Based on the information from the search results, the best robot vacuums for long hair in 2024 are those with excellent suction power and tangle-free brush rolls, or in some cases, no brush roll at all, to prevent strands from clogging the robot and affecting its ability to pick up hair, dirt, and other debris. Here are some notable options based on the insights from the search results:

Roborock S7: This robot vacuum is highlighted for its soft silicone roller with pleats, which prevents long hair from getting caught, making it an effective choice for dealing with long human hair. It is also noted for its hardfloor performance and is preferred by users with long hair and extensions.
Roomba E5: The Roomba E5 is recognized as a first-rate robot vacuum for long hair. It offers powerful suction and is suitable for hardwood and laminate floors, making it a practical choice for users dealing with long hair strands.
Coredy 750: This robot vacuum is mentioned as a budget-friendly option that is effective for hardwood and laminate floors. While not as powerful as some high-end models, it is noted to be sufficient for cleaning long hair and maintaining clean floors.
iLife V3S and Eufy RoboVac 30: These budget-friendly robot vacuums are highlighted as suitable options for hardwood and laminate floors. While not as powerful as some premium models, they are noted to be effective for managing long hair and maintaining clean floors.