Today’s AI sex dolls have made significant strides in realism, offering remarkably lifelike appearances and responsive behaviors. Modern dolls feature high-grade silicone or other skin-like materials that replicate the texture and feel of human skin, complete with realistic features such as movable joints, expressive facial features, and detailed anatomical structures. Advances in robotics allow these dolls to perform natural movements, from subtle gestures to more complex postures. Their faces often include realistic eyes with blinking capabilities and facial expressions that can change based on interactions. Inside, sensors and motors enable the dolls to respond to touch, voice commands, and other stimuli, creating the illusion of consciousness and responsiveness. AI systems integrated into these dolls enable conversational abilities, allowing them to engage in basic dialogues and recognize user preferences over time. Despite these advancements, there are still limitations in fully capturing the depth of human realism. Some aspects, such as spontaneous emotional reactions and nuanced expressions, are still in developmental stages. However, ongoing innovations suggest that the gap between virtual and real will continue to narrow, making AI sex dolls increasingly convincing in both appearance and interaction.