AI Investing Platforms Compared: Fees, Features, and Performance Data for 2026.
AI investing platforms have transformed how Americans manage their portfolios, with over $127 billion now under AI management across US platforms. Betterment, Wealthfront, SoFi Automated Investing, and Schwab Intelligent Portfolios lead the market with distinct approaches to automated portfolio management.
Each platform uses different algorithms to rebalance portfolios, select ETFs, and optimize for tax efficiency. Performance data through December 2025 shows significant variation in returns, with some platforms outperforming the S&P 500 by 2.3% while others lagged by 1.8%.
Fees range from 0% to 0.50% annually, but hidden costs like expense ratios and trading fees can add another 0.10% to 0.25% to your total investment costs. 
