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DeepAI vs Perplexity AI API

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

APIDeepAINEW—Perplexity AI APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

DeepAI vs Perplexity AI API: common questions

Which is more reliable, DeepAI or Perplexity AI API?

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

Both ask you to authenticate — DeepAI uses an API key and Perplexity AI 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 DeepAI and Perplexity AI API from the browser?

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

Are DeepAI and Perplexity AI API free for commercial use?

DeepAI has unclear commercial terms, and Perplexity AI 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.