I'm still using ChatGPT heavily for a lot of my day-to-day, across multiple projects and random real life tasks. I'm interested in giving Claude and Gemini a go

I'm still using ChatGPT heavily for a lot of my day-to-day, across multiple projects and random real life tasks. I'm interested in giving Claude and Gemini a good at some point; where is Gemini's tooling lacking, generally?