I built Miles, an open-source, browser-based voice AI with 5 distinct personalities.

Instant voice interruption: Cut off mid-response and it listens immediately (no lag)

Fast: Optimized for 50-token, 3-sentence replies (2–4s latency)

High accuracy: ~85% transcription accuracy with adaptive VAD

Fully customizable: Add your own personalities, tweak response styles, or integrate other AI models

No install: Runs in the browser with Web Speech API + Gemini API

Demo: miles-voice-ai.vercel.app Code: github.com/mandarwagh9/miles