Caged vs LangSmith Sandboxes

Caged costs $0.06 per vCPU-hour and LangSmith Sandboxes costs $0.0576 per vCPU-hour. Caged runs Firecracker microVMs and limits a session to 4 hours. LangSmith Sandboxes runs Firecracker microVMs.

Updated

Caged

Isolation
Firecracker microVM
Free tier
Free plan, 5 sandboxes a day
Max session
4 hours

LangSmith Sandboxes

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

What is different

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

Caged
LangSmith Sandboxes
vCPU, per hour
Caged: $0.06
LangSmith Sandboxes: $0.0576
RAM, per GiB-hour
Caged: Included
LangSmith Sandboxes: $0.01845
Storage
Caged: Free
LangSmith Sandboxes: $0.000123 per GiB-hour
Free tier
Caged: Free plan, 5 sandboxes a day
LangSmith Sandboxes: Credit of 8 LSU every month
Billing
Caged: Bundled machine time
LangSmith Sandboxes: Per second
Largest sandbox
Caged: 8 vCPU · 8 GiB
LangSmith Sandboxes: 16 vCPU · 64 GiB
Integrations
Caged: MCP
LangSmith Sandboxes: LangChain

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Caged: $0.06
LangSmith Sandboxes: $0.0576
RAM, per GiB-hour
Caged: Included
LangSmith Sandboxes: $0.01845
Storage
Caged: Free
LangSmith Sandboxes: $0.000123 per GiB-hour
Free tier
Caged: Free plan, 5 sandboxes a day
LangSmith Sandboxes: Credit of 8 LSU every month
Paid plan from
Caged: $29 / month
LangSmith Sandboxes: Not listed
Billing
Caged: Bundled machine time
LangSmith Sandboxes: Per second

Limits

Max session
Caged: 4 hours
LangSmith Sandboxes: Not listed
Idle stop
Caged: Not listed
LangSmith Sandboxes: After 10 minutes
Largest sandbox
Caged: 8 vCPU · 8 GiB
LangSmith Sandboxes: 16 vCPU · 64 GiB
Concurrent sandboxes
Caged: Up to 5
LangSmith Sandboxes: Not listed

Platform

Isolation
Caged: Firecracker microVM
LangSmith Sandboxes: Firecracker microVM
GPU
Caged: Not listed
LangSmith Sandboxes: Not listed
Snapshots
Caged: Not listed
LangSmith Sandboxes:
Pause and resume
Caged: Not listed
LangSmith Sandboxes:

Developer

SDKs
Caged: Not listed
LangSmith Sandboxes: Python, TypeScript
Integrations
Caged: MCP
LangSmith Sandboxes: LangChain

Trust

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

Hourly cost

One sandbox running for one hour

Caged
LangSmith Sandboxes
1 vCPU · 2 GiB
Caged: $0.060
LangSmith Sandboxes: $0.095
2 vCPU · 4 GiB
Caged: $0.120
LangSmith Sandboxes: $0.189
4 vCPU · 8 GiB
Caged: $0.240
LangSmith Sandboxes: $0.378

Compute only, at list rates.

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Which one fits

Based on the fields above

Caged fits when

  • You use MCP.
  • You want the lower list price: $0.120 against $0.189 an hour for 2 vCPU and 4 GiB.

LangSmith Sandboxes fits when

  • You use LangChain.
  • You need snapshots.
  • You need pause and resume.
  • You need the sandboxes in your own cloud account.

More comparisons

See all comparisons

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