GPT-6 Luna (Max)

Artificial Analysis launched Decision Index v2, raising private-dataset coverage from 25% to 45% and introducing a Decision Score that rewards both correctness and calibrated confidence. Drex Max v1.1 leads narrowly at 73, just ahead of GLiDE v1.2 and Mammoth 27B, while GPT-6 Luna (Max) scores higher but costs $1,530 per 1M tasks and runs ~40x slower.