Vercel Sandbox vs Cloudflare Sandboxes

Side by side, from each vendor's own pages. No winner is declared; pick by what matters to you.

	Vercel Sandbox	Cloudflare Sandboxes
Type	managed	managed
Isolation	Firecracker microVM	Containers: microVM with own kernel; or Dynamic Workers (JS/Python/Wasm isolates)
Self-hostable	Unknown	Unknown
GPU	Unknown	Unknown
Free tier	Hobby: 5 active-CPU h/mo, 420 GB-h memory, 10 concurrent	No - requires Workers Paid plan
Pricing	Pro $0.128/active CPU-h, $0.0212/GB-h memory (iad1)	Unknown
Max session	Hobby 45 min, Pro 24h per session	Unknown
Notes	Bills active CPU only, not wait time.	Container scheduling policy in public beta.

Sources: see each service page.