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Perplexity AI API vs SpeechText.AI API API

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

APIPerplexity AI APINEW—SpeechText.AI API APIREACHABLE—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Perplexity AI API vs SpeechText.AI API API: common questions

Which is more reliable, Perplexity AI API or SpeechText.AI API API?

On our scheduled checks, SpeechText.AI API API leads on measured uptime — Perplexity AI API at —% versus SpeechText.AI API 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 Perplexity AI API and SpeechText.AI API API need an API key?

Both ask you to authenticate — Perplexity AI API uses an API key and SpeechText.AI API API uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Perplexity AI API and SpeechText.AI API API from the browser?

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

Are Perplexity AI API and SpeechText.AI API API free for commercial use?

Perplexity AI API has unclear commercial terms, and SpeechText.AI API 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.