This AI Video Model Actually Preserves Performance (Luma Ray 3 Modify Demo)

This demo is a hands-on test of Luma AI’s Ray 3 Modify, focused on how the model handles existing video footage. I walk through several examples: 1. Modifying a video while preserving the original performance 2. Using character reference to replace subjects without changing motion 3. Testing consistency across shots by changing an environment in an ad 0:00 Why most AI video looks bad — and why Ray 3 is different 0:19 Performance preservation + character reference (Hulk demo) 1:26 Recasting famous scenes with character reference 1:57 Consistency across shots (Tesla ad environment change)