $0.008
Storage
LangSmith Sandboxes: $0.000123 per GiB-hour
Sailboxes: $0.0007 per GiB-hour
Free tier
LangSmith Sandboxes: Credit of 8 LSU every month
Sailboxes: $5 credit every month
Paid plan from
LangSmith Sandboxes: Not listed
Sailboxes: Pay as you go
Billing
LangSmith Sandboxes: Per second
Sailboxes: Per second

Limits

Max session
LangSmith Sandboxes: Not listed
Sailboxes: No limit
Idle stop
LangSmith Sandboxes: After 10 minutes
Sailboxes: Not listed
Largest sandbox
LangSmith Sandboxes: 16 vCPU · 64 GiB
Sailboxes: Not listed
Concurrent sandboxes
LangSmith Sandboxes: Not listed
Sailboxes: Up to 5,000

Platform

Isolation
LangSmith Sandboxes: Firecracker microVM
Sailboxes: Full VM
GPU
LangSmith Sandboxes: Not listed
Sailboxes: Not listed
Snapshots
LangSmith Sandboxes:
Sailboxes:
Pause and resume
LangSmith Sandboxes:
Sailboxes:

Developer

SDKs
LangSmith Sandboxes: Python, TypeScript
Sailboxes: Python, TypeScript, Rust
Integrations
LangSmith Sandboxes: LangChain
Sailboxes: Not listed

Trust

License
LangSmith Sandboxes: Not listed
Sailboxes: Not listed
BYOC
LangSmith Sandboxes: Enterprise plan
Sailboxes: Not listed

Hourly cost

One sandbox running for one hour

LangSmith Sandboxes
Sailboxes
1 vCPU · 2 GiB
LangSmith Sandboxes: $0.095
Sailboxes: $0.031
2 vCPU · 4 GiB
LangSmith Sandboxes: $0.189
Sailboxes: $0.062
4 vCPU · 8 GiB
LangSmith Sandboxes: $0.378
Sailboxes: $0.124

Compute only, at list rates.

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Which 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 larger free credit: $8 against $5.
  • You need the sandboxes in your own cloud account.

Sailboxes fits when

  • You want each sandbox to be a full VM.
  • You want the lower list price: $0.062 against $0.189 an hour for 2 vCPU and 4 GiB.
  • You need SOC 2 and HIPAA.

More comparisons

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