Cloudflare Sandbox vs Microsoft Foundry hosted agents
Cloudflare Sandbox costs $0.072 per vCPU-hour and Microsoft Foundry hosted agents costs $0.0994 per vCPU-hour. Cloudflare Sandbox runs Firecracker microVMs. Microsoft Foundry hosted agents runs microVMs.
Updated
Cloudflare Sandbox
- Isolation
- Firecracker microVM
- Free tier
- None
- Max session
- Not listed
Microsoft Foundry hosted agents
- Isolation
- MicroVM
- Free tier
- Not listed
- Max session
- Not listed
What is different
8 fields differ. The rest are the same or not listed.
Cloudflare Sandbox
Microsoft Foundry hosted agents
- vCPU, per hour
- Cloudflare Sandbox: $0.072
- Microsoft Foundry hosted agents: $0.0994
- RAM, per GiB-hour
- Cloudflare Sandbox: $0.009
- Microsoft Foundry hosted agents: $0.0118
- Paid plan from
- Cloudflare Sandbox: $5 / month
- Microsoft Foundry hosted agents: Pay as you go
- Billing
- Cloudflare Sandbox: Active CPU time only
- Microsoft Foundry hosted agents: Per second
- Largest sandbox
- Cloudflare Sandbox: 4 vCPU · 12 GiB
- Microsoft Foundry hosted agents: 2 vCPU · 4 GiB
- Isolation
- Cloudflare Sandbox: Firecracker microVM
- Microsoft Foundry hosted agents: MicroVM
- SDKs
- Cloudflare Sandbox: TypeScript
- Microsoft Foundry hosted agents: Python, JavaScript / TypeScript
- Integrations
- Cloudflare Sandbox: Claude Code, OpenAI Agents SDK
- Microsoft Foundry hosted agents: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK
Full comparison
18 fields, at each provider's list price
Cloudflare Sandboxdevelopers
Microsoft Foundry hosted agentsazure
Pricing
- vCPU, per hour
- Cloudflare Sandbox: $0.072
- Microsoft Foundry hosted agents: $0.0994
- RAM, per GiB-hour
- Cloudflare Sandbox: $0.009
- Microsoft Foundry hosted agents: $0.0118
- Storage
- Cloudflare Sandbox: $0.000252 per GiB-hour
- Microsoft Foundry hosted agents: Not listed
- Free tier
- Cloudflare Sandbox: None
- Microsoft Foundry hosted agents: Not listed
- Paid plan from
- Cloudflare Sandbox: $5 / month
- Microsoft Foundry hosted agents: Pay as you go
- Billing
- Cloudflare Sandbox: Active CPU time only
- Microsoft Foundry hosted agents: Per second
Limits
- Max session
- Cloudflare Sandbox: Not listed
- Microsoft Foundry hosted agents: Not listed
- Idle stop
- Cloudflare Sandbox: Not listed
- Microsoft Foundry hosted agents: After 15 minutes
- Largest sandbox
- Cloudflare Sandbox: 4 vCPU · 12 GiB
- Microsoft Foundry hosted agents: 2 vCPU · 4 GiB
- Concurrent sandboxes
- Cloudflare Sandbox: Not listed
- Microsoft Foundry hosted agents: Up to 2,000
Platform
- Isolation
- Cloudflare Sandbox: Firecracker microVM
- Microsoft Foundry hosted agents: MicroVM
- GPU
- Cloudflare Sandbox: Not listed
- Microsoft Foundry hosted agents: Not listed
- Snapshots
- Cloudflare Sandbox:
- Microsoft Foundry hosted agents: Not listed
- Pause and resume
- Cloudflare Sandbox: Not listed
- Microsoft Foundry hosted agents:
Developer
- SDKs
- Cloudflare Sandbox: TypeScript
- Microsoft Foundry hosted agents: Python, JavaScript / TypeScript
- Integrations
- Cloudflare Sandbox: Claude Code, OpenAI Agents SDK
- Microsoft Foundry hosted agents: Claude Agent SDK, LangChain, MCP, OpenAI Agents SDK
Trust
- License
- Cloudflare Sandbox: Not listed
- Microsoft Foundry hosted agents: Not listed
- BYOC
- Cloudflare Sandbox: Not listed
- Microsoft Foundry hosted agents: Not listed
Hourly cost
One sandbox running for one hour
Cloudflare Sandbox
Microsoft Foundry hosted agents
- 1 vCPU · 2 GiB
- Cloudflare Sandbox: $0.090
- Microsoft Foundry hosted agents: $0.123
- 2 vCPU · 4 GiB
- Cloudflare Sandbox: $0.180
- Microsoft Foundry hosted agents: $0.246
- 4 vCPU · 8 GiB
- Cloudflare Sandbox: $0.360
- Microsoft Foundry hosted agents: $0.492
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Cloudflare Sandbox fits when
- You use Claude Code.
- You want the lower list price: $0.180 against $0.246 an hour for 2 vCPU and 4 GiB.
- You need snapshots.
- Your code waits a lot: CPU is billed only while it is in use.
Microsoft Foundry hosted agents fits when
- You want to pay only for usage, with no plan fee.
- You use the Claude Agent SDK, LangChain or MCP.
- You need pause and resume.
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