
Speculative Routing: An Architecture for Voice Agents
Voice agents are easy to demo and hard to scale. The architecture we ended up with fires every possible response in parallel and lets a fast router pick the winner mid-flight. This post walks through everything we tried before it, and why this design is the one we kept. The problem nobody’s demo solves Every voice agent demo looks the same: clean audio, a cooperative user, a short scripted exchange. Then you ship it, and two things break immediately. ...

