> , so you can say things like "Grok plays as well as a 7-year-old, whereas Opus is a true frontier model and plays as well as a 9-year-old".

no, no, no.. please think. Human child psychology is not the same as an LLM engine rating. It is both inaccurate and destructive to actual understanding to say that common phrase. Asking politely - consider not saying that about LLM game ratings.