shipapis
StarSubmit an APISubmit API

Nobel Prize vs xAI Grok API

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

APINobel PrizeNEW—xAI Grok APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no keyFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Nobel Prize vs xAI Grok API: common questions

Which is more reliable, Nobel Prize or xAI Grok API?

On our scheduled checks, xAI Grok API leads on measured uptime — Nobel Prize at —% versus xAI Grok 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 Nobel Prize and xAI Grok API need an API key?

Nobel Prize needs no key, while xAI Grok API requires a free API key. If you want to start calling without signup, reach for Nobel Prize first.

Can I call Nobel Prize and xAI Grok API from the browser?

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

Are Nobel Prize and xAI Grok API free for commercial use?

Nobel Prize has unclear commercial terms, and xAI Grok 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.