MiniMax opens H3 weights as first open model to lead AI video rankings

MiniMax released open weights for its 33-billion-parameter H3 model, which Artificial Analysis ranks first in Video Editing and second in Text-to-Video. The Decoder reports it as the first open-weight model to top an AI video ranking, giving builders a locally tunable multimodal video stack without closed-vendor lock-in.
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Original reporting: China's MiniMax H3 is the first open model to top an AI video ranking