LangSmith Sandboxes vs Upstash Box

LangSmith Sandboxes costs $0.0576 per vCPU-hour and Upstash Box costs $0.10 per vCPU-hour. LangSmith Sandboxes runs Firecracker microVMs. Upstash Box runs containers.

Updated

LangSmith Sandboxes

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

Upstash Box

Isolation
Container
Free tier
Free plan, 5 CPU hours per month
Max session
Not listed

What is different

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

LangSmith Sandboxes
Upstash Box
vCPU, per hour
LangSmith Sandboxes: $0.0576
Upstash Box: $0.10
RAM, per GiB-hour
LangSmith Sandboxes: $0.01845
Upstash Box: Included
Storage
LangSmith Sandboxes: $0.000123 per GiB-hour
Upstash Box: $0.10 per GB per month, including snapshots. Included on Fixed.
Free tier
LangSmith Sandboxes: Credit of 8 LSU every month
Upstash Box: Free plan, 5 CPU hours per month
Billing
LangSmith Sandboxes: Per second
Upstash Box: Active CPU time only
Idle stop
LangSmith Sandboxes: After 10 minutes
Upstash Box: After 360 minutes
Largest sandbox
LangSmith Sandboxes: 16 vCPU · 64 GiB
Upstash Box: 8 vCPU · 16 GiB
Isolation
LangSmith Sandboxes: Firecracker microVM
Upstash Box: Container
Integrations
LangSmith Sandboxes: LangChain
Upstash Box: LangChain, Vercel AI SDK

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
LangSmith Sandboxes: $0.0576
Upstash Box: $0.10
RAM, per GiB-hour
LangSmith Sandboxes: $0.01845
Upstash Box: Included
Storage
LangSmith Sandboxes: $0.000123 per GiB-hour
Upstash Box: $0.10 per GB per month, including snapshots. Included on Fixed.
Free tier
LangSmith Sandboxes: Credit of 8 LSU every month
Upstash Box: Free plan, 5 CPU hours per month
Paid plan from
LangSmith Sandboxes: Not listed
Upstash Box: Pay as you go
Billing
LangSmith Sandboxes: Per second
Upstash Box: Active CPU time only

Limits

Max session
LangSmith Sandboxes: Not listed
Upstash Box: Not listed
Idle stop
LangSmith Sandboxes: After 10 minutes
Upstash Box: After 360 minutes
Largest sandbox
LangSmith Sandboxes: 16 vCPU · 64 GiB
Upstash Box: 8 vCPU · 16 GiB
Concurrent sandboxes
LangSmith Sandboxes: Not listed
Upstash Box: Up to 1,000

Platform

Isolation
LangSmith Sandboxes: Firecracker microVM
Upstash Box: Container
GPU
LangSmith Sandboxes: Not listed
Upstash Box: Not listed
Snapshots
LangSmith Sandboxes:
Upstash Box:
Pause and resume
LangSmith Sandboxes:
Upstash Box:

Developer

SDKs
LangSmith Sandboxes: Python, TypeScript
Upstash Box: Python, TypeScript
Integrations
LangSmith Sandboxes: LangChain
Upstash Box: LangChain, Vercel AI SDK

Trust

License
LangSmith Sandboxes: Not listed
Upstash Box: Not listed
BYOC
LangSmith Sandboxes: Enterprise plan
Upstash Box: Not listed

Hourly cost

One sandbox running for one hour

LangSmith Sandboxes
Upstash Box
1 vCPU · 2 GiB
LangSmith Sandboxes: $0.095
Upstash Box: $0.100
2 vCPU · 4 GiB
LangSmith Sandboxes: $0.189
Upstash Box: $0.200
4 vCPU · 8 GiB
LangSmith Sandboxes: $0.378
Upstash Box: $0.400

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 want the lower list price: $0.189 against $0.200 an hour for 2 vCPU and 4 GiB.
  • You need the sandboxes in your own cloud account.
  • You need a sandbox larger than 8 vCPU · 16 GiB.

Upstash Box fits when

  • You use the Vercel AI SDK.
  • Your code waits a lot: CPU is billed only while it is in use.

More comparisons

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