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OpenAI API vs TensorFeed

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

APIOpenAI APIDEAD0TensorFeedHEALTHY97
Uptime · 30d
Uptime · 90d0.0%100%
Uptime · 30d0.0%100%
P50 · ms—306
P95 · ms—752
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — no key (static JSON feed endpoints)
Rate limitRetry-After: 109s120 req/window · 119 remaining · resets 60
In directory since2026-07-052026-07-05
operationalpartialdownno data

OpenAI API vs TensorFeed: common questions

Which is more reliable, OpenAI API or TensorFeed?

On our scheduled checks, TensorFeed leads on measured uptime — OpenAI API at 0.0% versus TensorFeed at 100% 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 OpenAI API and TensorFeed need an API key?

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

Can I call OpenAI API and TensorFeed from the browser?

Yes — both OpenAI API and TensorFeed 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 OpenAI API and TensorFeed free for commercial use?

OpenAI API has unclear commercial terms, and TensorFeed 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.