This is a submission for the Kaggle Benchmarking Challenge What I Benchmarked Reliability under constraints: when a model must satisfy several rules at once, and the prompt is padded with distractors or conflicting notes, which rules slip? ModelBench has 16 tasks in 8 control/stress pairs across four families (constraints, structured output, distractors, compound tasks). A control is a plain task; its stress version adds extra constraints, conflicting instructions or irrele...