MiniMax H3 Model Enters LMSYS Chatbot Arena with Open-Weights Release Promised

MiniMax has launched its new H3 model (also known as Hailuo 3.0) on the LMSYS Chatbot Arena for public testing and voting. The company also announced that the model's weights will be released as open-source in the near future. The entry of H3 into the Chatbot Arena allows users to benchmark its capabilities against other leading models in a blind, crowd-sourced environment. An open-weights release of a multimodal model like H3 could significantly benefit developers and researchers looking to build custom video and multimodal applications. MiniMax H3 is a general-purpose multimodal video model capable of processing text, images, video, and audio to generate up to 15-second 2K videos with native stereo sound. While it is currently available for testing on the Arena, specific technical benchmarks and the exact release date for the open weights have not yet been disclosed.