In my experience it is better at not sounding like an LLM wrote it, even without being directed to not sound like an LLM. It's better able to find and maintain the desired tone (playfulness, silly, professional, a mixture of, etc) with minor prompting. It also seems better at understanding your business/company and helping craft adcopy that's on-message/theme.

We used ChatGPT's Teams plan too with GPT4, but were sold on Claude almost immediately. Admittedly we have not used GPT4o recently, so we can't compare.

With technical information, Claude is vastly better at providing accurate information, even about lesser-known languages/stacks. For example, it's ability to discuss and review code written in Gleam, Svelte, TypeSpec and others is impressive. It is also, in our experience, vastly better at "guided/exploratory learning" - where you probe questions as you go down a rabbit hole.

Is it always accurate? Of course not, but we've found it to be on average better at those tasks than ChatGPT.