GPT Chat seems smarter for business questions or planning that does not require iteration or wrangling data sources.

But Work gives the model a computer instance it can use for programmatic data access, API munging, etc.

Success cases I’ve had: chat - read the reports in my Gmail and put a counter proposal together.

Work - cross reference all the options with commute time using traffic aware map data. Ground it on drop off / pick up times from each option’s stated rules and hours. Create a table with commute and idle time break downs.