How to choose a low-latency TTS API for voice agents in 2026
Simba 3.2 reached first audio in a median of 106 ms on Coval over the 24 hours to 24 September 2026, and 123 ms on Voice Arena's US English board that day. What to measure before you pick a TTS API for a voice agent, and what cuts the wait.
SpeechifyAI team