Research & Engineering

Audria Blog

Deep dives into on-device AI, iOS engineering, and the infrastructure behind voice-first personal computing.

All Posts

3 posts
16 min

How We Pick the Right Model for Every Job in Audria

Benchmarks narrowed 113 models to a shortlist, but they never picked a winner. Four steps, each born from the last one's failure, that gave every Audria workflow the model that actually fits it.

15 min

Detecting Topic Drift in Conversations

How Audria detects when a conversation shifts topics in real time — the math behind semantic drift detection, embedding-based segmentation, and why traditional approaches fail for voice-first AI.

18 min

Running AI Entirely on Your iPhone

We built a complete voice-first AI system that runs its entire pipeline locally on an iPhone — speech recognition, language model inference on the Neural Engine, constrained decoding, and a knowledge graph memory system. All in airplane mode.