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DeepAI vs OpenAlex

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

APIDeepAINEW—OpenAlexNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedCC0
Free tierFree tier — key may be requiredFree tier (~$1/day of usage); free API key available for more
Rate limitUnpublishedUsage-metered free tier (~$1/day per docs)
In directory since2026-07-052026-07-05
operationalpartialdownno data

DeepAI vs OpenAlex: common questions

Which is more reliable, DeepAI or OpenAlex?

On our scheduled checks, OpenAlex leads on measured uptime — DeepAI at —% versus OpenAlex 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 DeepAI and OpenAlex need an API key?

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

Can I call DeepAI and OpenAlex from the browser?

Only OpenAlex 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 DeepAI and OpenAlex free for commercial use?

DeepAI has unclear commercial terms, and OpenAlex allows commercial use on its free tier. 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.