Maritime vs xShellz Agent Shell
Maritime runs Firecracker microVMs. xShellz Agent Shell runs gVisor and has no session limit.
Updated
Maritime
- Isolation
- Firecracker microVM
- Free tier
- 3 agents, forever
- 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
7 fields differ. The rest are the same or not listed.
Maritime
xShellz Agent Shell
- Storage
- Maritime: $2 per extra 5 GB per machine per month on Starter, $0.75 on Dedicated
- xShellz Agent Shell: Free
- Free tier
- Maritime: 3 agents, forever
- xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
- Paid plan from
- Maritime: $20 / month
- xShellz Agent Shell: $10 / month
- Concurrent sandboxes
- Maritime: Up to 500
- xShellz Agent Shell: Up to 5
- Isolation
- Maritime: Firecracker microVM
- xShellz Agent Shell: gVisor
- SDKs
- Maritime: TypeScript, Python
- xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
- Integrations
- Maritime: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK
- xShellz Agent Shell: MCP, Claude Code
Full comparison
18 fields, at each provider's list price
Maritimemaritime
xShellz Agent Shellxshellz
Pricing
- vCPU, per hour
- Maritime: Not listed
- xShellz Agent Shell: Not listed
- RAM, per GiB-hour
- Maritime: Not listed
- xShellz Agent Shell: Included
- Storage
- Maritime: $2 per extra 5 GB per machine per month on Starter, $0.75 on Dedicated
- xShellz Agent Shell: Free
- Free tier
- Maritime: 3 agents, forever
- xShellz Agent Shell: Free plan, 1 box with 0.5 vCPU and 512 MB
- Paid plan from
- Maritime: $20 / month
- xShellz Agent Shell: $10 / month
- Billing
- Maritime: Not listed
- xShellz Agent Shell: Bundled machine time
Limits
- Max session
- Maritime: Not listed
- xShellz Agent Shell: No limit
- Idle stop
- Maritime: After 5 minutes
- xShellz Agent Shell: Not listed
- Largest sandbox
- Maritime: Not listed
- xShellz Agent Shell: 4 vCPU · 4 GiB
- Concurrent sandboxes
- Maritime: Up to 500
- xShellz Agent Shell: Up to 5
Platform
- Isolation
- Maritime: Firecracker microVM
- xShellz Agent Shell: gVisor
- GPU
- Maritime: Not listed
- xShellz Agent Shell: Not listed
- Snapshots
- Maritime: Not listed
- xShellz Agent Shell: Not listed
- Pause and resume
- Maritime:
- xShellz Agent Shell:
Developer
- SDKs
- Maritime: TypeScript, Python
- xShellz Agent Shell: Python, JavaScript / TypeScript, Go, Java, Ruby, Rust
- Integrations
- Maritime: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK
- xShellz Agent Shell: MCP, Claude Code
Trust
- License
- Maritime: Not listed
- xShellz Agent Shell: Not listed
- BYOC
- Maritime: Not listed
- xShellz Agent Shell: Not listed
Hourly cost
One sandbox running for one hour
Maritime
xShellz Agent Shell
- 1 vCPU · 2 GiB
- Maritime: Not listed
- xShellz Agent Shell: Not listed
- 2 vCPU · 4 GiB
- Maritime: Not listed
- xShellz Agent Shell: Not listed
- 4 vCPU · 8 GiB
- Maritime: Not listed
- xShellz Agent Shell: Not listed
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Maritime fits when
- You want each sandbox in its own microVM.
- You use the Claude Agent SDK, the OpenAI Agents SDK or the Vercel AI SDK.
- You need a desktop in the sandbox.
xShellz Agent Shell fits when
- You need GDPR.
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