Koyeb Sandboxes vs Unikraft Cloud

Koyeb Sandboxes costs $0.0144 per vCPU-hour. Koyeb Sandboxes runs microVMs. Unikraft Cloud runs Firecracker microVMs.

Updated Oct 14, 2026

Koyeb Sandboxes

Sandboxes for AI agents, run as Koyeb Instances.

Isolation: MicroVM
Free tier: Not listed
Max session: Not listed

Visit site Koyeb Sandboxes profile

Unikraft Cloud

MicroVM sandboxes that start in under 10 ms.

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

Visit site Unikraft Cloud profile

What is different

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

Field

Koyeb Sandboxes

Unikraft Cloud

Isolation: Koyeb Sandboxes: MicroVM; Unikraft Cloud: Firecracker microVM
SDKs: Koyeb Sandboxes: Python, JavaScript; Unikraft Cloud: Python, JavaScript / TypeScript, Go

Full comparison

18 fields, at each provider's list price

Koyeb Sandboxeskoyeb.com/docs/reference/instanceskoyeb.com

Unikraft Cloudunikraft.com/pricingunikraft.com

Pricing

vCPU, per hour: Koyeb Sandboxes: $0.0144; Unikraft Cloud: Not listed
RAM, per GiB-hour: Koyeb Sandboxes: Included; Unikraft Cloud: Not listed
Storage: Koyeb Sandboxes: Not listed; Unikraft Cloud: Not listed
Free tier: Koyeb Sandboxes: Not listed; Unikraft Cloud: Hobby plan, free forever
Paid plan from: Koyeb Sandboxes: Not listed; Unikraft Cloud: $39 / month
Billing: Koyeb Sandboxes: Bundled machine time; Unikraft Cloud: Not listed

Limits

Max session: Koyeb Sandboxes: Not listed; Unikraft Cloud: Not listed
Idle stop: Koyeb Sandboxes: Not listed; Unikraft Cloud: Not listed
Largest sandbox: Koyeb Sandboxes: Not listed; Unikraft Cloud: Not listed
Concurrent sandboxes: Koyeb Sandboxes: Not listed; Unikraft Cloud: Up to 24

Platform

Isolation: Koyeb Sandboxes: MicroVM; Unikraft Cloud: Firecracker microVM
GPU: Koyeb Sandboxes: Not listed; Unikraft Cloud: Not listed
Snapshots: Koyeb Sandboxes: Not listed; Unikraft Cloud:
Pause and resume: Koyeb Sandboxes: Not listed; Unikraft Cloud:

Developer

SDKs: Koyeb Sandboxes: Python, JavaScript; Unikraft Cloud: Python, JavaScript / TypeScript, Go
Integrations: Koyeb Sandboxes: Not listed; Unikraft Cloud: Not listed

Trust

License: Koyeb Sandboxes: Not listed; Unikraft Cloud: Not listed
BYOC: Koyeb Sandboxes: Not listed; Unikraft Cloud: Enterprise plan

Hourly cost

One sandbox running for one hour

Size

Koyeb Sandboxes

Unikraft Cloud

1 vCPU · 2 GiB: Koyeb Sandboxes: $0.014; Unikraft Cloud: Not listed
2 vCPU · 4 GiB: Koyeb Sandboxes: $0.029; Unikraft Cloud: Not listed
4 vCPU · 8 GiB: Koyeb Sandboxes: $0.058; Unikraft Cloud: Not listed

Compute only, at list rates.

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Which one fits

Based on the fields above

Unikraft Cloud fits when

You need snapshots.
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

See all comparisons

Koyeb Sandboxes

Unikraft Cloud

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Unikraft Cloud fits when

More comparisons

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