On-device AI, privacy by architecture, and the craft of the 50-minute hour.
Long-form pieces from the team. Posted when there's something worth saying. No newsletter cadence, no “5 reasons therapists love AI” listicles.
- § 01May 8, 2026
Offline therapy notes — how on-device transcription actually works
Offline transcription stopped being a fantasy in 2024. A clinician's walk-through of what runs on the iPhone, why the audio doesn't have to leave it, and how to verify a vendor's claim with a thirty-second test.
§ Offline7 min read → - § 02May 8, 2026
AI medical scribe for therapists — what's actually different
AI medical scribes were built for primary care. Therapy is a different problem. A practical guide to what changes when the encounter is 50 minutes of talk, two voices, and content that should not leave the room.
§ The category8 min read → - § 03May 6, 2026
Why we built Bryl
The 50-minute hour, the laptop on the kitchen table at 9 PM, and the simple thesis that the safest place for a therapy session is the iPhone in your pocket.
§ The thesis6 min read → - § 04May 4, 2026
Bryl vs Mentalyc vs Upheal — a privacy comparison
Three AI scribes built for therapy. One on-device, two in the cloud. A side-by-side on data residency, BAA structure, what gets uploaded, and who can read your sessions if subpoenaed.
§ Comparison9 min read → - § 05April 22, 2026
What 'on-device AI' actually means for therapy notes
A clinician's guide to the technical anatomy of an on-device scribe — Apple Foundation Models, Parakeet TDT v3, the Secure Enclave, and what 'verifiable' looks like with a packet inspector.
§ Technical8 min read → - § 06April 22, 2026
Three architectures for therapy AI scribes
Cloud-only, hybrid, and on-device. A taxonomy with examples from the field — Mentalyc, Upheal, Heidi, Blueprint, Bryl — and why the choice between them is a privacy decision more than a feature decision.
§ Architecture8 min read → - § 07April 8, 2026
Privacy by architecture vs HIPAA — the difference
HIPAA-compliant is a property of how a vendor handles your patients' data. Architectural privacy is the property of not having it. The two are not equivalent. Here's why it matters for your practice.
§ Compliance7 min read →