AI Video Generator Showdown 2025: PixVerse AI vs Runway ML vs Pika Labs
PixVerse AI released the v4.5 model in August 2025, adding more than 20 features including cinematic camera moves and multi-image fusion. Runway Gen-4 launched on March 31, 2025, delivering higher-fidelity video with temporal consistency and support for visual reference inputs. Pika Labs released version 2.2 in March 2025, enabling 1080p output up to 10 seconds and introducing the Picaframes system for smoother keyframe transitions. PixVerse’s tech stack combines Stable Diffusion for images, AnimateDiff for motion, and AudioCraft for audio, with v4.5 adding multi-image fusion. Runway Gen-4 can anchor outputs around a reference image to maintain style and character consistency across