LangSmith Sandboxes vs Microsoft Foundry hosted agents
LangSmith Sandboxes costs $0.0576 per vCPU-hour and Microsoft Foundry hosted agents costs $0.0994 per vCPU-hour. LangSmith Sandboxes runs Firecracker microVMs. Microsoft Foundry hosted agents runs microVMs.
Updated
LangSmith Sandboxes
- Isolation
- Firecracker microVM
- Free tier
- Credit of 8 LSU every month
- Max session
- Not listed
Microsoft Foundry hosted agents
- Isolation
- MicroVM
- Free tier
- Not listed
- Max session
- Not listed
What is different
7 fields differ. The rest are the same or not listed.
LangSmith Sandboxes
Microsoft Foundry hosted agents
- vCPU, per hour
- LangSmith Sandboxes: $0.0576
- Microsoft Foundry hosted agents: $0.0994
- RAM, per GiB-hour
- LangSmith Sandboxes: $0.01845
- Microsoft Foundry hosted agents: $0.0118
- Idle stop
- LangSmith Sandboxes: After 10 minutes
- Microsoft Foundry hosted agents: After 15 minutes
- Largest sandbox
- LangSmith Sandboxes: 16 vCPU · 64 GiB
- Microsoft Foundry hosted agents: 2 vCPU · 4 GiB
- Isolation
- LangSmith Sandboxes: Firecracker microVM
- Microsoft Foundry hosted agents: MicroVM
- SDKs
- LangSmith Sandboxes: Python, TypeScript
- Microsoft Foundry hosted agents: Python, JavaScript / TypeScript
- Integrations
- LangSmith Sandboxes: LangChain, MCP
- Microsoft Foundry hosted agents: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK
Full comparison
18 fields, at each provider's list price
LangSmith Sandboxeslangchain
Microsoft Foundry hosted agentsazure
Pricing
- vCPU, per hour
- LangSmith Sandboxes: $0.0576
- Microsoft Foundry hosted agents: $0.0994
- RAM, per GiB-hour
- LangSmith Sandboxes: $0.01845
- Microsoft Foundry hosted agents: $0.0118
- Storage
- LangSmith Sandboxes: $0.000123 per GiB-hour
- Microsoft Foundry hosted agents: Not listed
- Free tier
- LangSmith Sandboxes: Credit of 8 LSU every month
- Microsoft Foundry hosted agents: Not listed
- Paid plan from
- LangSmith Sandboxes: Pay as you go
- Microsoft Foundry hosted agents: Pay as you go
- Billing
- LangSmith Sandboxes: Per second
- Microsoft Foundry hosted agents: Per second
Limits
- Max session
- LangSmith Sandboxes: Not listed
- Microsoft Foundry hosted agents: Not listed
- Idle stop
- LangSmith Sandboxes: After 10 minutes
- Microsoft Foundry hosted agents: After 15 minutes
- Largest sandbox
- LangSmith Sandboxes: 16 vCPU · 64 GiB
- Microsoft Foundry hosted agents: 2 vCPU · 4 GiB
- Concurrent sandboxes
- LangSmith Sandboxes: Not listed
- Microsoft Foundry hosted agents: Up to 2,000
Platform
- Isolation
- LangSmith Sandboxes: Firecracker microVM
- Microsoft Foundry hosted agents: MicroVM
- GPU
- LangSmith Sandboxes: Not listed
- Microsoft Foundry hosted agents: Not listed
- Snapshots
- LangSmith Sandboxes:
- Microsoft Foundry hosted agents: Not listed
- Pause and resume
- LangSmith Sandboxes:
- Microsoft Foundry hosted agents:
Developer
- SDKs
- LangSmith Sandboxes: Python, TypeScript
- Microsoft Foundry hosted agents: Python, JavaScript / TypeScript
- Integrations
- LangSmith Sandboxes: LangChain, MCP
- Microsoft Foundry hosted agents: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK
Trust
- License
- LangSmith Sandboxes: Not listed
- Microsoft Foundry hosted agents: Not listed
- BYOC
- LangSmith Sandboxes: Enterprise plan
- Microsoft Foundry hosted agents: Not listed
Hourly cost
One sandbox running for one hour
LangSmith Sandboxes
Microsoft Foundry hosted agents
- 1 vCPU · 2 GiB
- LangSmith Sandboxes: $0.095
- Microsoft Foundry hosted agents: $0.123
- 2 vCPU · 4 GiB
- LangSmith Sandboxes: $0.189
- Microsoft Foundry hosted agents: $0.246
- 4 vCPU · 8 GiB
- LangSmith Sandboxes: $0.378
- Microsoft Foundry hosted agents: $0.492
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
LangSmith Sandboxes fits when
- You want the lower list price: $0.189 against $0.246 an hour for 2 vCPU and 4 GiB.
- You need snapshots.
- You need the sandboxes in your own cloud account.
- You need a sandbox larger than 2 vCPU · 4 GiB.
Microsoft Foundry hosted agents fits when
- You use the Claude Agent SDK or the OpenAI Agents SDK.
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