boat vs Mosaic Sandbox

boat costs $0.009 per vCPU-hour and Mosaic Sandbox costs $0.025 per vCPU-hour. boat runs full VMs and has no session limit. Mosaic Sandbox runs Firecracker microVMs.

Updated

boat

Isolation
Full VM
Free tier
Free trial with 25 hours
Max session
No limit

Mosaic Sandbox

Isolation
Firecracker microVM
Free tier
Not listed
Max session
Not listed

What is different

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

boat
Mosaic Sandbox
vCPU, per hour
boat: $0.009
Mosaic Sandbox: $0.025
Paid plan from
boat: $20 / month
Mosaic Sandbox: Pay as you go
Concurrent sandboxes
boat: Up to 2,000
Mosaic Sandbox: Up to 200
Isolation
boat: Full VM
Mosaic Sandbox: Firecracker microVM
SDKs
boat: Python, JavaScript / TypeScript
Mosaic Sandbox: Python, TypeScript, Go
Integrations
boat: MCP, Claude Code
Mosaic Sandbox: LangChain, MCP

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
boat: $0.009
Mosaic Sandbox: $0.025
RAM, per GiB-hour
boat: Included
Mosaic Sandbox: Included
Storage
boat: Free
Mosaic Sandbox: Free
Free tier
boat: Free trial with 25 hours
Mosaic Sandbox: Not listed
Paid plan from
boat: $20 / month
Mosaic Sandbox: Pay as you go
Billing
boat: Bundled machine time
Mosaic Sandbox: Bundled machine time

Limits

Max session
boat: No limit
Mosaic Sandbox: Not listed
Idle stop
boat: Not listed
Mosaic Sandbox: Not listed
Largest sandbox
boat: 16 vCPU · 32 GiB
Mosaic Sandbox: 16 vCPU · 32 GiB
Concurrent sandboxes
boat: Up to 2,000
Mosaic Sandbox: Up to 200

Platform

Isolation
boat: Full VM
Mosaic Sandbox: Firecracker microVM
GPU
boat: No
Mosaic Sandbox: Not listed
Snapshots
boat:
Mosaic Sandbox:
Pause and resume
boat:
Mosaic Sandbox:

Developer

SDKs
boat: Python, JavaScript / TypeScript
Mosaic Sandbox: Python, TypeScript, Go
Integrations
boat: MCP, Claude Code
Mosaic Sandbox: LangChain, MCP

Trust

License
boat: Not listed
Mosaic Sandbox: Not listed
BYOC
boat: Not listed
Mosaic Sandbox: Not listed

Hourly cost

One sandbox running for one hour

boat
Mosaic Sandbox
1 vCPU · 2 GiB
boat: $0.009
Mosaic Sandbox: $0.025
2 vCPU · 4 GiB
boat: $0.018
Mosaic Sandbox: $0.050
4 vCPU · 8 GiB
boat: $0.036
Mosaic Sandbox: $0.100

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

boat fits when

  • You want each sandbox to be a full VM.
  • You use Claude Code.
  • You want the lower list price: $0.018 against $0.050 an hour for 2 vCPU and 4 GiB.
  • You need a desktop in the sandbox.

Mosaic Sandbox fits when

  • You want to pay only for usage, with no plan fee.
  • You want each sandbox in its own microVM.
  • You use LangChain.

More comparisons

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