Our team of veterinary experts and testers evaluated the top small self-cleaning litter boxes on the market to find the best value for your money. We looked for models that combine reliable self-cleaning mechanisms, effective odor control, and easy maintenance without breaking the bank. In our evaluation, we considered factors such as build quality, noise level, waste disposal capacity, and compatibility with multiple cats. We also examined manufacturer specifications and aggregated owner feedback to ensure our recommendations reflect real-world performance. Here are our top picks for 2026.