WDCD Run #120: Average Instruction Decay Hits 35.2% Across 11 Models, GPT-5.5 Leads at -13%
WDCD Run #120 (2026-05-17) measured multi-turn commitment across 11 frontier models, recording an average instruction decay of 35.2% from Round 1 to Round 3. GPT-5.5 led the ranking at 71.7 points with only 13% decay.