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OpenAI API vs TLE

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

APIOpenAI APIDEAD0TLEHEALTHY79
Uptime · 30d
Uptime · 90d0.0%83.9%
Uptime · 30d0.0%80.0%
P50 · ms—763
P95 · ms—2424
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitRetry-After: 109sRetry-After: 14400s
In directory since2026-07-052026-07-05
operationalpartialdownno data

OpenAI API vs TLE: common questions

Which is more reliable, OpenAI API or TLE?

On our scheduled checks, TLE leads on measured uptime — OpenAI API at 0.0% versus TLE at 83.9% 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 TLE need an API key?

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

Can I call OpenAI API and TLE from the browser?

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

Are OpenAI API and TLE free for commercial use?

OpenAI API has unclear commercial terms, and TLE 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.