production architecture APR 16, 2026
How to Cut Voice AI Costs: Lessons from 15M+ Calls on Vapi
Practical lessons on telephony billing, verification UX, and when to optimize LLM, TTS, and STT from 15M+ production calls.
P
Piotr
Engineering Insights.
Technical deep dives, architectural protocols, and engineering notes on deploying Voice AI at enterprise scale.