It's so not. It's a beast, an absolute beast. I think it's the router in the back end that is causing the bad reviews. Go to claude or gemini and get them to improve your prompts and put some technical but well structured language in and man, I have never seen the level of problem solving, knowledge and first-time accuracy this thing produces in any other model, including Opus 4.1 (although it's also good). 5-Thinking It is incredible.