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Noctua vs Replicate

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

APINoctuaNEW—ReplicateNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnono
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 Replicate: common questions

Which is more reliable, Noctua or Replicate?

On our scheduled checks, Replicate leads on measured uptime — Noctua at —% versus Replicate 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 Replicate need an API key?

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

Can I call Noctua and Replicate from the browser?

Neither sends browser-friendly CORS headers reliably, so call Noctua and Replicate from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Noctua and Replicate free for commercial use?

Noctua has unclear commercial terms, and Replicate 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.