Brimble Sandboxes vs Unikraft Cloud

Brimble Sandboxes runs gVisor and limits a session to 6 hours. Unikraft Cloud runs Firecracker microVMs and offers GPUs.

Updated

Brimble Sandboxes

Isolation
gVisor
Free tier
7-day Developer plan trial, card required
Max session
6 hours

Unikraft Cloud

Isolation
Firecracker microVM
Free tier
Hobby plan, free forever
Max session
Not listed

What is different

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

Brimble Sandboxes
Unikraft Cloud
Free tier
Brimble Sandboxes: 7-day Developer plan trial, card required
Unikraft Cloud: Hobby plan, free forever
Paid plan from
Brimble Sandboxes: $3 / month
Unikraft Cloud: $39 / month
Concurrent sandboxes
Brimble Sandboxes: Up to 15
Unikraft Cloud: Up to 24
Isolation
Brimble Sandboxes: gVisor
Unikraft Cloud: Firecracker microVM
SDKs
Brimble Sandboxes: JavaScript / TypeScript, Python, Go
Unikraft Cloud: Python, JavaScript / TypeScript, Go

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Brimble Sandboxes: Not listed
Unikraft Cloud: Not listed
RAM, per GiB-hour
Brimble Sandboxes: Not listed
Unikraft Cloud: Not listed
Storage
Brimble Sandboxes: Snapshot storage and persistent volumes bill at storage rates
Unikraft Cloud: Not listed
Free tier
Brimble Sandboxes: 7-day Developer plan trial, card required
Unikraft Cloud: Hobby plan, free forever
Paid plan from
Brimble Sandboxes: $3 / month
Unikraft Cloud: $39 / month
Billing
Brimble Sandboxes: Per second
Unikraft Cloud: Not listed

Limits

Max session
Brimble Sandboxes: 6 hours
Unikraft Cloud: Not listed
Idle stop
Brimble Sandboxes: Not listed
Unikraft Cloud: Not listed
Largest sandbox
Brimble Sandboxes: 4 vCPU · 8 GiB
Unikraft Cloud: Not listed
Concurrent sandboxes
Brimble Sandboxes: Up to 15
Unikraft Cloud: Up to 24

Platform

Isolation
Brimble Sandboxes: gVisor
Unikraft Cloud: Firecracker microVM
GPU
Brimble Sandboxes: Not listed
Unikraft Cloud:
Snapshots
Brimble Sandboxes:
Unikraft Cloud:
Pause and resume
Brimble Sandboxes:
Unikraft Cloud:

Developer

SDKs
Brimble Sandboxes: JavaScript / TypeScript, Python, Go
Unikraft Cloud: Python, JavaScript / TypeScript, Go
Integrations
Brimble Sandboxes: MCP, Claude Code
Unikraft Cloud: Not listed

Trust

License
Brimble Sandboxes: Not listed
Unikraft Cloud: Not listed
BYOC
Brimble Sandboxes: Not listed
Unikraft Cloud: Enterprise plan

Hourly cost

One sandbox running for one hour

Brimble Sandboxes
Unikraft Cloud
1 vCPU · 2 GiB
Brimble Sandboxes: Not listed
Unikraft Cloud: Not listed
2 vCPU · 4 GiB
Brimble Sandboxes: Not listed
Unikraft Cloud: Not listed
4 vCPU · 8 GiB
Brimble Sandboxes: Not listed
Unikraft Cloud: Not listed

Compute only, at list rates.

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Which one fits

Based on the fields above

Brimble Sandboxes fits when

  • You use MCP or Claude Code.

Unikraft Cloud fits when

  • You need GPUs.
  • You want each sandbox in its own microVM.
  • You need a desktop in the sandbox.
  • You need the sandboxes in your own cloud account.

More comparisons

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