04:00
2026-09-17
machinebrief.com
artificial-intelligence
When to Call an LLM: A Confidence-Gated Hybrid for Cost-Effective Emotion Recognition in Conversational AI
A confidence-gated hybrid that escalates only the least-confident predictions from a stacked ensemble to an LLM Pareto-dominates both pure systems on all three emotion-recognition datasets tested, reaβ¦