An AI-led comparison between Citigroup (C) and Wells Fargo (WFC) points to Citigroup as the more compelling choice for 2026, supported by its global reach, ongoing transformation, and greater upside potential as the banking cycle recovers. Wells Fargo’s consumer-heavy, U.S.-centric model offers stability, but Citigroup’s strength in investment banking, markets, and securities services provides stronger growth leverage.