LangSmith Sandboxes vs Shardflux
LangSmith Sandboxes costs $0.0576 per vCPU-hour and Shardflux costs $0.04 per vCPU-hour. LangSmith Sandboxes runs Firecracker microVMs. Shardflux runs Firecracker microVMs and offers GPUs.
Updated
LangSmith Sandboxes
- Isolation
- Firecracker microVM
- Free tier
- Credit of 8 LSU every month
- Max session
- Not listed
Shardflux
- Isolation
- Firecracker microVM
- Free tier
- 30-day Pro trial, no card needed
- Max session
- Not listed
What is different
8 fields differ. The rest are the same or not listed.
LangSmith Sandboxes
Shardflux
- vCPU, per hour
- LangSmith Sandboxes: $0.0576
- Shardflux: $0.04
- RAM, per GiB-hour
- LangSmith Sandboxes: $0.01845
- Shardflux: $0.015
- Storage
- LangSmith Sandboxes: $0.000123 per GiB-hour
- Shardflux: Retained storage is a monthly allowance per plan. No hourly storage rate is published.
- Free tier
- LangSmith Sandboxes: Credit of 8 LSU every month
- Shardflux: 30-day Pro trial, no card needed
- Billing
- LangSmith Sandboxes: Per second
- Shardflux: Active CPU time only
- Largest sandbox
- LangSmith Sandboxes: 16 vCPU · 64 GiB
- Shardflux: 32 vCPU · 64 GiB
- SDKs
- LangSmith Sandboxes: Python, TypeScript
- Shardflux: TypeScript, Python
- Integrations
- LangSmith Sandboxes: LangChain
- Shardflux: Claude Code, MCP
Full comparison
18 fields, at each provider's list price
LangSmith Sandboxeslangchain
Shardfluxshardflux
Pricing
- vCPU, per hour
- LangSmith Sandboxes: $0.0576
- Shardflux: $0.04
- RAM, per GiB-hour
- LangSmith Sandboxes: $0.01845
- Shardflux: $0.015
- Storage
- LangSmith Sandboxes: $0.000123 per GiB-hour
- Shardflux: Retained storage is a monthly allowance per plan. No hourly storage rate is published.
- Free tier
- LangSmith Sandboxes: Credit of 8 LSU every month
- Shardflux: 30-day Pro trial, no card needed
- Paid plan from
- LangSmith Sandboxes: Not listed
- Shardflux: $9 / month
- Billing
- LangSmith Sandboxes: Per second
- Shardflux: Active CPU time only
Limits
- Max session
- LangSmith Sandboxes: Not listed
- Shardflux: Not listed
- Idle stop
- LangSmith Sandboxes: After 10 minutes
- Shardflux: Not listed
- Largest sandbox
- LangSmith Sandboxes: 16 vCPU · 64 GiB
- Shardflux: 32 vCPU · 64 GiB
- Concurrent sandboxes
- LangSmith Sandboxes: Not listed
- Shardflux: Up to 200
Platform
- Isolation
- LangSmith Sandboxes: Firecracker microVM
- Shardflux: Firecracker microVM
- GPU
- LangSmith Sandboxes: Not listed
- Shardflux:
- Snapshots
- LangSmith Sandboxes:
- Shardflux:
- Pause and resume
- LangSmith Sandboxes:
- Shardflux:
Developer
- SDKs
- LangSmith Sandboxes: Python, TypeScript
- Shardflux: TypeScript, Python
- Integrations
- LangSmith Sandboxes: LangChain
- Shardflux: Claude Code, MCP
Trust
- License
- LangSmith Sandboxes: Not listed
- Shardflux: Not listed
- BYOC
- LangSmith Sandboxes: Enterprise plan
- Shardflux: Not listed
Hourly cost
One sandbox running for one hour
LangSmith Sandboxes
Shardflux
- 1 vCPU · 2 GiB
- LangSmith Sandboxes: $0.095
- Shardflux: $0.070
- 2 vCPU · 4 GiB
- LangSmith Sandboxes: $0.189
- Shardflux: $0.140
- 4 vCPU · 8 GiB
- LangSmith Sandboxes: $0.378
- Shardflux: $0.280
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
LangSmith Sandboxes fits when
- You use LangChain.
- You need the sandboxes in your own cloud account.
- You need SOC 2 Type II, HIPAA and GDPR.
Shardflux fits when
- You need GPUs.
- You use Claude Code or MCP.
- You want the lower list price: $0.140 against $0.189 an hour for 2 vCPU and 4 GiB.
- You need a desktop in the sandbox.
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