I’ve had the Dewalt cobalt set for about 6 years now and they’ve stayed very sharp. I take good care of them and don’t abuse them like I do my cheap throwaway HF HSS or titanium sets.
https://www.amazon.com/gp/product/B015J5HU4Y/ref=ppx_yo_dt_b_search_asin_image?ie=UTF8&psc=1