Voice AI Cost Per Minute: Realtime vs Pipeline
This story is from 2026-09-10. It is preserved in the archive; the latest stories are on the live feed.
Ten minutes of speech-to-speech conversation costs $6.90 in model tokens when prompt caching misses and $0.93 when it holds — a 7.4× spread on identical audio. Run as a cascade of Deepgram Nova-3, gpt-5.6-luna and Aura-2, the same conversation costs $0.22. Architecture sets the bill, not the rate c…
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- 2026-09-10 15:27 · DEV Community — Machine Learning
Voice AI Cost Per Minute: Realtime vs Pipeline