Phonebox vs Shellbox
Shellbox costs $0.01 per vCPU-hour. Phonebox limits a session to 3 hours. Shellbox runs Firecracker microVMs and has no session limit.
Updated
Phonebox
- Isolation
- Not listed
- Free tier
- $2 starter credit, one time, no card
- Max session
- 3 hours
Shellbox
- Isolation
- Firecracker microVM
- Free tier
- Not listed
- Max session
- No limit
What is different
4 fields differ. The rest are the same or not listed.
Phonebox
Shellbox
- Max session
- Phonebox: 3 hours
- Shellbox: No limit
- Idle stop
- Phonebox: After 5 minutes
- Shellbox: After 2 minutes
- Concurrent sandboxes
- Phonebox: Up to 5
- Shellbox: Up to 16
- Integrations
- Phonebox: MCP
- Shellbox: Claude Code
Full comparison
18 fields, at each provider's list price
Phoneboxphonebox
Shellboxshellbox
Pricing
- vCPU, per hour
- Phonebox: Not listed
- Shellbox: $0.01
- RAM, per GiB-hour
- Phonebox: Not listed
- Shellbox: Included
- Storage
- Phonebox: Not listed
- Shellbox: A stopped box costs $0.50 per x1 slot per month
- Free tier
- Phonebox: $2 starter credit, one time, no card
- Shellbox: Not listed
- Paid plan from
- Phonebox: Pay as you go
- Shellbox: Pay as you go
- Billing
- Phonebox: Bundled machine time
- Shellbox: Bundled machine time
Limits
- Max session
- Phonebox: 3 hours
- Shellbox: No limit
- Idle stop
- Phonebox: After 5 minutes
- Shellbox: After 2 minutes
- Largest sandbox
- Phonebox: Not listed
- Shellbox: 16 vCPU · 32 GiB
- Concurrent sandboxes
- Phonebox: Up to 5
- Shellbox: Up to 16
Platform
- Isolation
- Phonebox: Not listed
- Shellbox: Firecracker microVM
- GPU
- Phonebox: Not listed
- Shellbox: Not listed
- Snapshots
- Phonebox: Not listed
- Shellbox:
- Pause and resume
- Phonebox:
- Shellbox:
Developer
- SDKs
- Phonebox: TypeScript
- Shellbox: Not listed
- Integrations
- Phonebox: MCP
- Shellbox: Claude Code
Trust
- License
- Phonebox: Not listed
- Shellbox: Not listed
- BYOC
- Phonebox: Not listed
- Shellbox: Not listed
Hourly cost
One sandbox running for one hour
Phonebox
Shellbox
- 1 vCPU · 2 GiB
- Phonebox: Not listed
- Shellbox: $0.010
- 2 vCPU · 4 GiB
- Phonebox: Not listed
- Shellbox: $0.020
- 4 vCPU · 8 GiB
- Phonebox: Not listed
- Shellbox: $0.040
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Phonebox fits when
- You use MCP.
Shellbox fits when
- A session must run longer than 3 hours.
- You use Claude Code.
- You need snapshots.
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