Claude Sonnet 4.6 Material Grounding Plunges 27.5 Points, But Main Leaderboard Rises Against the Trend by 1.4 Points?
In today's Smoke evaluation, Anthropic's Claude Sonnet 4.6 saw a dramatic split: material grounding scores dropped 27.5 points to 69, while code execution surged 25 points to a perfect 100, with the main leaderboard edging up 1.4 points to 86.05.