I was sitting in an airplane next to a guy on a MacBook pro something who was coding in cursor with a local llm. We got talking and he said there are obviously differences but for his style of 'English coding' (he described basically what code to write/files to change but in english, but more sloppy than code obviously otherwise he would just code) it works really well. And indeed that's what he could demo. The model (which was the OSS gpt i believe) did pretty well in his nextjs project and fast too.