Mosaic Sandbox vs Shellbox
Mosaic Sandbox costs $0.025 per vCPU-hour and Shellbox costs $0.01 per vCPU-hour. Mosaic Sandbox runs Firecracker microVMs. Shellbox runs Firecracker microVMs and has no session limit.
Updated
Mosaic Sandbox
- Isolation
- Firecracker microVM
- Free tier
- Not listed
- Max session
- Not listed
Shellbox
- Isolation
- Firecracker microVM
- Free tier
- Not listed
- Max session
- No limit
What is different
4 fields differ. The rest are the same or not listed.
Mosaic Sandbox
Shellbox
- vCPU, per hour
- Mosaic Sandbox: $0.025
- Shellbox: $0.01
- Storage
- Mosaic Sandbox: Free
- Shellbox: A stopped box costs $0.50 per x1 slot per month
- Concurrent sandboxes
- Mosaic Sandbox: Up to 200
- Shellbox: Up to 16
- Integrations
- Mosaic Sandbox: LangChain, MCP, Claude Code, Vercel AI SDK
- Shellbox: Claude Code
Full comparison
18 fields, at each provider's list price
Mosaic Sandboxsandbox
Shellboxshellbox
Pricing
- vCPU, per hour
- Mosaic Sandbox: $0.025
- Shellbox: $0.01
- RAM, per GiB-hour
- Mosaic Sandbox: Included
- Shellbox: Included
- Storage
- Mosaic Sandbox: Free
- Shellbox: A stopped box costs $0.50 per x1 slot per month
- Free tier
- Mosaic Sandbox: Not listed
- Shellbox: Not listed
- Paid plan from
- Mosaic Sandbox: Pay as you go
- Shellbox: Pay as you go
- Billing
- Mosaic Sandbox: Bundled machine time
- Shellbox: Bundled machine time
Limits
- Max session
- Mosaic Sandbox: Not listed
- Shellbox: No limit
- Idle stop
- Mosaic Sandbox: Not listed
- Shellbox: After 2 minutes
- Largest sandbox
- Mosaic Sandbox: 16 vCPU · 32 GiB
- Shellbox: 16 vCPU · 32 GiB
- Concurrent sandboxes
- Mosaic Sandbox: Up to 200
- Shellbox: Up to 16
Platform
- Isolation
- Mosaic Sandbox: Firecracker microVM
- Shellbox: Firecracker microVM
- GPU
- Mosaic Sandbox: No
- Shellbox: Not listed
- Snapshots
- Mosaic Sandbox:
- Shellbox:
- Pause and resume
- Mosaic Sandbox:
- Shellbox:
Developer
- SDKs
- Mosaic Sandbox: Python, TypeScript, Go
- Shellbox: Not listed
- Integrations
- Mosaic Sandbox: LangChain, MCP, Claude Code, Vercel AI SDK
- Shellbox: Claude Code
Trust
- License
- Mosaic Sandbox: Not listed
- Shellbox: Not listed
- BYOC
- Mosaic Sandbox: Not listed
- Shellbox: Not listed
Hourly cost
One sandbox running for one hour
Mosaic Sandbox
Shellbox
- 1 vCPU · 2 GiB
- Mosaic Sandbox: $0.025
- Shellbox: $0.010
- 2 vCPU · 4 GiB
- Mosaic Sandbox: $0.050
- Shellbox: $0.020
- 4 vCPU · 8 GiB
- Mosaic Sandbox: $0.100
- Shellbox: $0.040
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Mosaic Sandbox fits when
- You use LangChain, MCP or the Vercel AI SDK.
Shellbox fits when
- You want the lower list price: $0.020 against $0.050 an hour for 2 vCPU and 4 GiB.
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