Eight AI video generators ranked on the same prompts for realistic footage

Luma Labs Ray 3.2 offers 16-bit HDR output and multi-keyframe sequencing for professional post-production workflows. Google Veo 3.1 generates 4K video with native audio in clips of 4, 6, or 8 seconds, with video extension for longer sequences. Kling AI 4.0 focuses on human motion accuracy, and Runway Gen-4.5 includes built-in editing tools.