AI VTuber tools empower virtual YouTubers by automating aspects of their performance. This can include using AI for real-time face and body tracking to control a 2D or 3D avatar, eliminating the need for expensive motion capture hardware. Advanced tools can even generate interactive, AI-driven VTuber personalities that can engage with a live audience autonomously. By integrating with LLMs, these AI VTubers can understand chat messages and respond intelligently, creating a novel form of interactive entertainment where the line between performer and technology blurs, offering new possibilities for content creation.