OpenAI (STT) vs Azure Speech (STT)
OpenAI (STT) has the lower normalized list price (2.8× cheaper). 30 of 33 European languages are documented by both; 0 only by OpenAI (STT), 3 only by Azure Speech (STT).
0.006 USD/min (gpt-4o-transcribe; realtime whisper 0.017/min) · source · checked 2026-10-16
30/33 languages · Whisper language list (shown on OpenAI TTS guide)
Try OpenAI (STT) →1 USD/hr real-time standard (us-east) · source · checked 2026-10-16
33/33 languages · locale table (page covers STT+TTS tabs; not split by scraper)
Try Azure Speech (STT) →—
List prices, normalized to USD/min; see each provider page for assumptions. Language support from official docs. * = affiliate link; never affects comparisons.
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