Cloudflare Sandbox vs LangSmith Sandboxes

Cloudflare Sandbox costs $0.072 per vCPU-hour and LangSmith Sandboxes costs $0.0576 per vCPU-hour. Cloudflare Sandbox runs Firecracker microVMs. LangSmith Sandboxes runs Firecracker microVMs.

Updated

Cloudflare Sandbox

Isolation
Firecracker microVM
Free tier
None
Max session
Not listed

LangSmith Sandboxes

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

What is different

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

Cloudflare Sandbox
LangSmith Sandboxes
vCPU, per hour
Cloudflare Sandbox: $0.072
LangSmith Sandboxes: $0.0576
RAM, per GiB-hour
Cloudflare Sandbox: $0.009
LangSmith Sandboxes: $0.01845
Storage
Cloudflare Sandbox: $0.000252 per GiB-hour
LangSmith Sandboxes: $0.000123 per GiB-hour
Free tier
Cloudflare Sandbox: None
LangSmith Sandboxes: Credit of 8 LSU every month
Billing
Cloudflare Sandbox: Active CPU time only
LangSmith Sandboxes: Per second
Largest sandbox
Cloudflare Sandbox: 4 vCPU · 12 GiB
LangSmith Sandboxes: 16 vCPU · 64 GiB
SDKs
Cloudflare Sandbox: TypeScript
LangSmith Sandboxes: Python, TypeScript
Integrations
Cloudflare Sandbox: Claude Code
LangSmith Sandboxes: LangChain

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Cloudflare Sandbox: $0.072
LangSmith Sandboxes: $0.0576
RAM, per GiB-hour
Cloudflare Sandbox: $0.009
LangSmith Sandboxes: $0.01845
Storage
Cloudflare Sandbox: $0.000252 per GiB-hour
LangSmith Sandboxes: $0.000123 per GiB-hour
Free tier
Cloudflare Sandbox: None
LangSmith Sandboxes: Credit of 8 LSU every month
Paid plan from
Cloudflare Sandbox: $5 / month
LangSmith Sandboxes: Not listed
Billing
Cloudflare Sandbox: Active CPU time only
LangSmith Sandboxes: Per second

Limits

Max session
Cloudflare Sandbox: Not listed
LangSmith Sandboxes: Not listed
Idle stop
Cloudflare Sandbox: Not listed
LangSmith Sandboxes: After 10 minutes
Largest sandbox
Cloudflare Sandbox: 4 vCPU · 12 GiB
LangSmith Sandboxes: 16 vCPU · 64 GiB
Concurrent sandboxes
Cloudflare Sandbox: Not listed
LangSmith Sandboxes: Not listed

Platform

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

Developer

SDKs
Cloudflare Sandbox: TypeScript
LangSmith Sandboxes: Python, TypeScript
Integrations
Cloudflare Sandbox: Claude Code
LangSmith Sandboxes: LangChain

Trust

License
Cloudflare Sandbox: Not listed
LangSmith Sandboxes: Not listed
BYOC
Cloudflare Sandbox: Not listed
LangSmith Sandboxes: Enterprise plan

Hourly cost

One sandbox running for one hour

Cloudflare Sandbox
LangSmith Sandboxes
1 vCPU · 2 GiB
Cloudflare Sandbox: $0.090
LangSmith Sandboxes: $0.095
2 vCPU · 4 GiB
Cloudflare Sandbox: $0.180
LangSmith Sandboxes: $0.189
4 vCPU · 8 GiB
Cloudflare Sandbox: $0.360
LangSmith Sandboxes: $0.378

Compute only, at list rates.

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Which one fits

Based on the fields above

Cloudflare Sandbox fits when

  • You use Claude Code.
  • You want the lower list price: $0.180 against $0.189 an hour for 2 vCPU and 4 GiB.
  • Your code waits a lot: CPU is billed only while it is in use.

LangSmith Sandboxes fits when

  • You use LangChain.
  • You want to start without paying.
  • You need pause and resume.
  • You need the sandboxes in your own cloud account.

More comparisons

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