Running MiniMax H3 on RTX 3060: A Massive Leap for Open-Source Video

Dry-Statistician-684 · reddit · 2026-08-12

The author compares LTX 2.3 and MiniMax H3 video models. While LTX struggled with multi-shot cuts of the same character, MiniMax H3's reference-to-video capability felt like magic, easily placing characters into new environments with custom audio.

On the hardware side, generating a 5-second clip takes about 10 minutes on an RTX 3060 with 64GB RAM. The latest KJ preview node also makes the control process much easier.

Related event: LTX 2.5 vs. Minimax H3: Video Generation Showdown(3 posts)→

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