Shellbox vs Solari
Shellbox costs $0.01 per vCPU-hour and Solari costs $0.0525 per vCPU-hour. Shellbox runs Firecracker microVMs and has no session limit. Solari runs Cloud Hypervisor microVMs and limits a session to 24 hours.
Updated
Shellbox
- Isolation
- Firecracker microVM
- Free tier
- Not listed
- Max session
- No limit
Solari
- Isolation
- Cloud Hypervisor microVM
- Free tier
- $3 credit every month
- Max session
- 24 hours
What is different
10 fields differ. The rest are the same or not listed.
Shellbox
Solari
- vCPU, per hour
- Shellbox: $0.01
- Solari: $0.0525
- RAM, per GiB-hour
- Shellbox: Included
- Solari: $0.0165
- Storage
- Shellbox: A stopped box costs $0.50 per x1 slot per month
- Solari: Snapshots $0.05 per GB-month, the first 10 GB per organization free, from October 1, 2026.
- Paid plan from
- Shellbox: Pay as you go
- Solari: $20 / month
- Billing
- Shellbox: Bundled machine time
- Solari: Per second
- Max session
- Shellbox: No limit
- Solari: 24 hours
- Largest sandbox
- Shellbox: 16 vCPU · 32 GiB
- Solari: 8 vCPU · 16 GiB
- Concurrent sandboxes
- Shellbox: Up to 16
- Solari: Up to 10
- Isolation
- Shellbox: Firecracker microVM
- Solari: Cloud Hypervisor microVM
- Integrations
- Shellbox: Claude Code
- Solari: MCP, Claude Code
Full comparison
18 fields, at each provider's list price
Shellboxshellbox
Solaridocs
Pricing
- vCPU, per hour
- Shellbox: $0.01
- Solari: $0.0525
- RAM, per GiB-hour
- Shellbox: Included
- Solari: $0.0165
- Storage
- Shellbox: A stopped box costs $0.50 per x1 slot per month
- Solari: Snapshots $0.05 per GB-month, the first 10 GB per organization free, from October 1, 2026.
- Free tier
- Shellbox: Not listed
- Solari: $3 credit every month
- Paid plan from
- Shellbox: Pay as you go
- Solari: $20 / month
- Billing
- Shellbox: Bundled machine time
- Solari: Per second
Limits
- Max session
- Shellbox: No limit
- Solari: 24 hours
- Idle stop
- Shellbox: After 2 minutes
- Solari: Not listed
- Largest sandbox
- Shellbox: 16 vCPU · 32 GiB
- Solari: 8 vCPU · 16 GiB
- Concurrent sandboxes
- Shellbox: Up to 16
- Solari: Up to 10
Platform
- Isolation
- Shellbox: Firecracker microVM
- Solari: Cloud Hypervisor microVM
- GPU
- Shellbox: Not listed
- Solari: Not listed
- Snapshots
- Shellbox:
- Solari:
- Pause and resume
- Shellbox:
- Solari:
Developer
- SDKs
- Shellbox: Not listed
- Solari: TypeScript, Python, Go, Rust
- Integrations
- Shellbox: Claude Code
- Solari: MCP, Claude Code
Trust
- License
- Shellbox: Not listed
- Solari: Not listed
- BYOC
- Shellbox: Not listed
- Solari: Enterprise plan, in your own VPC
Hourly cost
One sandbox running for one hour
Shellbox
Solari
- 1 vCPU · 2 GiB
- Shellbox: $0.010
- Solari: $0.086
- 2 vCPU · 4 GiB
- Shellbox: $0.020
- Solari: $0.171
- 4 vCPU · 8 GiB
- Shellbox: $0.040
- Solari: $0.342
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Shellbox fits when
- A session must run longer than 24 hours.
- You want to pay only for usage, with no plan fee.
- You want the lower list price: $0.020 against $0.171 an hour for 2 vCPU and 4 GiB.
- You need a sandbox larger than 8 vCPU · 16 GiB.
Solari fits when
- You use MCP.
- You need a desktop in the sandbox.
- You need the sandboxes in your own cloud account.
- You need HIPAA.
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