Mia & Leo: Production Duplex Speech AI for Revenue Calls Handles Interruptions and Overlapping Speech
vatsalaggarwal · hn · 2026-07-24
The team introduces Mia & Leo, AI personalities backed by purpose-built duplex speech models for revenue calls. Traditional voice systems sequentially listen, stop, think, and speak, causing over 40% of callers to hang up within 30 seconds. Mia & Leo keep listening while speaking, handling interruptions, overlapping speech, corrections, and background noise. Developers get control over agent behavior, call visibility, debugging, and scalable costs.
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