Personal AI Video Avatar Creation

I want a photorealistic AI avatar of myself that I can drop straight into short-form videos. The goal is to record once, train the model, and then generate professional-sounding clips I can schedule on Instagram, LinkedIn, and TikTok without stepping in front of the camera every time... (Budget: $3000 - $5000 USD, Jobs: After Effects, AI Chatbot Development, AI Content Creation, AI Model Development, AI Video, Animation, Video Editing, Video Services)