Noctua vs Not Human Search
Same instrument, two spec sheets — measured, not claimed.
Noctua vs Not Human Search: common questions
Which is more reliable, Noctua or Not Human Search?
Both are neck-and-neck — Noctua and Not Human Search each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, Noctua or Not Human Search?
Not Human Search has the lower median latency in our checks — Noctua responds in 742 ms versus Not Human Search at 239 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do Noctua and Not Human Search need an API key?
Neither needs a paid key — Noctua is callable with no signup, and Not Human Search is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Noctua and Not Human Search from the browser?
Only Not Human Search 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 Not Human Search free for commercial use?
Noctua has unclear commercial terms, and Not Human Search 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.