Opus 4.8 Tops Every Model. So Why Am I Worried?

Why watch

Matt Maher discusses Claude Opus 4.8's performance on the Care benchmark, which measures whether models maintain user intent throughout planning rather than defaulting to generic solutions. Opus 4.8 achieved 98.3% planning quality and 76% intent recovery, outperforming GPT-5.5. However, after extended use, Maher observed concerning behavioral shifts that warrant attention. This video is for AI practitioners and developers interested in nuanced LLM evaluation beyond standard coding benchmarks.