The Model Is Not the Product: A Dual-Pillar Architecture for Local-First Psychological Coaching
The paper introduces Psych LM, an iOS application designed for psychological coaching using a local-first architecture. This system aims to provide persistent context and emotional support through an innovative memory corpus. The research emphasizes the importance of architectural control in achieving reliable, context-aware interactions in mobile environments.
- ▪Psych LM runs a local, on-device language model for behavioral and life-coaching applications.
- ▪The system features an automated memory corpus that converts conversations into structured memory cards.
- ▪It prioritizes privacy and architectural control over simple model size to enhance user interaction.
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Computer Science > Artificial Intelligence arXiv:2605.24411 (cs) [Submitted on 23 May 2026] Title:The Model Is Not the Product: A Dual-Pillar Architecture for Local-First Psychological Coaching Authors:Alexander Mihalcea View a PDF of the paper titled The Model Is Not the Product: A Dual-Pillar Architecture for Local-First Psychological Coaching, by Alexander Mihalcea View PDF Abstract:Existing language model applications struggle to meet the demand for emotionally oriented support, primarily due to their inability to maintain deep, persistent context across sessions. This report introduces Psych LM, an iOS application that validates the thesis that, for such applications, the surrounding architecture is paramount.
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