Cua Fleets vs LangSmith Sandboxes
Cua Fleets costs $0.044625 per vCPU-hour and LangSmith Sandboxes costs $0.0576 per vCPU-hour. Cua Fleets runs gVisor. LangSmith Sandboxes runs Firecracker microVMs.
Updated
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.
Cua Fleets
LangSmith Sandboxes
- vCPU, per hour
- Cua Fleets: $0.044625
- LangSmith Sandboxes: $0.0576
- RAM, per GiB-hour
- Cua Fleets: $0.0223125
- LangSmith Sandboxes: $0.01845
- Storage
- Cua Fleets: Free
- LangSmith Sandboxes: $0.000123 per GiB-hour
- Largest sandbox
- Cua Fleets: 8 vCPU · 32 GiB
- LangSmith Sandboxes: 16 vCPU · 64 GiB
- Isolation
- Cua Fleets: gVisor
- LangSmith Sandboxes: Firecracker microVM
- Pause and resume
- Cua Fleets: No
- LangSmith Sandboxes:
- SDKs
- Cua Fleets: Python, TypeScript, Rust
- LangSmith Sandboxes: Python, TypeScript
- Integrations
- Cua Fleets: OpenAI Agents SDK, MCP
- LangSmith Sandboxes: LangChain
Full comparison
18 fields, at each provider's list price
Cua Fleetscua
LangSmith Sandboxeslangchain
Pricing
- vCPU, per hour
- Cua Fleets: $0.044625
- LangSmith Sandboxes: $0.0576
- RAM, per GiB-hour
- Cua Fleets: $0.0223125
- LangSmith Sandboxes: $0.01845
- Storage
- Cua Fleets: Free
- LangSmith Sandboxes: $0.000123 per GiB-hour
- Free tier
- Cua Fleets: Not listed
- LangSmith Sandboxes: Credit of 8 LSU every month
- Paid plan from
- Cua Fleets: Not listed
- LangSmith Sandboxes: Not listed
- Billing
- Cua Fleets: Per second
- LangSmith Sandboxes: Per second
Limits
- Max session
- Cua Fleets: Not listed
- LangSmith Sandboxes: Not listed
- Idle stop
- Cua Fleets: Not listed
- LangSmith Sandboxes: After 10 minutes
- Largest sandbox
- Cua Fleets: 8 vCPU · 32 GiB
- LangSmith Sandboxes: 16 vCPU · 64 GiB
- Concurrent sandboxes
- Cua Fleets: Not listed
- LangSmith Sandboxes: Not listed
Platform
- Isolation
- Cua Fleets: gVisor
- LangSmith Sandboxes: Firecracker microVM
- GPU
- Cua Fleets: Not listed
- LangSmith Sandboxes: Not listed
- Snapshots
- Cua Fleets: Not listed
- LangSmith Sandboxes:
- Pause and resume
- Cua Fleets: No
- LangSmith Sandboxes:
Developer
- SDKs
- Cua Fleets: Python, TypeScript, Rust
- LangSmith Sandboxes: Python, TypeScript
- Integrations
- Cua Fleets: OpenAI Agents SDK, MCP
- LangSmith Sandboxes: LangChain
Trust
- License
- Cua Fleets: Not listed
- LangSmith Sandboxes: Not listed
- BYOC
- Cua Fleets: Your AWS, Google Cloud, or Modal account
- LangSmith Sandboxes: Enterprise plan
Hourly cost
One sandbox running for one hour
Cua Fleets
LangSmith Sandboxes
- 1 vCPU · 2 GiB
- Cua Fleets: $0.089
- LangSmith Sandboxes: $0.095
- 2 vCPU · 4 GiB
- Cua Fleets: $0.179
- LangSmith Sandboxes: $0.189
- 4 vCPU · 8 GiB
- Cua Fleets: $0.357
- LangSmith Sandboxes: $0.378
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Cua Fleets fits when
- You use the OpenAI Agents SDK or MCP.
- You want the lower list price: $0.179 against $0.189 an hour for 2 vCPU and 4 GiB.
- You need a desktop in the sandbox.
- You need SOC 2.
LangSmith Sandboxes fits when
- You want each sandbox in its own microVM.
- You use LangChain.
- You need snapshots.
- You need pause and resume.
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