LangSmith Sandboxes vs RemoteHost

LangSmith Sandboxes costs $0.0576 per vCPU-hour. LangSmith Sandboxes runs Firecracker microVMs. RemoteHost runs Firecracker microVMs and limits a session to 72 hours.

Updated

LangSmith Sandboxes

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

RemoteHost

Isolation
Firecracker microVM
Free tier
7-day free trial
Max session
72 hours

What is different

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

LangSmith Sandboxes
RemoteHost
RAM, per GiB-hour
LangSmith Sandboxes: $0.01845
RemoteHost: Included
Storage
LangSmith Sandboxes: $0.000123 per GiB-hour
RemoteHost: Free
Free tier
LangSmith Sandboxes: Credit of 8 LSU every month
RemoteHost: 7-day free trial
Billing
LangSmith Sandboxes: Per second
RemoteHost: Bundled machine time
Largest sandbox
LangSmith Sandboxes: 16 vCPU · 64 GiB
RemoteHost: 8 vCPU · 16 GiB
SDKs
LangSmith Sandboxes: Python, TypeScript
RemoteHost: TypeScript
Integrations
LangSmith Sandboxes: LangChain
RemoteHost: MCP, Claude Code

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
LangSmith Sandboxes: $0.0576
RemoteHost: Not listed
RAM, per GiB-hour
LangSmith Sandboxes: $0.01845
RemoteHost: Included
Storage
LangSmith Sandboxes: $0.000123 per GiB-hour
RemoteHost: Free
Free tier
LangSmith Sandboxes: Credit of 8 LSU every month
RemoteHost: 7-day free trial
Paid plan from
LangSmith Sandboxes: Not listed
RemoteHost: $20 / month
Billing
LangSmith Sandboxes: Per second
RemoteHost: Bundled machine time

Limits

Max session
LangSmith Sandboxes: Not listed
RemoteHost: 72 hours
Idle stop
LangSmith Sandboxes: After 10 minutes
RemoteHost: Not listed
Largest sandbox
LangSmith Sandboxes: 16 vCPU · 64 GiB
RemoteHost: 8 vCPU · 16 GiB
Concurrent sandboxes
LangSmith Sandboxes: Not listed
RemoteHost: Up to 2,000

Platform

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

Developer

SDKs
LangSmith Sandboxes: Python, TypeScript
RemoteHost: TypeScript
Integrations
LangSmith Sandboxes: LangChain
RemoteHost: MCP, Claude Code

Trust

License
LangSmith Sandboxes: Not listed
RemoteHost: Not listed
BYOC
LangSmith Sandboxes: Enterprise plan
RemoteHost: Enterprise, on hardware you own

Hourly cost

One sandbox running for one hour

LangSmith Sandboxes
RemoteHost
1 vCPU · 2 GiB
LangSmith Sandboxes: $0.095
RemoteHost: Not listed
2 vCPU · 4 GiB
LangSmith Sandboxes: $0.189
RemoteHost: Not listed
4 vCPU · 8 GiB
LangSmith Sandboxes: $0.378
RemoteHost: Not listed

Compute only, at list rates.

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Which one fits

Based on the fields above

LangSmith Sandboxes fits when

  • You use LangChain.
  • You need a sandbox larger than 8 vCPU · 16 GiB.

RemoteHost fits when

  • You use MCP or Claude Code.

More comparisons

See all comparisons

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