Mosaic Sandbox vs Sailboxes

Mosaic Sandbox costs $0.025 per vCPU-hour and Sailboxes costs $0.015 per vCPU-hour. Mosaic Sandbox runs Firecracker microVMs. Sailboxes runs full VMs and has no session limit.

Updated

Mosaic Sandbox

Isolation
Firecracker microVM
Free tier
Not listed
Max session
Not listed

Sailboxes

Isolation
Full VM
Free tier
$5 credit every month
Max session
No limit

What is different

7 fields differ. The rest are the same or not listed.

Mosaic Sandbox
Sailboxes
vCPU, per hour
Mosaic Sandbox: $0.025
Sailboxes: $0.015
RAM, per GiB-hour
Mosaic Sandbox: Included
Sailboxes: $0.008
Storage
Mosaic Sandbox: Free
Sailboxes: $0.0007 per GiB-hour
Billing
Mosaic Sandbox: Bundled machine time
Sailboxes: Per second
Concurrent sandboxes
Mosaic Sandbox: Up to 200
Sailboxes: Up to 5,000
Isolation
Mosaic Sandbox: Firecracker microVM
Sailboxes: Full VM
SDKs
Mosaic Sandbox: Python, TypeScript, Go
Sailboxes: Python, TypeScript, Rust

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Mosaic Sandbox: $0.025
Sailboxes: $0.015
RAM, per GiB-hour
Mosaic Sandbox: Included
Sailboxes: $0.008
Storage
Mosaic Sandbox: Free
Sailboxes: $0.0007 per GiB-hour
Free tier
Mosaic Sandbox: Not listed
Sailboxes: $5 credit every month
Paid plan from
Mosaic Sandbox: Pay as you go
Sailboxes: Pay as you go
Billing
Mosaic Sandbox: Bundled machine time
Sailboxes: Per second

Limits

Max session
Mosaic Sandbox: Not listed
Sailboxes: No limit
Idle stop
Mosaic Sandbox: Not listed
Sailboxes: Not listed
Largest sandbox
Mosaic Sandbox: 16 vCPU · 32 GiB
Sailboxes: Not listed
Concurrent sandboxes
Mosaic Sandbox: Up to 200
Sailboxes: Up to 5,000

Platform

Isolation
Mosaic Sandbox: Firecracker microVM
Sailboxes: Full VM
GPU
Mosaic Sandbox: Not listed
Sailboxes: Not listed
Snapshots
Mosaic Sandbox:
Sailboxes:
Pause and resume
Mosaic Sandbox:
Sailboxes:

Developer

SDKs
Mosaic Sandbox: Python, TypeScript, Go
Sailboxes: Python, TypeScript, Rust
Integrations
Mosaic Sandbox: LangChain, MCP
Sailboxes: Not listed

Trust

License
Mosaic Sandbox: Not listed
Sailboxes: Not listed
BYOC
Mosaic Sandbox: Not listed
Sailboxes: Not listed

Hourly cost

One sandbox running for one hour

Mosaic Sandbox
Sailboxes
1 vCPU · 2 GiB
Mosaic Sandbox: $0.025
Sailboxes: $0.031
2 vCPU · 4 GiB
Mosaic Sandbox: $0.050
Sailboxes: $0.062
4 vCPU · 8 GiB
Mosaic Sandbox: $0.100
Sailboxes: $0.124

Compute only, at list rates.

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Which one fits

Based on the fields above

Mosaic Sandbox fits when

  • You want each sandbox in its own microVM.
  • You use LangChain or MCP.
  • You want the lower list price: $0.050 against $0.062 an hour for 2 vCPU and 4 GiB.

Sailboxes fits when

  • You want each sandbox to be a full VM.
  • You need SOC 2 and HIPAA.

More comparisons

See all comparisons

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