LangSmith Sandboxes vs Zipbox

LangSmith Sandboxes costs $0.0576 per vCPU-hour and Zipbox costs $0.00685 per vCPU-hour. LangSmith Sandboxes runs Firecracker microVMs. Zipbox runs Firecracker microVMs and has no session limit.

Updated

LangSmith Sandboxes

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

Zipbox

Isolation
Firecracker microVM
Free tier
$25 credit after a one-time $5 top-up
Max session
No limit

What is different

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

LangSmith Sandboxes
Zipbox
vCPU, per hour
LangSmith Sandboxes: $0.0576
Zipbox: $0.00685
RAM, per GiB-hour
LangSmith Sandboxes: $0.01845
Zipbox: Included
Storage
LangSmith Sandboxes: $0.000123 per GiB-hour
Zipbox: Free
Free tier
LangSmith Sandboxes: Credit of 8 LSU every month
Zipbox: $25 credit after a one-time $5 top-up
Billing
LangSmith Sandboxes: Per second
Zipbox: Bundled machine time
Largest sandbox
LangSmith Sandboxes: 16 vCPU · 64 GiB
Zipbox: 6 vCPU · 16 GiB
Snapshots
LangSmith Sandboxes:
Zipbox: No
Pause and resume
LangSmith Sandboxes:
Zipbox: No
SDKs
LangSmith Sandboxes: Python, TypeScript
Zipbox: TypeScript, Python, Go, Rust
Integrations
LangSmith Sandboxes: LangChain, MCP
Zipbox: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
LangSmith Sandboxes: $0.0576
Zipbox: $0.00685
RAM, per GiB-hour
LangSmith Sandboxes: $0.01845
Zipbox: Included
Storage
LangSmith Sandboxes: $0.000123 per GiB-hour
Zipbox: Free
Free tier
LangSmith Sandboxes: Credit of 8 LSU every month
Zipbox: $25 credit after a one-time $5 top-up
Paid plan from
LangSmith Sandboxes: Pay as you go
Zipbox: Pay as you go
Billing
LangSmith Sandboxes: Per second
Zipbox: Bundled machine time

Limits

Max session
LangSmith Sandboxes: Not listed
Zipbox: No limit
Idle stop
LangSmith Sandboxes: After 10 minutes
Zipbox: Not listed
Largest sandbox
LangSmith Sandboxes: 16 vCPU · 64 GiB
Zipbox: 6 vCPU · 16 GiB
Concurrent sandboxes
LangSmith Sandboxes: Not listed
Zipbox: Not listed

Platform

Isolation
LangSmith Sandboxes: Firecracker microVM
Zipbox: Firecracker microVM
GPU
LangSmith Sandboxes: Not listed
Zipbox: Not listed
Snapshots
LangSmith Sandboxes:
Zipbox: No
Pause and resume
LangSmith Sandboxes:
Zipbox: No

Developer

SDKs
LangSmith Sandboxes: Python, TypeScript
Zipbox: TypeScript, Python, Go, Rust
Integrations
LangSmith Sandboxes: LangChain, MCP
Zipbox: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain

Trust

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

Hourly cost

One sandbox running for one hour

LangSmith Sandboxes
Zipbox
1 vCPU · 2 GiB
LangSmith Sandboxes: $0.095
Zipbox: $0.007
2 vCPU · 4 GiB
LangSmith Sandboxes: $0.189
Zipbox: $0.014
4 vCPU · 8 GiB
LangSmith Sandboxes: $0.378
Zipbox: $0.027

Compute only, at list rates.

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Which one fits

Based on the fields above

LangSmith Sandboxes fits when

  • You need snapshots.
  • You need pause and resume.
  • You need the sandboxes in your own cloud account.
  • You need a sandbox larger than 6 vCPU · 16 GiB.

Zipbox fits when

  • You use Claude Code, the Claude Agent SDK, the OpenAI Agents SDK or the Vercel AI SDK.
  • You want the lower list price: $0.014 against $0.189 an hour for 2 vCPU and 4 GiB.
  • You want the larger free credit: $25 against $8.
  • You need a desktop in the sandbox.

More comparisons

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