CreateOS Sandbox free tier: quotas, limits and gotchas

CreateOS Sandbox Free Tier

Last verified: 2026-09-24

Models and quotas

Model	Quota	Window	Notes
Firecracker microVM (multiple specifications available)	The official website does not disclose the free quota.	One-time allocation	The official pricing page only mentions per-second billing, but does not mention free points for new accounts.

What you get for free

Feature	Free tier	Notes
AI Agent Isolated Execution Environment	Available	Uses Firecracker micro VM to provide hardware-level isolation
vCPU hourly billing	USD US$0.0504/vCPU-hour	Charged at this rate after exceeding the free quota
RAM hour-based billing	USD US$0.0162/GiB-RAM-hour	Charged at this rate after exceeding the free quota
Egress fees	None	Data export is free
Regional support	EU, US	Supports multi-region deployment
Storage mounting	Available	Supports S3, MinIO, R2, etc.

Limits at a glance

Quota reset: No free quota; charged by the second, pay-as-you-go
Commercial use: Allowed
Conditions: Registration required; no minimum spending commitment; supports CLI, SDK, Claude plugins (official website does not mention free points for new accounts)

Watch out for this

It adopts a pure pay-as-you-go pricing model, with no free tier available for trial. The official website clearly states "No minimums or monthly commitment", but this also means that billing starts immediately, and users need to monitor their costs themselves.