Cloudflare Sandbox vs Unikraft Cloud

Cloudflare Sandbox costs $0.072 per vCPU-hour. Cloudflare Sandbox runs Firecracker microVMs. Unikraft Cloud runs Firecracker microVMs.

Updated

Cloudflare Sandbox

Isolation
Firecracker microVM
Free tier
None
Max session
Not listed

Unikraft Cloud

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

What is different

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

Cloudflare Sandbox
Unikraft Cloud
Free tier
Cloudflare Sandbox: None
Unikraft Cloud: Hobby plan, free forever
Paid plan from
Cloudflare Sandbox: $5 / month
Unikraft Cloud: $39 / month
SDKs
Cloudflare Sandbox: TypeScript
Unikraft Cloud: Python, JavaScript / TypeScript, Go

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Cloudflare Sandbox: $0.072
Unikraft Cloud: Not listed
RAM, per GiB-hour
Cloudflare Sandbox: $0.009
Unikraft Cloud: Not listed
Storage
Cloudflare Sandbox: $0.000252 per GiB-hour
Unikraft Cloud: Not listed
Free tier
Cloudflare Sandbox: None
Unikraft Cloud: Hobby plan, free forever
Paid plan from
Cloudflare Sandbox: $5 / month
Unikraft Cloud: $39 / month
Billing
Cloudflare Sandbox: Active CPU time only
Unikraft Cloud: Not listed

Limits

Max session
Cloudflare Sandbox: Not listed
Unikraft Cloud: Not listed
Idle stop
Cloudflare Sandbox: Not listed
Unikraft Cloud: Not listed
Largest sandbox
Cloudflare Sandbox: 4 vCPU · 12 GiB
Unikraft Cloud: Not listed
Concurrent sandboxes
Cloudflare Sandbox: Not listed
Unikraft Cloud: Up to 24

Platform

Isolation
Cloudflare Sandbox: Firecracker microVM
Unikraft Cloud: Firecracker microVM
GPU
Cloudflare Sandbox: Not listed
Unikraft Cloud: Not listed
Snapshots
Cloudflare Sandbox:
Unikraft Cloud:
Pause and resume
Cloudflare Sandbox: Not listed
Unikraft Cloud:

Developer

SDKs
Cloudflare Sandbox: TypeScript
Unikraft Cloud: Python, JavaScript / TypeScript, Go
Integrations
Cloudflare Sandbox: Not listed
Unikraft Cloud: Not listed

Trust

License
Cloudflare Sandbox: Not listed
Unikraft Cloud: Not listed
BYOC
Cloudflare Sandbox: Not listed
Unikraft Cloud: Enterprise plan

Hourly cost

One sandbox running for one hour

Cloudflare Sandbox
Unikraft Cloud
1 vCPU · 2 GiB
Cloudflare Sandbox: $0.090
Unikraft Cloud: Not listed
2 vCPU · 4 GiB
Cloudflare Sandbox: $0.180
Unikraft Cloud: Not listed
4 vCPU · 8 GiB
Cloudflare Sandbox: $0.360
Unikraft Cloud: Not listed

Compute only, at list rates.

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Which one fits

Based on the fields above

Cloudflare Sandbox fits when

  • Your code waits a lot: CPU is billed only while it is in use.

Unikraft Cloud fits when

  • You want to start without paying.
  • You need pause and resume.
  • You need the sandboxes in your own cloud account.
  • You need SOC 2 Type II, HIPAA and GDPR.

More comparisons

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