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Soniox vs OpenAI (STT)
Soniox has the lower normalized list price (3.0× cheaper). 29 of 33 European languages are documented by both; 1 only by Soniox, 1 only by OpenAI (STT).
Soniox
$0.0020 /min
0.12 USD/hr real-time (0.10/hr async) · source · checked 2026-10-16
30/33 languages · language list
Try Soniox →OpenAI (STT)
$0.0060 /min
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) →Only Soniox · 1
Only OpenAI (STT) · 1
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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