arcsecond.io vs DeepAI

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

Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%100%
P50 · ms587810
P95 · ms15781357
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

arcsecond.io vs DeepAI: common questions

Which is more reliable, arcsecond.io or DeepAI?

On our scheduled checks, arcsecond.io leads on measured uptime — arcsecond.io at 100% versus DeepAI at 99.02% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, arcsecond.io or DeepAI?

arcsecond.io has the lower median latency in our checks — arcsecond.io responds in 587 ms versus DeepAI at 810 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 arcsecond.io and DeepAI need an API key?

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

Can I call arcsecond.io and DeepAI from the browser?

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

Are arcsecond.io and DeepAI free for commercial use?

arcsecond.io has unclear commercial terms, and DeepAI 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.