Buddy Sandboxes vs Microsoft Foundry hosted agents
Buddy Sandboxes costs $0.0144 per vCPU-hour and Microsoft Foundry hosted agents costs $0.0994 per vCPU-hour. Buddy Sandboxes runs full VMs and has no session limit. Microsoft Foundry hosted agents runs microVMs.
Updated
Buddy Sandboxes
- Isolation
- Full VM
- Free tier
- $1 of usage credit every month
- Max session
- No limit
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.
Buddy Sandboxes
Microsoft Foundry hosted agents
- vCPU, per hour
- Buddy Sandboxes: $0.0144
- Microsoft Foundry hosted agents: $0.0994
- RAM, per GiB-hour
- Buddy Sandboxes: $0.0144
- Microsoft Foundry hosted agents: $0.0118
- Paid plan from
- Buddy Sandboxes: $29 / month
- Microsoft Foundry hosted agents: Pay as you go
- Largest sandbox
- Buddy Sandboxes: 12 vCPU · 24 GiB
- Microsoft Foundry hosted agents: 2 vCPU · 4 GiB
- Isolation
- Buddy Sandboxes: Full VM
- Microsoft Foundry hosted agents: MicroVM
- SDKs
- Buddy Sandboxes: TypeScript
- Microsoft Foundry hosted agents: Python, JavaScript / TypeScript
- Integrations
- Buddy Sandboxes: MCP, Claude Code
- Microsoft Foundry hosted agents: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK
Full comparison
18 fields, at each provider's list price
Buddy Sandboxesbuddy
Microsoft Foundry hosted agentsazure
Pricing
- vCPU, per hour
- Buddy Sandboxes: $0.0144
- Microsoft Foundry hosted agents: $0.0994
- RAM, per GiB-hour
- Buddy Sandboxes: $0.0144
- Microsoft Foundry hosted agents: $0.0118
- Storage
- Buddy Sandboxes: $0.00011 per GiB-hour
- Microsoft Foundry hosted agents: Not listed
- Free tier
- Buddy Sandboxes: $1 of usage credit every month
- Microsoft Foundry hosted agents: Not listed
- Paid plan from
- Buddy Sandboxes: $29 / month
- Microsoft Foundry hosted agents: Pay as you go
- Billing
- Buddy Sandboxes: Per second
- Microsoft Foundry hosted agents: Per second
Limits
- Max session
- Buddy Sandboxes: No limit
- Microsoft Foundry hosted agents: Not listed
- Idle stop
- Buddy Sandboxes: Not listed
- Microsoft Foundry hosted agents: After 15 minutes
- Largest sandbox
- Buddy Sandboxes: 12 vCPU · 24 GiB
- Microsoft Foundry hosted agents: 2 vCPU · 4 GiB
- Concurrent sandboxes
- Buddy Sandboxes: Not listed
- Microsoft Foundry hosted agents: Up to 2,000
Platform
- Isolation
- Buddy Sandboxes: Full VM
- Microsoft Foundry hosted agents: MicroVM
- GPU
- Buddy Sandboxes: Not listed
- Microsoft Foundry hosted agents: Not listed
- Snapshots
- Buddy Sandboxes:
- Microsoft Foundry hosted agents: Not listed
- Pause and resume
- Buddy Sandboxes:
- Microsoft Foundry hosted agents:
Developer
- SDKs
- Buddy Sandboxes: TypeScript
- Microsoft Foundry hosted agents: Python, JavaScript / TypeScript
- Integrations
- Buddy Sandboxes: MCP, Claude Code
- Microsoft Foundry hosted agents: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK
Trust
- License
- Buddy Sandboxes: Not listed
- Microsoft Foundry hosted agents: Not listed
- BYOC
- Buddy Sandboxes: Not listed
- Microsoft Foundry hosted agents: Not listed
Hourly cost
One sandbox running for one hour
Buddy Sandboxes
Microsoft Foundry hosted agents
- 1 vCPU · 2 GiB
- Buddy Sandboxes: $0.043
- Microsoft Foundry hosted agents: $0.123
- 2 vCPU · 4 GiB
- Buddy Sandboxes: $0.086
- Microsoft Foundry hosted agents: $0.246
- 4 vCPU · 8 GiB
- Buddy Sandboxes: $0.173
- Microsoft Foundry hosted agents: $0.492
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Buddy Sandboxes fits when
- You want each sandbox to be a full VM.
- You use Claude Code.
- You want the lower list price: $0.086 against $0.246 an hour for 2 vCPU and 4 GiB.
- You need snapshots.
Microsoft Foundry hosted agents fits when
- You want to pay only for usage, with no plan fee.
- You want each sandbox in its own microVM.
- You use the Claude Agent SDK, LangChain or the OpenAI Agents SDK.
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