Southbridge AI

GLM-5.2 - open weights - single-shot our AI-resistant backend take-home to a higher level than Opus 4.8, and built offmute-v2: state-of-the-art timestamp-accurate diarization. A head-to-head with no detail glossed over.

How to build reliable long-horizon AI agents that can work for hours or days without breaking. A guide to the architectural principles and practices that make agents antibrittle.