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ISRO vs OpenAI API

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

APIISRONEW—OpenAI APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
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

ISRO vs OpenAI API: common questions

Which is more reliable, ISRO or OpenAI API?

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

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

Can I call ISRO and OpenAI API from the browser?

Yes — both ISRO and OpenAI API send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are ISRO and OpenAI API free for commercial use?

ISRO has unclear commercial terms, and OpenAI 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.