Isorun vs LangSmith Sandboxes

Isorun costs $0.025 per vCPU-hour and LangSmith Sandboxes costs $0.0576 per vCPU-hour. Isorun runs microVMs. LangSmith Sandboxes runs Firecracker microVMs.

Updated

Isorun

Isolation
MicroVM
Free tier
$50 credit
Max session
Not listed

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.

Isorun
LangSmith Sandboxes
vCPU, per hour
Isorun: $0.025
LangSmith Sandboxes: $0.0576
RAM, per GiB-hour
Isorun: $0.015
LangSmith Sandboxes: $0.01845
Storage
Isorun: Persistent disk $0.02 per GB-month for data stored
LangSmith Sandboxes: $0.000123 per GiB-hour
Free tier
Isorun: $50 credit
LangSmith Sandboxes: Credit of 8 LSU every month
Isolation
Isorun: MicroVM
LangSmith Sandboxes: Firecracker microVM
SDKs
Isorun: TypeScript
LangSmith Sandboxes: Python, TypeScript
Integrations
Isorun: LangChain, OpenAI Agents SDK, MCP
LangSmith Sandboxes: LangChain

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Isorun: $0.025
LangSmith Sandboxes: $0.0576
RAM, per GiB-hour
Isorun: $0.015
LangSmith Sandboxes: $0.01845
Storage
Isorun: Persistent disk $0.02 per GB-month for data stored
LangSmith Sandboxes: $0.000123 per GiB-hour
Free tier
Isorun: $50 credit
LangSmith Sandboxes: Credit of 8 LSU every month
Paid plan from
Isorun: Pay as you go
LangSmith Sandboxes: Not listed
Billing
Isorun: Per second
LangSmith Sandboxes: Per second

Limits

Max session
Isorun: Not listed
LangSmith Sandboxes: Not listed
Idle stop
Isorun: Not listed
LangSmith Sandboxes: After 10 minutes
Largest sandbox
Isorun: Not listed
LangSmith Sandboxes: 16 vCPU · 64 GiB
Concurrent sandboxes
Isorun: Not listed
LangSmith Sandboxes: Not listed

Platform

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

Developer

SDKs
Isorun: TypeScript
LangSmith Sandboxes: Python, TypeScript
Integrations
Isorun: LangChain, OpenAI Agents SDK, MCP
LangSmith Sandboxes: LangChain

Trust

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

Hourly cost

One sandbox running for one hour

Isorun
LangSmith Sandboxes
1 vCPU · 2 GiB
Isorun: $0.055
LangSmith Sandboxes: $0.095
2 vCPU · 4 GiB
Isorun: $0.110
LangSmith Sandboxes: $0.189
4 vCPU · 8 GiB
Isorun: $0.220
LangSmith Sandboxes: $0.378

Compute only, at list rates.

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Which one fits

Based on the fields above

Isorun fits when

  • You use the OpenAI Agents SDK or MCP.
  • You want the lower list price: $0.110 against $0.189 an hour for 2 vCPU and 4 GiB.
  • You want the larger free credit: $50 against $8.
  • You need a desktop in the sandbox.

LangSmith Sandboxes fits when

  • You need the sandboxes in your own cloud account.

More comparisons

See all comparisons

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