Phonebox vs Solari
Solari costs $0.0525 per vCPU-hour. Phonebox limits a session to 3 hours. Solari runs Cloud Hypervisor microVMs and limits a session to 24 hours.
Updated
Phonebox
- Isolation
- Not listed
- Free tier
- $2 starter credit, one time, no card
- Max session
- 3 hours
Solari
- Isolation
- Cloud Hypervisor microVM
- Free tier
- $3 credit every month
- Max session
- 24 hours
What is different
7 fields differ. The rest are the same or not listed.
Phonebox
Solari
- Free tier
- Phonebox: $2 starter credit, one time, no card
- Solari: $3 credit every month
- Paid plan from
- Phonebox: Pay as you go
- Solari: $20 / month
- Billing
- Phonebox: Bundled machine time
- Solari: Per second
- Max session
- Phonebox: 3 hours
- Solari: 24 hours
- Concurrent sandboxes
- Phonebox: Up to 5
- Solari: Up to 10
- SDKs
- Phonebox: TypeScript
- Solari: TypeScript, Python, Go, Rust
- Integrations
- Phonebox: MCP
- Solari: MCP, Claude Code
Full comparison
18 fields, at each provider's list price
Phoneboxphonebox
Solaridocs
Pricing
- vCPU, per hour
- Phonebox: Not listed
- Solari: $0.0525
- RAM, per GiB-hour
- Phonebox: Not listed
- Solari: $0.0165
- Storage
- Phonebox: Not listed
- Solari: Snapshots $0.05 per GB-month, the first 10 GB per organization free, from October 1, 2026.
- Free tier
- Phonebox: $2 starter credit, one time, no card
- Solari: $3 credit every month
- Paid plan from
- Phonebox: Pay as you go
- Solari: $20 / month
- Billing
- Phonebox: Bundled machine time
- Solari: Per second
Limits
- Max session
- Phonebox: 3 hours
- Solari: 24 hours
- Idle stop
- Phonebox: After 5 minutes
- Solari: Not listed
- Largest sandbox
- Phonebox: Not listed
- Solari: 8 vCPU · 16 GiB
- Concurrent sandboxes
- Phonebox: Up to 5
- Solari: Up to 10
Platform
- Isolation
- Phonebox: Not listed
- Solari: Cloud Hypervisor microVM
- GPU
- Phonebox: Not listed
- Solari: Not listed
- Snapshots
- Phonebox: Not listed
- Solari:
- Pause and resume
- Phonebox:
- Solari:
Developer
- SDKs
- Phonebox: TypeScript
- Solari: TypeScript, Python, Go, Rust
- Integrations
- Phonebox: MCP
- Solari: MCP, Claude Code
Trust
- License
- Phonebox: Not listed
- Solari: Not listed
- BYOC
- Phonebox: Not listed
- Solari: Enterprise plan, in your own VPC
Hourly cost
One sandbox running for one hour
Phonebox
Solari
- 1 vCPU · 2 GiB
- Phonebox: Not listed
- Solari: $0.086
- 2 vCPU · 4 GiB
- Phonebox: Not listed
- Solari: $0.171
- 4 vCPU · 8 GiB
- Phonebox: Not listed
- Solari: $0.342
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Phonebox fits when
- You want to pay only for usage, with no plan fee.
Solari fits when
- A session must run longer than 3 hours.
- You use Claude Code.
- You want the larger free credit: $3 against $2.
- You need snapshots.
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