Tack “&udm=14” on to the end of a normal search, and you’ll be booted into the clean 10 blue links interface. While Google might not let you set this as a default, if you have a way to automatically edit the Google search URL, you can create your own defaults.
DDG has an experimental wikipedia “AI” that pops up near wikipedia results, but theres a button you have to click manually to generate the summary AFAIK