Video Rebirth cuts MiniMax-H3's transformer to 14B for six-step video
Wei Liu's Video Rebirth reports 8.7 seconds for a 5.2-second clip on four B200 GPUs, and separately attributes real-time generation to NVIDIA's SOL-H3 configuration on four B-series GPUs.
By RuntimeWire Staff · Published · Updated
Primary source: Hacker News
Why it matters
HyperFlow H3 Flash shows where open video models get useful: smaller checkpoints, fewer steps, and native audio that fits creator tools like ComfyUI. For founders building on open weights, the release also shows the trade clearly - the engineering is downloadable today, while MiniMax's territorial license limits who can legally build a business on it.
Wei Liu left Tencent in late 2024 after helping lead its Hunyuan foundation-model effort, a departure reported at the time as a bet on video-based world models. On November 6th, 2026, his Singapore startup Video Rebirth shipped the clearest version of that bet yet in open weights: HyperFlow H3 Flash, a compressed MiniMax-H3 that generates video with synchronized stereo audio in four to eight steps.…
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