# Articles tagged with: experiment

> Anthus builds self-aligning AI systems: custom models, agent harnesses, evaluation loops, and unattended automation with a human in the loop, grounded in production operations since 2007.

- [The Turn Detection Trap: When 100% Accuracy is Wrong](https://anth.us/articles/domain-specific-turn-detection/index.md): We fine-tuned MobileBERT for turn detection and achieved 100% accuracy. Then we realized we hadn't solved turn detection at all—we had just built a very expensive punctuation detector. (2025-11-22)