Celesto Cloud vs Phonebox
Celesto Cloud costs $0.015 per vCPU-hour. Celesto Cloud runs microVMs. Phonebox limits a session to 3 hours.
Updated
Celesto Cloud
- Isolation
- MicroVM
- Free tier
- $5 runtime credit, one time, 30 days
- 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.
Celesto Cloud
Phonebox
- Free tier
- Celesto Cloud: $5 runtime credit, one time, 30 days
- Phonebox: $2 starter credit, one time, no card
- Concurrent sandboxes
- Celesto Cloud: Up to 10
- Phonebox: Up to 5
- SDKs
- Celesto Cloud: Python, JavaScript / TypeScript
- Phonebox: TypeScript
- Integrations
- Celesto Cloud: MCP, OpenAI Agents SDK, Claude Code
- Phonebox: MCP
Full comparison
18 fields, at each provider's list price
Celesto Cloudcelesto
Phoneboxphonebox
Pricing
- vCPU, per hour
- Celesto Cloud: $0.015
- Phonebox: Not listed
- RAM, per GiB-hour
- Celesto Cloud: Included
- Phonebox: Not listed
- Storage
- Celesto Cloud: Free
- Phonebox: Not listed
- Free tier
- Celesto Cloud: $5 runtime credit, one time, 30 days
- Phonebox: $2 starter credit, one time, no card
- Paid plan from
- Celesto Cloud: Pay as you go
- Phonebox: Pay as you go
- Billing
- Celesto Cloud: Bundled machine time
- Phonebox: Bundled machine time
Limits
- Max session
- Celesto Cloud: Not listed
- Phonebox: 3 hours
- Idle stop
- Celesto Cloud: Not listed
- Phonebox: After 5 minutes
- Largest sandbox
- Celesto Cloud: 8 vCPU · 32 GiB
- Phonebox: Not listed
- Concurrent sandboxes
- Celesto Cloud: Up to 10
- Phonebox: Up to 5
Platform
- Isolation
- Celesto Cloud: MicroVM
- Phonebox: Not listed
- GPU
- Celesto Cloud: Not listed
- Phonebox: Not listed
- Snapshots
- Celesto Cloud:
- Phonebox: Not listed
- Pause and resume
- Celesto Cloud:
- Phonebox:
Developer
- SDKs
- Celesto Cloud: Python, JavaScript / TypeScript
- Phonebox: TypeScript
- Integrations
- Celesto Cloud: MCP, OpenAI Agents SDK, Claude Code
- Phonebox: MCP
Trust
- License
- Celesto Cloud: Apache-2.0
- Phonebox: Not listed
- BYOC
- Celesto Cloud: Not listed
- Phonebox: Not listed
Hourly cost
One sandbox running for one hour
Celesto Cloud
Phonebox
- 1 vCPU · 2 GiB
- Celesto Cloud: $0.015
- Phonebox: Not listed
- 2 vCPU · 4 GiB
- Celesto Cloud: $0.030
- Phonebox: Not listed
- 4 vCPU · 8 GiB
- Celesto Cloud: $0.060
- Phonebox: Not listed
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Celesto Cloud fits when
- You want an open-source platform (Apache-2.0).
- You use the OpenAI Agents SDK or Claude Code.
- You want the larger free credit: $5 against $2.
- You need snapshots.
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