Shardflux vs xShellz Agent Shell
Shardflux costs $0.04 per vCPU-hour. Shardflux runs Firecracker microVMs and offers GPUs. xShellz Agent Shell runs gVisor and has no session limit.
Updated
Shardflux
- Isolation
- Firecracker microVM
- Free tier
- 30-day Pro trial, no card needed
- 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.
Shardflux
xShellz Agent Shell
- RAM, per GiB-hour
- Shardflux: $0.015
- xShellz Agent Shell: Included
- Free tier
- Shardflux: 30-day Pro trial, no card needed
- xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
- Paid plan from
- Shardflux: $9 / month
- xShellz Agent Shell: $10 / month
- Billing
- Shardflux: Active CPU time only
- xShellz Agent Shell: Bundled machine time
- Largest sandbox
- Shardflux: 32 vCPU · 64 GiB
- xShellz Agent Shell: 4 vCPU · 4 GiB
- Concurrent sandboxes
- Shardflux: Up to 200
- xShellz Agent Shell: Up to 5
- Isolation
- Shardflux: Firecracker microVM
- xShellz Agent Shell: gVisor
- SDKs
- Shardflux: TypeScript, Python
- xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
- Integrations
- Shardflux: Claude Code, MCP, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain
- xShellz Agent Shell: MCP, Claude Code
Full comparison
18 fields, at each provider's list price
Shardfluxshardflux
xShellz Agent Shellxshellz
Pricing
- vCPU, per hour
- Shardflux: $0.04
- xShellz Agent Shell: Not listed
- RAM, per GiB-hour
- Shardflux: $0.015
- xShellz Agent Shell: Included
- Storage
- Shardflux: Free
- xShellz Agent Shell: Free
- Free tier
- Shardflux: 30-day Pro trial, no card needed
- xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
- Paid plan from
- Shardflux: $9 / month
- xShellz Agent Shell: $10 / month
- Billing
- Shardflux: Active CPU time only
- xShellz Agent Shell: Bundled machine time
Limits
- Max session
- Shardflux: Not listed
- xShellz Agent Shell: No limit
- Idle stop
- Shardflux: After 5 minutes
- xShellz Agent Shell: Not listed
- Largest sandbox
- Shardflux: 32 vCPU · 64 GiB
- xShellz Agent Shell: 4 vCPU · 4 GiB
- Concurrent sandboxes
- Shardflux: Up to 200
- xShellz Agent Shell: Up to 5
Platform
- Isolation
- Shardflux: Firecracker microVM
- xShellz Agent Shell: gVisor
- GPU
- Shardflux:
- xShellz Agent Shell: Not listed
- Snapshots
- Shardflux:
- xShellz Agent Shell: Not listed
- Pause and resume
- Shardflux:
- xShellz Agent Shell:
Developer
- SDKs
- Shardflux: TypeScript, Python
- xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
- Integrations
- Shardflux: Claude Code, MCP, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain
- xShellz Agent Shell: MCP, Claude Code
Trust
- License
- Shardflux: Not listed
- xShellz Agent Shell: Not listed
- BYOC
- Shardflux: Not listed
- xShellz Agent Shell: Not listed
Hourly cost
One sandbox running for one hour
Shardflux
xShellz Agent Shell
- 1 vCPU · 2 GiB
- Shardflux: $0.070
- xShellz Agent Shell: Not listed
- 2 vCPU · 4 GiB
- Shardflux: $0.140
- xShellz Agent Shell: Not listed
- 4 vCPU · 8 GiB
- Shardflux: $0.280
- xShellz Agent Shell: Not listed
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Shardflux fits when
- You need GPUs.
- You want each sandbox in its own microVM.
- You use the Claude Agent SDK, the OpenAI Agents SDK, the Vercel AI SDK or LangChain.
- You need snapshots.
xShellz Agent Shell fits when
- You need GDPR.
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