Claude Sonnet 4.6 Drops 5 Points, Doubao Pro Rises 7.5 Points: WDCD v3.1 Adherence Test Exposes Stability Contrast
Claude Sonnet 4.6 fell 5 points while Doubao Pro climbed 7.5 points in the latest WDCD v3.1 evaluation—the only significant shift among 11 models. The opposing movements highlight divergent constraint-holding stability under multi-round pressure.