CoreWeave Sandboxes vs Mosaic Sandbox
CoreWeave Sandboxes costs $0.128 per vCPU-hour and Mosaic Sandbox costs $0.025 per vCPU-hour. CoreWeave Sandboxes runs microVMs, offers GPUs and limits a session to 720 hours. Mosaic Sandbox runs Firecracker microVMs.
Updated
CoreWeave Sandboxes
- Isolation
- MicroVM
- Free tier
- Not listed
- Max session
- 720 hours
Mosaic Sandbox
- Isolation
- Firecracker microVM
- Free tier
- Not listed
- Max session
- Not listed
What is different
8 fields differ. The rest are the same or not listed.
CoreWeave Sandboxes
Mosaic Sandbox
- vCPU, per hour
- CoreWeave Sandboxes: $0.128
- Mosaic Sandbox: $0.025
- RAM, per GiB-hour
- CoreWeave Sandboxes: $0.0212
- Mosaic Sandbox: Included
- Storage
- CoreWeave Sandboxes: Snapshots and volumes billed separately
- Mosaic Sandbox: Free
- Billing
- CoreWeave Sandboxes: Per second
- Mosaic Sandbox: Bundled machine time
- Concurrent sandboxes
- CoreWeave Sandboxes: Up to 5,000
- Mosaic Sandbox: Up to 200
- Isolation
- CoreWeave Sandboxes: MicroVM
- Mosaic Sandbox: Firecracker microVM
- SDKs
- CoreWeave Sandboxes: Python, TypeScript
- Mosaic Sandbox: Python, TypeScript, Go
- Integrations
- CoreWeave Sandboxes: Claude Code
- Mosaic Sandbox: LangChain, MCP
Full comparison
18 fields, at each provider's list price
CoreWeave Sandboxescoreweave
Mosaic Sandboxsandbox
Pricing
- vCPU, per hour
- CoreWeave Sandboxes: $0.128
- Mosaic Sandbox: $0.025
- RAM, per GiB-hour
- CoreWeave Sandboxes: $0.0212
- Mosaic Sandbox: Included
- Storage
- CoreWeave Sandboxes: Snapshots and volumes billed separately
- Mosaic Sandbox: Free
- Free tier
- CoreWeave Sandboxes: Not listed
- Mosaic Sandbox: Not listed
- Paid plan from
- CoreWeave Sandboxes: Not listed
- Mosaic Sandbox: Pay as you go
- Billing
- CoreWeave Sandboxes: Per second
- Mosaic Sandbox: Bundled machine time
Limits
- Max session
- CoreWeave Sandboxes: 720 hours
- Mosaic Sandbox: Not listed
- Idle stop
- CoreWeave Sandboxes: Not listed
- Mosaic Sandbox: Not listed
- Largest sandbox
- CoreWeave Sandboxes: Not listed
- Mosaic Sandbox: 16 vCPU · 32 GiB
- Concurrent sandboxes
- CoreWeave Sandboxes: Up to 5,000
- Mosaic Sandbox: Up to 200
Platform
- Isolation
- CoreWeave Sandboxes: MicroVM
- Mosaic Sandbox: Firecracker microVM
- GPU
- CoreWeave Sandboxes:
- Mosaic Sandbox: Not listed
- Snapshots
- CoreWeave Sandboxes:
- Mosaic Sandbox:
- Pause and resume
- CoreWeave Sandboxes: Not listed
- Mosaic Sandbox:
Developer
- SDKs
- CoreWeave Sandboxes: Python, TypeScript
- Mosaic Sandbox: Python, TypeScript, Go
- Integrations
- CoreWeave Sandboxes: Claude Code
- Mosaic Sandbox: LangChain, MCP
Trust
- License
- CoreWeave Sandboxes: Not listed
- Mosaic Sandbox: Not listed
- BYOC
- CoreWeave Sandboxes: Your CKS clusters. CoreWeave runs the gateway.
- Mosaic Sandbox: Not listed
Hourly cost
One sandbox running for one hour
CoreWeave Sandboxes
Mosaic Sandbox
- 1 vCPU · 2 GiB
- CoreWeave Sandboxes: $0.170
- Mosaic Sandbox: $0.025
- 2 vCPU · 4 GiB
- CoreWeave Sandboxes: $0.341
- Mosaic Sandbox: $0.050
- 4 vCPU · 8 GiB
- CoreWeave Sandboxes: $0.682
- Mosaic Sandbox: $0.100
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
CoreWeave Sandboxes fits when
- You need GPUs.
- You use Claude Code.
- You need a desktop in the sandbox.
- You need the sandboxes in your own cloud account.
Mosaic Sandbox fits when
- You use LangChain or MCP.
- You want the lower list price: $0.050 against $0.341 an hour for 2 vCPU and 4 GiB.
- You need pause and resume.
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