Runtime vs xShellz Agent Shell
Runtime costs $0.025 per vCPU-hour. Runtime runs Firecracker microVMs and has no session limit. xShellz Agent Shell runs gVisor and has no session limit.
Updated
Runtime
- Isolation
- Firecracker microVM
- Free tier
- 100 hours of a 1 GB machine in the first 30 days
- Max session
- No limit
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
10 fields differ. The rest are the same or not listed.
Runtime
xShellz Agent Shell
- RAM, per GiB-hour
- Runtime: $0.0075
- xShellz Agent Shell: Included
- Storage
- Runtime: $0.000119 per GiB-hour after 10 free GiB
- xShellz Agent Shell: Free
- Free tier
- Runtime: 100 hours of a 1 GB machine in the first 30 days
- xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
- Paid plan from
- Runtime: Pay as you go
- xShellz Agent Shell: $10 / month
- Billing
- Runtime: Active CPU time only
- xShellz Agent Shell: Bundled machine time
- Largest sandbox
- Runtime: 16 vCPU · 64 GiB
- xShellz Agent Shell: 4 vCPU · 4 GiB
- Concurrent sandboxes
- Runtime: Up to 200
- xShellz Agent Shell: Up to 5
- Isolation
- Runtime: Firecracker microVM
- xShellz Agent Shell: gVisor
- SDKs
- Runtime: JavaScript / TypeScript, Python, Go, Ruby, Java
- xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
- Integrations
- Runtime: OpenAI Agents SDK, Vercel AI SDK, Claude Agent SDK, LangChain, MCP, Claude Code
- xShellz Agent Shell: MCP, Claude Code
Full comparison
18 fields, at each provider's list price
Runtimewithruntime
xShellz Agent Shellxshellz
Pricing
- vCPU, per hour
- Runtime: $0.025
- xShellz Agent Shell: Not listed
- RAM, per GiB-hour
- Runtime: $0.0075
- xShellz Agent Shell: Included
- Storage
- Runtime: $0.000119 per GiB-hour after 10 free GiB
- xShellz Agent Shell: Free
- Free tier
- Runtime: 100 hours of a 1 GB machine in the first 30 days
- xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
- Paid plan from
- Runtime: Pay as you go
- xShellz Agent Shell: $10 / month
- Billing
- Runtime: Active CPU time only
- xShellz Agent Shell: Bundled machine time
Limits
- Max session
- Runtime: No limit
- xShellz Agent Shell: No limit
- Idle stop
- Runtime: After 5 minutes
- xShellz Agent Shell: Not listed
- Largest sandbox
- Runtime: 16 vCPU · 64 GiB
- xShellz Agent Shell: 4 vCPU · 4 GiB
- Concurrent sandboxes
- Runtime: Up to 200
- xShellz Agent Shell: Up to 5
Platform
- Isolation
- Runtime: Firecracker microVM
- xShellz Agent Shell: gVisor
- GPU
- Runtime: No
- xShellz Agent Shell: Not listed
- Snapshots
- Runtime:
- xShellz Agent Shell: Not listed
- Pause and resume
- Runtime:
- xShellz Agent Shell:
Developer
- SDKs
- Runtime: JavaScript / TypeScript, Python, Go, Ruby, Java
- xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
- Integrations
- Runtime: OpenAI Agents SDK, Vercel AI SDK, Claude Agent SDK, LangChain, MCP, Claude Code
- xShellz Agent Shell: MCP, Claude Code
Trust
- License
- Runtime: Not listed
- xShellz Agent Shell: Not listed
- BYOC
- Runtime: Not listed
- xShellz Agent Shell: Not listed
Hourly cost
One sandbox running for one hour
Runtime
xShellz Agent Shell
- 1 vCPU · 2 GiB
- Runtime: $0.040
- xShellz Agent Shell: Not listed
- 2 vCPU · 4 GiB
- Runtime: $0.080
- xShellz Agent Shell: Not listed
- 4 vCPU · 8 GiB
- Runtime: $0.160
- xShellz Agent Shell: Not listed
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Runtime fits when
- You want to pay only for usage, with no plan fee.
- You want each sandbox in its own microVM.
- You use the OpenAI Agents SDK, the Vercel AI SDK, the Claude Agent SDK or LangChain.
- You need snapshots.
xShellz Agent Shell fits when
- You need GDPR.
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