Upstash Box vs xShellz Agent Shell
Upstash Box costs $0.10 per vCPU-hour. Upstash Box runs containers. xShellz Agent Shell runs gVisor and has no session limit.
Updated
Upstash Box
- Isolation
- Container
- Free tier
- Free plan, 5 CPU hours per month
- Max session
- Not listed
xShellz Agent Shell
- Isolation
- gVisor
- Free tier
- Free plan, 1 box with 0.5 vCPU and 512 MB
- Max session
- No limit
What is different
9 fields differ. The rest are the same or not listed.
Upstash Box
xShellz Agent Shell
- Storage
- Upstash Box: $0.10 per GB per month, including snapshots. Included on Fixed.
- xShellz Agent Shell: Free
- Free tier
- Upstash Box: Free plan, 5 CPU hours per month
- xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
- Paid plan from
- Upstash Box: Pay as you go
- xShellz Agent Shell: $10 / month
- Billing
- Upstash Box: Active CPU time only
- xShellz Agent Shell: Bundled machine time
- Largest sandbox
- Upstash Box: 8 vCPU · 16 GiB
- xShellz Agent Shell: 4 vCPU · 4 GiB
- Concurrent sandboxes
- Upstash Box: Up to 1,000
- xShellz Agent Shell: Up to 5
- Isolation
- Upstash Box: Container
- xShellz Agent Shell: gVisor
- SDKs
- Upstash Box: Python, TypeScript
- xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
- Integrations
- Upstash Box: LangChain, Vercel AI SDK, Claude Code, MCP
- xShellz Agent Shell: MCP, Claude Code
Full comparison
18 fields, at each provider's list price
Upstash Boxupstash
xShellz Agent Shellxshellz
Pricing
- vCPU, per hour
- Upstash Box: $0.10
- xShellz Agent Shell: Not listed
- RAM, per GiB-hour
- Upstash Box: Included
- xShellz Agent Shell: Included
- Storage
- Upstash Box: $0.10 per GB per month, including snapshots. Included on Fixed.
- xShellz Agent Shell: Free
- Free tier
- Upstash Box: Free plan, 5 CPU hours per month
- xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
- Paid plan from
- Upstash Box: Pay as you go
- xShellz Agent Shell: $10 / month
- Billing
- Upstash Box: Active CPU time only
- xShellz Agent Shell: Bundled machine time
Limits
- Max session
- Upstash Box: Not listed
- xShellz Agent Shell: No limit
- Idle stop
- Upstash Box: After 360 minutes
- xShellz Agent Shell: Not listed
- Largest sandbox
- Upstash Box: 8 vCPU · 16 GiB
- xShellz Agent Shell: 4 vCPU · 4 GiB
- Concurrent sandboxes
- Upstash Box: Up to 1,000
- xShellz Agent Shell: Up to 5
Platform
- Isolation
- Upstash Box: Container
- xShellz Agent Shell: gVisor
- GPU
- Upstash Box: Not listed
- xShellz Agent Shell: Not listed
- Snapshots
- Upstash Box:
- xShellz Agent Shell: Not listed
- Pause and resume
- Upstash Box:
- xShellz Agent Shell:
Developer
- SDKs
- Upstash Box: Python, TypeScript
- xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
- Integrations
- Upstash Box: LangChain, Vercel AI SDK, Claude Code, MCP
- xShellz Agent Shell: MCP, Claude Code
Trust
- License
- Upstash Box: Not listed
- xShellz Agent Shell: Not listed
- BYOC
- Upstash Box: Not listed
- xShellz Agent Shell: Not listed
Hourly cost
One sandbox running for one hour
Upstash Box
xShellz Agent Shell
- 1 vCPU · 2 GiB
- Upstash Box: $0.100
- xShellz Agent Shell: Not listed
- 2 vCPU · 4 GiB
- Upstash Box: $0.200
- xShellz Agent Shell: Not listed
- 4 vCPU · 8 GiB
- Upstash Box: $0.400
- xShellz Agent Shell: Not listed
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Upstash Box fits when
- You want to pay only for usage, with no plan fee.
- You use LangChain or the Vercel AI SDK.
- You need snapshots.
- Your code waits a lot: CPU is billed only while it is in use.
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