Solari vs Upstash Box
Solari costs $0.0525 per vCPU-hour and Upstash Box costs $0.10 per vCPU-hour. Solari runs Cloud Hypervisor microVMs and limits a session to 24 hours. Upstash Box runs containers.
Updated
Solari
- Isolation
- Cloud Hypervisor microVM
- Free tier
- $3 credit every month
- Max session
- 24 hours
Upstash Box
- Isolation
- Container
- Free tier
- Free plan, 5 CPU hours per month
- Max session
- Not listed
What is different
10 fields differ. The rest are the same or not listed.
Solari
Upstash Box
- vCPU, per hour
- Solari: $0.0525
- Upstash Box: $0.10
- RAM, per GiB-hour
- Solari: $0.0165
- Upstash Box: Included
- Storage
- Solari: Snapshots $0.05 per GB-month, the first 10 GB per organization free, from October 1, 2026.
- Upstash Box: $0.10 per GB per month, including snapshots. Included on Fixed.
- Free tier
- Solari: $3 credit every month
- Upstash Box: Free plan, 5 CPU hours per month
- Paid plan from
- Solari: $20 / month
- Upstash Box: Pay as you go
- Billing
- Solari: Per second
- Upstash Box: Active CPU time only
- Concurrent sandboxes
- Solari: Up to 10
- Upstash Box: Up to 1,000
- Isolation
- Solari: Cloud Hypervisor microVM
- Upstash Box: Container
- SDKs
- Solari: TypeScript, Python, Go, Rust
- Upstash Box: Python, TypeScript
- Integrations
- Solari: MCP, Claude Code
- Upstash Box: LangChain, Vercel AI SDK, Claude Code, MCP
Full comparison
18 fields, at each provider's list price
Solaridocs
Upstash Boxupstash
Pricing
- vCPU, per hour
- Solari: $0.0525
- Upstash Box: $0.10
- RAM, per GiB-hour
- Solari: $0.0165
- Upstash Box: Included
- Storage
- Solari: Snapshots $0.05 per GB-month, the first 10 GB per organization free, from October 1, 2026.
- Upstash Box: $0.10 per GB per month, including snapshots. Included on Fixed.
- Free tier
- Solari: $3 credit every month
- Upstash Box: Free plan, 5 CPU hours per month
- Paid plan from
- Solari: $20 / month
- Upstash Box: Pay as you go
- Billing
- Solari: Per second
- Upstash Box: Active CPU time only
Limits
- Max session
- Solari: 24 hours
- Upstash Box: Not listed
- Idle stop
- Solari: Not listed
- Upstash Box: After 360 minutes
- Largest sandbox
- Solari: 8 vCPU · 16 GiB
- Upstash Box: 8 vCPU · 16 GiB
- Concurrent sandboxes
- Solari: Up to 10
- Upstash Box: Up to 1,000
Platform
- Isolation
- Solari: Cloud Hypervisor microVM
- Upstash Box: Container
- GPU
- Solari: Not listed
- Upstash Box: Not listed
- Snapshots
- Solari:
- Upstash Box:
- Pause and resume
- Solari:
- Upstash Box:
Developer
- SDKs
- Solari: TypeScript, Python, Go, Rust
- Upstash Box: Python, TypeScript
- Integrations
- Solari: MCP, Claude Code
- Upstash Box: LangChain, Vercel AI SDK, Claude Code, MCP
Trust
- License
- Solari: Not listed
- Upstash Box: Not listed
- BYOC
- Solari: Enterprise plan, in your own VPC
- Upstash Box: Not listed
Hourly cost
One sandbox running for one hour
Solari
Upstash Box
- 1 vCPU · 2 GiB
- Solari: $0.086
- Upstash Box: $0.100
- 2 vCPU · 4 GiB
- Solari: $0.171
- Upstash Box: $0.200
- 4 vCPU · 8 GiB
- Solari: $0.342
- Upstash Box: $0.400
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Solari fits when
- You want each sandbox in its own microVM.
- You want the lower list price: $0.171 against $0.200 an hour for 2 vCPU and 4 GiB.
- You need a desktop in the sandbox.
- You need the sandboxes in your own cloud account.
Upstash Box fits when
- You want to pay only for usage, with no plan fee.
- You use LangChain or the Vercel AI SDK.
- Your code waits a lot: CPU is billed only while it is in use.
- You need GDPR.
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