Agent37 Cloud vs Phonebox
Agent37 Cloud costs $0.0011 per vCPU-hour. Agent37 Cloud runs gVisor and has no session limit. Phonebox limits a session to 3 hours.
Updated
Agent37 Cloud
- Isolation
- gVisor
- Free tier
- $5 starter credit, one time
- Max session
- No limit
Phonebox
- Isolation
- Not listed
- Free tier
- $2 starter credit, one time, no card
- Max session
- 3 hours
What is different
5 fields differ. The rest are the same or not listed.
Agent37 Cloud
Phonebox
- Free tier
- Agent37 Cloud: $5 starter credit, one time
- Phonebox: $2 starter credit, one time, no card
- Billing
- Agent37 Cloud: Per second
- Phonebox: Bundled machine time
- Max session
- Agent37 Cloud: No limit
- Phonebox: 3 hours
- Concurrent sandboxes
- Agent37 Cloud: Up to 200
- Phonebox: Up to 5
- Integrations
- Agent37 Cloud: Claude Code
- Phonebox: MCP
Full comparison
18 fields, at each provider's list price
Agent37 Cloudagent37
Phoneboxphonebox
Pricing
- vCPU, per hour
- Agent37 Cloud: $0.0011
- Phonebox: Not listed
- RAM, per GiB-hour
- Agent37 Cloud: $0.00096
- Phonebox: Not listed
- Storage
- Agent37 Cloud: $0.00012 per GiB-hour
- Phonebox: Not listed
- Free tier
- Agent37 Cloud: $5 starter credit, one time
- Phonebox: $2 starter credit, one time, no card
- Paid plan from
- Agent37 Cloud: Pay as you go
- Phonebox: Pay as you go
- Billing
- Agent37 Cloud: Per second
- Phonebox: Bundled machine time
Limits
- Max session
- Agent37 Cloud: No limit
- Phonebox: 3 hours
- Idle stop
- Agent37 Cloud: Not listed
- Phonebox: After 5 minutes
- Largest sandbox
- Agent37 Cloud: 16 vCPU · 32 GiB
- Phonebox: Not listed
- Concurrent sandboxes
- Agent37 Cloud: Up to 200
- Phonebox: Up to 5
Platform
- Isolation
- Agent37 Cloud: gVisor
- Phonebox: Not listed
- GPU
- Agent37 Cloud: Not listed
- Phonebox: Not listed
- Snapshots
- Agent37 Cloud: Not listed
- Phonebox: Not listed
- Pause and resume
- Agent37 Cloud:
- Phonebox:
Developer
- SDKs
- Agent37 Cloud: Not listed
- Phonebox: TypeScript
- Integrations
- Agent37 Cloud: Claude Code
- Phonebox: MCP
Trust
- License
- Agent37 Cloud: Not listed
- Phonebox: Not listed
- BYOC
- Agent37 Cloud: Not listed
- Phonebox: Not listed
Hourly cost
One sandbox running for one hour
Agent37 Cloud
Phonebox
- 1 vCPU · 2 GiB
- Agent37 Cloud: $0.003
- Phonebox: Not listed
- 2 vCPU · 4 GiB
- Agent37 Cloud: $0.006
- Phonebox: Not listed
- 4 vCPU · 8 GiB
- Agent37 Cloud: $0.012
- Phonebox: Not listed
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Agent37 Cloud fits when
- A session must run longer than 3 hours.
- You use Claude Code.
- You want the larger free credit: $5 against $2.
- You need a desktop in the sandbox.
Phonebox fits when
- You use MCP.
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