BlockBeats News, August 7th, Ethereum co-founder Vitalik Buterin announced that MiniMax H3 is the first open-source video model to surpass Tencent's HunyuanVideo 1.5. At the same time, Vitalik expressed appreciation for the latter's long-standing leading position.

MiniMax H3 is a multi-modal video generation model open-sourced in August 2026, supporting unified input of text, image, video, and audio. It can generate a 15-second 2K video with native stereo sound, ranking first in the video editing benchmark.