Agent Sandbox vs Phonebox
Agent Sandbox runs containers. Phonebox limits a session to 3 hours.
Updated
Agent Sandbox
- Isolation
- Container
- Free tier
- $10 credit with a Google sign-in
- Max session
- Not listed
Phonebox
- Isolation
- Not listed
- Free tier
- $2 starter credit, one time, no card
- Max session
- 3 hours
What is different
4 fields differ. The rest are the same or not listed.
Agent Sandbox
Phonebox
- Free tier
- Agent Sandbox: $10 credit with a Google sign-in
- Phonebox: $2 starter credit, one time, no card
- Billing
- Agent Sandbox: Per second
- Phonebox: Bundled machine time
- SDKs
- Agent Sandbox: Python
- Phonebox: TypeScript
- Integrations
- Agent Sandbox: Claude Code
- Phonebox: MCP
Full comparison
18 fields, at each provider's list price
Agent Sandboxagentsandbox
Phoneboxphonebox
Pricing
- vCPU, per hour
- Agent Sandbox: Not listed
- Phonebox: Not listed
- RAM, per GiB-hour
- Agent Sandbox: Not listed
- Phonebox: Not listed
- Storage
- Agent Sandbox: $0.0005/MB for output files
- Phonebox: Not listed
- Free tier
- Agent Sandbox: $10 credit with a Google sign-in
- Phonebox: $2 starter credit, one time, no card
- Paid plan from
- Agent Sandbox: Pay as you go
- Phonebox: Pay as you go
- Billing
- Agent Sandbox: Per second
- Phonebox: Bundled machine time
Limits
- Max session
- Agent Sandbox: Not listed
- Phonebox: 3 hours
- Idle stop
- Agent Sandbox: After 5 minutes
- Phonebox: After 5 minutes
- Largest sandbox
- Agent Sandbox: Not listed
- Phonebox: Not listed
- Concurrent sandboxes
- Agent Sandbox: Not listed
- Phonebox: Up to 5
Platform
- Isolation
- Agent Sandbox: Container
- Phonebox: Not listed
- GPU
- Agent Sandbox: Not listed
- Phonebox: Not listed
- Snapshots
- Agent Sandbox: Not listed
- Phonebox: Not listed
- Pause and resume
- Agent Sandbox: Not listed
- Phonebox:
Developer
- SDKs
- Agent Sandbox: Python
- Phonebox: TypeScript
- Integrations
- Agent Sandbox: Claude Code
- Phonebox: MCP
Trust
- License
- Agent Sandbox: Not listed
- Phonebox: Not listed
- BYOC
- Agent Sandbox: Not listed
- Phonebox: Not listed
Hourly cost
One sandbox running for one hour
Agent Sandbox
Phonebox
- 1 vCPU · 2 GiB
- Agent Sandbox: Not listed
- Phonebox: Not listed
- 2 vCPU · 4 GiB
- Agent Sandbox: Not listed
- Phonebox: Not listed
- 4 vCPU · 8 GiB
- Agent Sandbox: Not listed
- Phonebox: Not listed
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Agent Sandbox fits when
- You use Claude Code.
- You want the larger free credit: $10 against $2.
Phonebox fits when
- You use MCP.
- You need pause and resume.
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