Cloudflare Sandbox vs Smol Machines
Cloudflare Sandbox costs $0.072 per vCPU-hour and Smol Machines costs $0.05 per vCPU-hour. Cloudflare Sandbox runs Firecracker microVMs. Smol Machines runs microVMs.
Updated
Cloudflare Sandbox
- Isolation
- Firecracker microVM
- Free tier
- None
- Max session
- Not listed
Smol Machines
- Isolation
- MicroVM
- Free tier
- $100 credit, one time
- Max session
- Not listed
What is different
9 fields differ. The rest are the same or not listed.
Cloudflare Sandbox
Smol Machines
- vCPU, per hour
- Cloudflare Sandbox: $0.072
- Smol Machines: $0.05
- RAM, per GiB-hour
- Cloudflare Sandbox: $0.009
- Smol Machines: $0.0162
- Storage
- Cloudflare Sandbox: $0.000252 per GiB-hour
- Smol Machines: $0.0001 per GiB-hour
- Free tier
- Cloudflare Sandbox: None
- Smol Machines: $100 credit, one time
- Paid plan from
- Cloudflare Sandbox: $5 / month
- Smol Machines: Pay as you go
- Largest sandbox
- Cloudflare Sandbox: 4 vCPU · 12 GiB
- Smol Machines: 32 vCPU · 32 GiB
- Isolation
- Cloudflare Sandbox: Firecracker microVM
- Smol Machines: MicroVM
- Snapshots
- Cloudflare Sandbox:
- Smol Machines: No
- SDKs
- Cloudflare Sandbox: TypeScript
- Smol Machines: TypeScript, Python, Rust
Full comparison
18 fields, at each provider's list price
Cloudflare Sandboxdevelopers
Smol Machinessmolmachines
Pricing
- vCPU, per hour
- Cloudflare Sandbox: $0.072
- Smol Machines: $0.05
- RAM, per GiB-hour
- Cloudflare Sandbox: $0.009
- Smol Machines: $0.0162
- Storage
- Cloudflare Sandbox: $0.000252 per GiB-hour
- Smol Machines: $0.0001 per GiB-hour
- Free tier
- Cloudflare Sandbox: None
- Smol Machines: $100 credit, one time
- Paid plan from
- Cloudflare Sandbox: $5 / month
- Smol Machines: Pay as you go
- Billing
- Cloudflare Sandbox: Active CPU time only
- Smol Machines: Active CPU time only
Limits
- Max session
- Cloudflare Sandbox: Not listed
- Smol Machines: Not listed
- Idle stop
- Cloudflare Sandbox: Not listed
- Smol Machines: Not listed
- Largest sandbox
- Cloudflare Sandbox: 4 vCPU · 12 GiB
- Smol Machines: 32 vCPU · 32 GiB
- Concurrent sandboxes
- Cloudflare Sandbox: Not listed
- Smol Machines: Up to 1,000
Platform
- Isolation
- Cloudflare Sandbox: Firecracker microVM
- Smol Machines: MicroVM
- GPU
- Cloudflare Sandbox: Not listed
- Smol Machines: No
- Snapshots
- Cloudflare Sandbox:
- Smol Machines: No
- Pause and resume
- Cloudflare Sandbox: Not listed
- Smol Machines:
Developer
- SDKs
- Cloudflare Sandbox: TypeScript
- Smol Machines: TypeScript, Python, Rust
- Integrations
- Cloudflare Sandbox: Claude Code, OpenAI Agents SDK
- Smol Machines: Not listed
Trust
- License
- Cloudflare Sandbox: Not listed
- Smol Machines: Apache-2.0
- BYOC
- Cloudflare Sandbox: Not listed
- Smol Machines: Not listed
Hourly cost
One sandbox running for one hour
Cloudflare Sandbox
Smol Machines
- 1 vCPU · 2 GiB
- Cloudflare Sandbox: $0.090
- Smol Machines: $0.082
- 2 vCPU · 4 GiB
- Cloudflare Sandbox: $0.180
- Smol Machines: $0.165
- 4 vCPU · 8 GiB
- Cloudflare Sandbox: $0.360
- Smol Machines: $0.330
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Cloudflare Sandbox fits when
- You use Claude Code or the OpenAI Agents SDK.
- You need snapshots.
Smol Machines fits when
- You want to pay only for usage, with no plan fee.
- You want an open-source platform (Apache-2.0) that you can self-host.
- You want the lower list price: $0.165 against $0.180 an hour for 2 vCPU and 4 GiB.
- You want to start without paying.
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