Writing
Notes on building voice.
Practical writing about speech synthesis, pricing, latency, and the unglamorous parts of shipping audio in production.
Pricing
Oct 14, 2026
What speech actually costs per character
List prices for text to speech vary by 40×. Here is what is behind the number, and how to compare providers without getting fooled by credits.
Product
Oct 7, 2026
One voice, 75 languages: what actually changes
Switching locale is more than swapping a voice ID. Numbers, dates, names, and prosody all move, and a few of them break in predictable ways.
Engineering
Sep 29, 2026
Latency budgets for voice agents
Users forgive a slow page load. They do not forgive a slow reply in a conversation. Here is how to spend a 500 ms budget without wasting it on the wrong stage.