Phonebox vs Smol Machines
Smol Machines costs $0.05 per vCPU-hour. Phonebox limits a session to 3 hours. Smol Machines runs microVMs.
Updated
Phonebox
- Isolation
- Not listed
- Free tier
- $2 starter credit, one time, no card
- Max session
- 3 hours
Smol Machines
- Isolation
- MicroVM
- Free tier
- $100 credit, one time
- Max session
- Not listed
What is different
4 fields differ. The rest are the same or not listed.
Phonebox
Smol Machines
- Free tier
- Phonebox: $2 starter credit, one time, no card
- Smol Machines: $100 credit, one time
- Billing
- Phonebox: Bundled machine time
- Smol Machines: Active CPU time only
- Concurrent sandboxes
- Phonebox: Up to 5
- Smol Machines: Up to 1,000
- SDKs
- Phonebox: TypeScript
- Smol Machines: TypeScript, Python, Rust
Full comparison
18 fields, at each provider's list price
Phoneboxphonebox
Smol Machinessmolmachines
Pricing
- vCPU, per hour
- Phonebox: Not listed
- Smol Machines: $0.05
- RAM, per GiB-hour
- Phonebox: Not listed
- Smol Machines: $0.0162
- Storage
- Phonebox: Not listed
- Smol Machines: $0.0001 per GiB-hour
- Free tier
- Phonebox: $2 starter credit, one time, no card
- Smol Machines: $100 credit, one time
- Paid plan from
- Phonebox: Pay as you go
- Smol Machines: Pay as you go
- Billing
- Phonebox: Bundled machine time
- Smol Machines: Active CPU time only
Limits
- Max session
- Phonebox: 3 hours
- Smol Machines: Not listed
- Idle stop
- Phonebox: After 5 minutes
- Smol Machines: Not listed
- Largest sandbox
- Phonebox: Not listed
- Smol Machines: 32 vCPU · 32 GiB
- Concurrent sandboxes
- Phonebox: Up to 5
- Smol Machines: Up to 1,000
Platform
- Isolation
- Phonebox: Not listed
- Smol Machines: MicroVM
- GPU
- Phonebox: Not listed
- Smol Machines: No
- Snapshots
- Phonebox: Not listed
- Smol Machines: No
- Pause and resume
- Phonebox:
- Smol Machines:
Developer
- SDKs
- Phonebox: TypeScript
- Smol Machines: TypeScript, Python, Rust
- Integrations
- Phonebox: MCP
- Smol Machines: Not listed
Trust
- License
- Phonebox: Not listed
- Smol Machines: Apache-2.0
- BYOC
- Phonebox: Not listed
- Smol Machines: Not listed
Hourly cost
One sandbox running for one hour
Phonebox
Smol Machines
- 1 vCPU · 2 GiB
- Phonebox: Not listed
- Smol Machines: $0.082
- 2 vCPU · 4 GiB
- Phonebox: Not listed
- Smol Machines: $0.165
- 4 vCPU · 8 GiB
- Phonebox: Not listed
- Smol Machines: $0.330
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Phonebox fits when
- You use MCP.
Smol Machines fits when
- You want an open-source platform (Apache-2.0) that you can self-host.
- You want the larger free credit: $100 against $2.
- Your code waits a lot: CPU is billed only while it is in use.
More comparisons
Agent Sandbox vs Phonebox- Agent Sandbox vs Smol Machines
Agent37 Cloud vs Phonebox- Agent37 Cloud vs Smol Machines
AgentBay vs Phonebox- AgentBay vs Smol Machines
- Alibaba Cloud Agent Sandbox vs Phonebox
- Alibaba Cloud Agent Sandbox vs Smol Machines