Every comparison article ends the same way: “it depends on your use case.” This is that sentence turned into something useful. Eight questions about how you actually work — where your files live, how long your prompts are, whether you need a source on every claim — and one recommendation at the end.
There is no best AI assistant. There is one that fits the way you work, and the honest answer usually comes down to three or four boring details rather than benchmark scores. The result tells you what you’d be giving up, too.