Journal

20 Feb 2026 · 11 min read

ai

The Voice AI Interview Playbook: Cascaded vs. Speech-to-Speech — Choosing Your Pipeline Architecture (Part 2 of 12)

Part 2 of 12 — The cascaded STT→LLM→TTS pipeline gives you control. Speech-to-speech models give you speed. Here's how to choose — and why the best systems use both.