Hao AI Lab 宣布 MiniMax H3 Flex（上周由 Pika 开源）已进入 FastVideo，速度比官方开源推理代码最高快 7 倍，在单张 NVIDIA GB200 上 5.8 秒生成 5 秒 480p 视频+音频。开放权重发布在 Hugging Face（FastVideo/Pika-H3-Flex-NVFP4-QAD），并附完整训练配方、FastVideo cookbook 和博客链接。
Hao AI Lab 把 Pika H3 Flex 接入 FastVideo，给出比官方推理代码快 7 倍的实测数据和权重与训练配方入口。
(1/6) @pika_labs open-sourced @MiniMax_AI H3 Flex late last week. Today it's in FastVideo, and it's fast.
Up to 7x faster than the official open-source inference code
5 s of 480p video + audio in 5.8 s on one @NVIDIAAI GB200
Open weights + the full training recipe:
FastVideo: https://haoailab.com/FastVideo/cookbook/minimax-h3/models/pika-h3-flex-t2va/
Weights: https://huggingface.co/FastVideo/Pika-H3-Flex-NVFP4-QAD
Blog: https://haoailab.com/blogs/pika-h3-flex/
来源：Hao AI Lab · x.com