Mosaic Sandbox vs Upstash Box
Mosaic Sandbox costs $0.025 per vCPU-hour and Upstash Box costs $0.10 per vCPU-hour. Mosaic Sandbox runs Firecracker microVMs. Upstash Box runs containers.
Updated
Mosaic Sandbox
- Isolation
- Firecracker microVM
- Free tier
- Not listed
- Max session
- Not listed
Upstash Box
- Isolation
- Container
- Free tier
- Free plan, 5 CPU hours per month
- Max session
- Not listed
What is different
8 fields differ. The rest are the same or not listed.
Mosaic Sandbox
Upstash Box
- vCPU, per hour
- Mosaic Sandbox: $0.025
- Upstash Box: $0.10
- Storage
- Mosaic Sandbox: Free
- Upstash Box: $0.10 per GB per month, including snapshots. Included on Fixed.
- Billing
- Mosaic Sandbox: Bundled machine time
- Upstash Box: Active CPU time only
- Largest sandbox
- Mosaic Sandbox: 16 vCPU · 32 GiB
- Upstash Box: 8 vCPU · 16 GiB
- Concurrent sandboxes
- Mosaic Sandbox: Up to 200
- Upstash Box: Up to 1,000
- Isolation
- Mosaic Sandbox: Firecracker microVM
- Upstash Box: Container
- SDKs
- Mosaic Sandbox: Python, TypeScript, Go
- Upstash Box: Python, TypeScript
- Integrations
- Mosaic Sandbox: LangChain, MCP
- Upstash Box: LangChain, Vercel AI SDK
Full comparison
18 fields, at each provider's list price
Mosaic Sandboxsandbox
Upstash Boxupstash
Pricing
- vCPU, per hour
- Mosaic Sandbox: $0.025
- Upstash Box: $0.10
- RAM, per GiB-hour
- Mosaic Sandbox: Included
- Upstash Box: Included
- Storage
- Mosaic Sandbox: Free
- Upstash Box: $0.10 per GB per month, including snapshots. Included on Fixed.
- Free tier
- Mosaic Sandbox: Not listed
- Upstash Box: Free plan, 5 CPU hours per month
- Paid plan from
- Mosaic Sandbox: Pay as you go
- Upstash Box: Pay as you go
- Billing
- Mosaic Sandbox: Bundled machine time
- Upstash Box: Active CPU time only
Limits
- Max session
- Mosaic Sandbox: Not listed
- Upstash Box: Not listed
- Idle stop
- Mosaic Sandbox: Not listed
- Upstash Box: After 360 minutes
- Largest sandbox
- Mosaic Sandbox: 16 vCPU · 32 GiB
- Upstash Box: 8 vCPU · 16 GiB
- Concurrent sandboxes
- Mosaic Sandbox: Up to 200
- Upstash Box: Up to 1,000
Platform
- Isolation
- Mosaic Sandbox: Firecracker microVM
- Upstash Box: Container
- GPU
- Mosaic Sandbox: Not listed
- Upstash Box: Not listed
- Snapshots
- Mosaic Sandbox:
- Upstash Box:
- Pause and resume
- Mosaic Sandbox:
- Upstash Box:
Developer
- SDKs
- Mosaic Sandbox: Python, TypeScript, Go
- Upstash Box: Python, TypeScript
- Integrations
- Mosaic Sandbox: LangChain, MCP
- Upstash Box: LangChain, Vercel AI SDK
Trust
- License
- Mosaic Sandbox: Not listed
- Upstash Box: Not listed
- BYOC
- Mosaic Sandbox: Not listed
- Upstash Box: Not listed
Hourly cost
One sandbox running for one hour
Mosaic Sandbox
Upstash Box
- 1 vCPU · 2 GiB
- Mosaic Sandbox: $0.025
- Upstash Box: $0.100
- 2 vCPU · 4 GiB
- Mosaic Sandbox: $0.050
- Upstash Box: $0.200
- 4 vCPU · 8 GiB
- Mosaic Sandbox: $0.100
- Upstash Box: $0.400
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Mosaic Sandbox fits when
- You want each sandbox in its own microVM.
- You use MCP.
- You want the lower list price: $0.050 against $0.200 an hour for 2 vCPU and 4 GiB.
- You need a sandbox larger than 8 vCPU · 16 GiB.
Upstash Box fits when
- You use the Vercel AI SDK.
- Your code waits a lot: CPU is billed only while it is in use.
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