How to choose a low-latency TTS API for voice agents in 2026
In our own round on 9 October 2026, Simba 3.2 reached first audible audio in a median of 47 ms from US East, the lowest of the 13 streaming endpoints we timed. What to measure before you pick a TTS API for a voice agent, and what cuts the wait.
SpeechifyAI team