The Researchers at the Savvy-Lab are on top of things AI for it's client base. Here's a link to a worksheet that provides in-depth comparison of those to choose from
While Savvy has chosen to use both ChatGPT o4 mini high, for its research capabilities, and Claude Sonnet 4 as back up, this chart gives you great comments to make your choice(s) as you see your needs.AI Models Comparison Chart for SMBs (Q2 '25)(Savvy KB).