Prime Sandboxes vs Solari

Prime Sandboxes costs $0.02 per vCPU-hour and Solari costs $0.0525 per vCPU-hour. Prime Sandboxes runs microVMs and has no session limit. Solari runs Cloud Hypervisor microVMs and limits a session to 24 hours.

Updated

Prime Sandboxes

Isolation
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

9 fields differ. The rest are the same or not listed.

Prime Sandboxes
Solari
vCPU, per hour
Prime Sandboxes: $0.02
Solari: $0.0525
RAM, per GiB-hour
Prime Sandboxes: $0.0125
Solari: $0.0165
Storage
Prime Sandboxes: $0.0002 per GiB-hour
Solari: Snapshots $0.05 per GB-month, the first 10 GB per organization free, from October 1, 2026.
Paid plan from
Prime Sandboxes: Pay as you go
Solari: $20 / month
Max session
Prime Sandboxes: No limit
Solari: 24 hours
Largest sandbox
Prime Sandboxes: 16 vCPU · 64 GiB
Solari: 8 vCPU · 16 GiB
Concurrent sandboxes
Prime Sandboxes: Up to 1,024
Solari: Up to 10
Isolation
Prime Sandboxes: MicroVM
Solari: Cloud Hypervisor microVM
SDKs
Prime Sandboxes: Python
Solari: TypeScript, Python, Go, Rust

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Prime Sandboxes: $0.02
Solari: $0.0525
RAM, per GiB-hour
Prime Sandboxes: $0.0125
Solari: $0.0165
Storage
Prime Sandboxes: $0.0002 per GiB-hour
Solari: Snapshots $0.05 per GB-month, the first 10 GB per organization free, from October 1, 2026.
Free tier
Prime Sandboxes: Not listed
Solari: $3 credit every month
Paid plan from
Prime Sandboxes: Pay as you go
Solari: $20 / month
Billing
Prime Sandboxes: Per second
Solari: Per second

Limits

Max session
Prime Sandboxes: No limit
Solari: 24 hours
Idle stop
Prime Sandboxes: Not listed
Solari: Not listed
Largest sandbox
Prime Sandboxes: 16 vCPU · 64 GiB
Solari: 8 vCPU · 16 GiB
Concurrent sandboxes
Prime Sandboxes: Up to 1,024
Solari: Up to 10

Platform

Isolation
Prime Sandboxes: MicroVM
Solari: Cloud Hypervisor microVM
GPU
Prime Sandboxes: Not listed
Solari: Not listed
Snapshots
Prime Sandboxes:
Solari:
Pause and resume
Prime Sandboxes: Not listed
Solari:

Developer

SDKs
Prime Sandboxes: Python
Solari: TypeScript, Python, Go, Rust
Integrations
Prime Sandboxes: Not listed
Solari: MCP, Claude Code

Trust

License
Prime Sandboxes: Not listed
Solari: Not listed
BYOC
Prime Sandboxes: Not listed
Solari: Enterprise plan, in your own VPC

Hourly cost

One sandbox running for one hour

Prime Sandboxes
Solari
1 vCPU · 2 GiB
Prime Sandboxes: $0.045
Solari: $0.086
2 vCPU · 4 GiB
Prime Sandboxes: $0.090
Solari: $0.171
4 vCPU · 8 GiB
Prime Sandboxes: $0.180
Solari: $0.342

Compute only, at list rates.

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Which one fits

Based on the fields above

Prime Sandboxes 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: $0.090 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 or Claude Code.
  • You need pause and resume.
  • You need a desktop in the sandbox.
  • You need the sandboxes in your own cloud account.

More comparisons

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