Deno Sandbox vs Solari
Deno Sandbox costs $0.10 per vCPU-hour and Solari costs $0.0525 per vCPU-hour. Deno Sandbox runs Firecracker microVMs and limits a session to 30 minutes. Solari runs Cloud Hypervisor microVMs and limits a session to 24 hours.
Updated
Deno Sandbox
- Isolation
- Firecracker microVM
- Free tier
- Not listed
- Max session
- 30 minutes
Solari
- Isolation
- Cloud Hypervisor microVM
- Free tier
- $3 credit every month
- Max session
- 24 hours
What is different
9 fields differ. The rest are the same or not listed.
Deno Sandbox
Solari
- vCPU, per hour
- Deno Sandbox: $0.10
- Solari: $0.0525
- RAM, per GiB-hour
- Deno Sandbox: $0.025
- Solari: $0.0165
- Storage
- Deno Sandbox: Volumes $0.20 per GiB-month after plan allowance. Volumes 300 MB to 20 GB.
- Solari: Snapshots $0.05 per GB-month, the first 10 GB per organization free, from October 1, 2026.
- Billing
- Deno Sandbox: Active CPU time only
- Solari: Per second
- Max session
- Deno Sandbox: 30 minutes
- Solari: 24 hours
- Largest sandbox
- Deno Sandbox: 2 vCPU · 4 GiB
- Solari: 8 vCPU · 16 GiB
- Concurrent sandboxes
- Deno Sandbox: Up to 20
- Solari: Up to 10
- Isolation
- Deno Sandbox: Firecracker microVM
- Solari: Cloud Hypervisor microVM
- SDKs
- Deno Sandbox: JavaScript / TypeScript, Python
- Solari: TypeScript, Python, Go, Rust
Full comparison
18 fields, at each provider's list price
Deno Sandboxdeno
Solaridocs
Pricing
- vCPU, per hour
- Deno Sandbox: $0.10
- Solari: $0.0525
- RAM, per GiB-hour
- Deno Sandbox: $0.025
- Solari: $0.0165
- Storage
- Deno Sandbox: Volumes $0.20 per GiB-month after plan allowance. Volumes 300 MB to 20 GB.
- Solari: Snapshots $0.05 per GB-month, the first 10 GB per organization free, from October 1, 2026.
- Free tier
- Deno Sandbox: Not listed
- Solari: $3 credit every month
- Paid plan from
- Deno Sandbox: $20 / month
- Solari: $20 / month
- Billing
- Deno Sandbox: Active CPU time only
- Solari: Per second
Limits
- Max session
- Deno Sandbox: 30 minutes
- Solari: 24 hours
- Idle stop
- Deno Sandbox: Not listed
- Solari: Not listed
- Largest sandbox
- Deno Sandbox: 2 vCPU · 4 GiB
- Solari: 8 vCPU · 16 GiB
- Concurrent sandboxes
- Deno Sandbox: Up to 20
- Solari: Up to 10
Platform
- Isolation
- Deno Sandbox: Firecracker microVM
- Solari: Cloud Hypervisor microVM
- GPU
- Deno Sandbox: Not listed
- Solari: Not listed
- Snapshots
- Deno Sandbox:
- Solari:
- Pause and resume
- Deno Sandbox: Not listed
- Solari:
Developer
- SDKs
- Deno Sandbox: JavaScript / TypeScript, Python
- Solari: TypeScript, Python, Go, Rust
- Integrations
- Deno Sandbox: Not listed
- Solari: MCP, Claude Code
Trust
- License
- Deno Sandbox: Not listed
- Solari: Not listed
- BYOC
- Deno Sandbox: Not listed
- Solari: Enterprise plan, in your own VPC
Hourly cost
One sandbox running for one hour
Deno Sandbox
Solari
- 1 vCPU · 2 GiB
- Deno Sandbox: $0.150
- Solari: $0.086
- 2 vCPU · 4 GiB
- Deno Sandbox: $0.300
- Solari: $0.171
- 4 vCPU · 8 GiB
- Deno Sandbox: $0.600
- Solari: $0.342
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Deno Sandbox fits when
- Your code waits a lot: CPU is billed only while it is in use.
- You need SOC 2 and ISO 27001.
Solari fits when
- A session must run longer than 30 minutes.
- You use MCP or Claude Code.
- You want the lower list price: $0.171 against $0.300 an hour for 2 vCPU and 4 GiB.
- You need pause and resume.
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