One-page printable: the 2026 latency + price comparison of Kokoro, ElevenLabs Turbo/Flash, Cartesia Sonic and OpenAI TTS, the host-vs-rent decision, and a 12-point pre-flight before shipping a streaming voice feature.
Download free PDF
The book · Volume 7 of 7
AI for Video: A Complete Guide to Intelligence in Video Products: From Real-Time Pipelines and Agents to Serving, Cost, Compliance, and Verticals
This checklist compares Kokoro, ElevenLabs, Cartesia Sonic and OpenAI TTS on latency and price and covers the host-versus-rent decision before you ship streaming voice. Volume 7 covers voice in production: real-time pipeline latency, voice agents, serving infrastructure with vLLM, Triton and TensorRT, and cost per stream-hour. Written by Nikolay Sapunov, CEO at Fora Soft.
Choosing a streaming TTS engine for a real-time voice feature?
Tell us your latency target, languages and volume: we return an engine recommendation, the hosting choice and a cost estimate per hour of speech. 250+ video products shipped since 2005.
You get a realistic estimate, technical recommendations and next steps. Free, no obligations.
