LangSmith Sandboxes vs PandaStack Sandbox
LangSmith Sandboxes costs $0.0576 per vCPU-hour and PandaStack Sandbox costs $0.054 per vCPU-hour. LangSmith Sandboxes runs Firecracker microVMs. PandaStack Sandbox 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
PandaStack Sandbox
- Isolation
- Firecracker microVM
- Free tier
- $5.40 usage credit every month
- Max session
- No limit
What is different
8 fields differ. The rest are the same or not listed.
LangSmith Sandboxes
PandaStack Sandbox
- vCPU, per hour
- LangSmith Sandboxes: $0.0576
- PandaStack Sandbox: $0.054
- RAM, per GiB-hour
- LangSmith Sandboxes: $0.01845
- PandaStack Sandbox: $0.0162
- Storage
- LangSmith Sandboxes: $0.000123 per GiB-hour
- PandaStack Sandbox: $0.15 per GiB-month beyond the plan volume quota
- Free tier
- LangSmith Sandboxes: Credit of 8 LSU every month
- PandaStack Sandbox: $5.40 usage credit every month
- Billing
- LangSmith Sandboxes: Per second
- PandaStack Sandbox: Active CPU time only
- Idle stop
- LangSmith Sandboxes: After 10 minutes
- PandaStack Sandbox: After 60 minutes
- Largest sandbox
- LangSmith Sandboxes: 16 vCPU · 64 GiB
- PandaStack Sandbox: 8 vCPU · 64 GiB
- Integrations
- LangSmith Sandboxes: LangChain
- PandaStack Sandbox: LangChain, OpenAI Agents SDK, Vercel AI SDK, MCP
Full comparison
18 fields, at each provider's list price
LangSmith Sandboxeslangchain
PandaStack Sandboxpandastack
Pricing
- vCPU, per hour
- LangSmith Sandboxes: $0.0576
- PandaStack Sandbox: $0.054
- RAM, per GiB-hour
- LangSmith Sandboxes: $0.01845
- PandaStack Sandbox: $0.0162
- Storage
- LangSmith Sandboxes: $0.000123 per GiB-hour
- PandaStack Sandbox: $0.15 per GiB-month beyond the plan volume quota
- Free tier
- LangSmith Sandboxes: Credit of 8 LSU every month
- PandaStack Sandbox: $5.40 usage credit every month
- Paid plan from
- LangSmith Sandboxes: Not listed
- PandaStack Sandbox: $20 / month
- Billing
- LangSmith Sandboxes: Per second
- PandaStack Sandbox: Active CPU time only
Limits
- Max session
- LangSmith Sandboxes: Not listed
- PandaStack Sandbox: No limit
- Idle stop
- LangSmith Sandboxes: After 10 minutes
- PandaStack Sandbox: After 60 minutes
- Largest sandbox
- LangSmith Sandboxes: 16 vCPU · 64 GiB
- PandaStack Sandbox: 8 vCPU · 64 GiB
- Concurrent sandboxes
- LangSmith Sandboxes: Not listed
- PandaStack Sandbox: Up to 500
Platform
- Isolation
- LangSmith Sandboxes: Firecracker microVM
- PandaStack Sandbox: Firecracker microVM
- GPU
- LangSmith Sandboxes: Not listed
- PandaStack Sandbox: Not listed
- Snapshots
- LangSmith Sandboxes:
- PandaStack Sandbox:
- Pause and resume
- LangSmith Sandboxes:
- PandaStack Sandbox:
Developer
- SDKs
- LangSmith Sandboxes: Python, TypeScript
- PandaStack Sandbox: Python, TypeScript
- Integrations
- LangSmith Sandboxes: LangChain
- PandaStack Sandbox: LangChain, OpenAI Agents SDK, Vercel AI SDK, MCP
Trust
- License
- LangSmith Sandboxes: Not listed
- PandaStack Sandbox: Apache-2.0
- BYOC
- LangSmith Sandboxes: Enterprise plan
- PandaStack Sandbox: Enterprise plan, BYO-VPC
Hourly cost
One sandbox running for one hour
LangSmith Sandboxes
PandaStack Sandbox
- 1 vCPU · 2 GiB
- LangSmith Sandboxes: $0.095
- PandaStack Sandbox: $0.086
- 2 vCPU · 4 GiB
- LangSmith Sandboxes: $0.189
- PandaStack Sandbox: $0.173
- 4 vCPU · 8 GiB
- LangSmith Sandboxes: $0.378
- PandaStack Sandbox: $0.346
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
LangSmith Sandboxes fits when
- You want the larger free credit: $8 against $5.40.
- You need a sandbox larger than 8 vCPU · 64 GiB.
PandaStack Sandbox fits when
- You want an open-source platform (Apache-2.0) that you can self-host.
- You use the OpenAI Agents SDK, the Vercel AI SDK or MCP.
- You want the lower list price: $0.173 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.
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