MiniMax H3 already handles 15-second clips, but one RTX 5090 run took over 6 minutes
Careless-Constant-33 · reddit · 2026-08-04
A Reddit test of MiniMax H3 says the default workflow is already strong, but generation is slow even on high-end hardware.
- The author used ChatGPT to help write the prompt for image-to-video.
- MiniMax H3 already handles 15-second clips well, according to the post.
- On an RTX 5090 with Sage Attention, generating a 15-second clip at 0.9 ratio reportedly took more than 6 minutes.
Related event: MiniMax H3 Local Tests: Benchmark Results and Comparisons Across GPUs(88 posts)→
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