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Noctua vs OpenAI API

Same instrument, two spec sheets — measured, not claimed.

APINoctuaNEW—OpenAI APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Noctua vs OpenAI API: common questions

Which is more reliable, Noctua or OpenAI API?

On our scheduled checks, OpenAI API leads on measured uptime — Noctua at —% versus OpenAI API at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Noctua and OpenAI API need an API key?

Noctua needs no key, while OpenAI API requires a free API key. If you want to start calling without signup, reach for Noctua first.

Can I call Noctua and OpenAI API from the browser?

Only OpenAI API is browser-friendly — it returns CORS headers over HTTPS. Noctua needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Noctua and OpenAI API free for commercial use?

Noctua has unclear commercial terms, and OpenAI API has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.