How AI Calling Agents Work: STT, LLM and TTS in One Call
This story is from 2026-10-22. It is preserved in the archive; the latest stories are on the live feed.
A voice AI agent looks like one thing on the phone, but a single call is three systems passing data to each other: speech-to-text (STT), a language model (LLM) and text-to-speech (TTS). Most quality problems come from how those three are connected, not from any one of them. This post walks through…
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- 2026-10-22 12:38 · DEV Community — AI
How AI Calling Agents Work: STT, LLM and TTS in One Call