Show HN: We compressed a 31B video+audio diffusion model to 14B, 6 steps, INT8 (github.com)

Video Rebirth has unveiled HyperFlow H3 Flash, a groundbreaking compressed version of their MiniMax-H3 model, now optimized for video and synchronized audio generation. This new model significantly reduces the parameter size from approximately 31 billion to 14 billion while maintaining the capability to generate 5.2 to 15 seconds of video at 24 fps with a stereo soundtrack. It offers multiple sampling steps—4, 6 (default), or 8—and achieves real-time performance on NVIDIA’s Blackwell GPUs, demonstrating the efficiency of its design in reducing computational demands for complex video generation tasks. The significance of HyperFlow H3 Flash for the AI/ML community lies in its ability to deliver high-quality video outputs with a dramatically smaller model footprint, making advanced generative technologies more accessible. Technical details reveal that the model operates with INT8 precision and leverages innovative sampling techniques to optimize processing speed. This advancement not only enhances the model’s versatility for various applications, such as creating videos from text prompts or combining visual content, but also supports broader deployment on consumer-grade GPUs. The model thus represents a leap forward in the practicality and scalability of AI-driven multimedia generation.