Mosaic Sandbox vs Sendblue Sandboxes
Mosaic Sandbox costs $0.025 per vCPU-hour and Sendblue Sandboxes costs $0.165 per vCPU-hour. Mosaic Sandbox runs Firecracker microVMs. Sendblue Sandboxes runs containers.
Updated
Mosaic Sandbox
- Isolation
- Firecracker microVM
- Free tier
- Not listed
- Max session
- Not listed
Sendblue Sandboxes
- Isolation
- Container
- Free tier
- $100 free compute, once per phone number
- Max session
- Not listed
What is different
5 fields differ. The rest are the same or not listed.
Mosaic Sandbox
Sendblue Sandboxes
- vCPU, per hour
- Mosaic Sandbox: $0.025
- Sendblue Sandboxes: $0.165
- Largest sandbox
- Mosaic Sandbox: 16 vCPU · 32 GiB
- Sendblue Sandboxes: 2 vCPU · 8 GiB
- Concurrent sandboxes
- Mosaic Sandbox: Up to 200
- Sendblue Sandboxes: Up to 5
- Isolation
- Mosaic Sandbox: Firecracker microVM
- Sendblue Sandboxes: Container
- Pause and resume
- Mosaic Sandbox:
- Sendblue Sandboxes: No
Full comparison
18 fields, at each provider's list price
Mosaic Sandboxsandbox
Sendblue Sandboxessendblue
Pricing
- vCPU, per hour
- Mosaic Sandbox: $0.025
- Sendblue Sandboxes: $0.165
- RAM, per GiB-hour
- Mosaic Sandbox: Included
- Sendblue Sandboxes: Included
- Storage
- Mosaic Sandbox: Free
- Sendblue Sandboxes: Not listed
- Free tier
- Mosaic Sandbox: Not listed
- Sendblue Sandboxes: $100 free compute, once per phone number
- Paid plan from
- Mosaic Sandbox: Pay as you go
- Sendblue Sandboxes: Not listed
- Billing
- Mosaic Sandbox: Bundled machine time
- Sendblue Sandboxes: Bundled machine time
Limits
- Max session
- Mosaic Sandbox: Not listed
- Sendblue Sandboxes: Not listed
- Idle stop
- Mosaic Sandbox: Not listed
- Sendblue Sandboxes: After 10 minutes
- Largest sandbox
- Mosaic Sandbox: 16 vCPU · 32 GiB
- Sendblue Sandboxes: 2 vCPU · 8 GiB
- Concurrent sandboxes
- Mosaic Sandbox: Up to 200
- Sendblue Sandboxes: Up to 5
Platform
- Isolation
- Mosaic Sandbox: Firecracker microVM
- Sendblue Sandboxes: Container
- GPU
- Mosaic Sandbox: No
- Sendblue Sandboxes: Not listed
- Snapshots
- Mosaic Sandbox:
- Sendblue Sandboxes: Not listed
- Pause and resume
- Mosaic Sandbox:
- Sendblue Sandboxes: No
Developer
- SDKs
- Mosaic Sandbox: Python, TypeScript, Go
- Sendblue Sandboxes: Not listed
- Integrations
- Mosaic Sandbox: LangChain, MCP, Claude Code, Vercel AI SDK
- Sendblue Sandboxes: Not listed
Trust
- License
- Mosaic Sandbox: Not listed
- Sendblue Sandboxes: Not listed
- BYOC
- Mosaic Sandbox: Not listed
- Sendblue Sandboxes: Not listed
Hourly cost
One sandbox running for one hour
Mosaic Sandbox
Sendblue Sandboxes
- 1 vCPU · 2 GiB
- Mosaic Sandbox: $0.025
- Sendblue Sandboxes: $0.165
- 2 vCPU · 4 GiB
- Mosaic Sandbox: $0.050
- Sendblue Sandboxes: $0.330
- 4 vCPU · 8 GiB
- Mosaic Sandbox: $0.100
- Sendblue Sandboxes: $0.660
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Mosaic Sandbox fits when
- You want each sandbox in its own microVM.
- You use LangChain, MCP, Claude Code or the Vercel AI SDK.
- You want the lower list price: $0.050 against $0.330 an hour for 2 vCPU and 4 GiB.
- You need snapshots.
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