<h3 id="what-actually-changes">What actually changes</h3><p>You add one file and drop the step count from 20 to 8. Nothing else in your setup moves. Measured here at 960x544 and 124 frames: <strong>113 seconds becomes 53</strong>. At 4 steps it is 34 seconds, which is what I use while I am still hunting a prompt.</p><p>My rule: <strong>4 steps while you are searching, 8 for the one you keep.</strong> When you do not yet know whether a prompt works, you do not need the best version of a bad idea. You need to find out quickly that it is a bad idea.</p><div data-youtube-video><iframe width="640" height="480" allowfullscreen="true" autoplay="false" disablekbcontrols="false" enableiframeapi="false" endtime="0" ivloadpolicy="0" loop="false" modestbranding="false" origin playlist src="https://www.youtube.com/embed/5NOp6Fed5FQ" start="0"></iframe></div><h3 id="what-you-need">What you need</h3><ul><li><p><a target="_blank" rel="ugc" href="https://huggingface.co/Comfy-Org/MiniMax-H3/resolve/main/loras/minimax_h3_fl2v_turbo_8step_v1.0_comfyui_bf16.safetensors">minimax_h3_fl2v_turbo_8step_v1.0_comfyui_bf16.safetensors</a> → <code>ComfyUI/models/loras/</code> <em>(this is the one that makes it fast)</em></p></li><li><p><a target="_blank" rel="ugc" href="https://huggingface.co/Comfy-Org/MiniMax-H3/resolve/main/diffusion_models/minimax_h3_fl2va_pruned_int8_convrot.safetensors">minimax_h3_fl2va_pruned_int8_convrot.safetensors</a> → <code>ComfyUI/models/diffusion_models/</code></p></li><li><p><a target="_blank" rel="ugc" href="https://huggingface.co/Comfy-Org/MiniMax-H3/resolve/main/text_encoders/qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors">qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors</a> → <code>ComfyUI/models/text_encoders/</code></p></li><li><p><a target="_blank" rel="ugc" href="https://huggingface.co/Comfy-Org/MiniMax-H3/resolve/main/vae/minimax_h3_video_vae_fp16.safetensors">minimax_h3_video_vae_fp16.safetensors</a> → <code>ComfyUI/models/vae/</code></p></li><li><p><a target="_blank" rel="ugc" href="https://huggingface.co/Comfy-Org/MiniMax-H3/resolve/main/vae/minimax_h3_audio_vae_fp32.safetensors">minimax_h3_audio_vae_fp32.safetensors</a> → <code>ComfyUI/models/vae/</code></p></li></ul><p>The folder is the part people get wrong. A correct file in the wrong folder looks exactly like a missing model, and ComfyUI will not tell you which one it is.</p><h3 id="two-things-that-still-catch-people">Two things that still catch people</h3><ul><li><p>The type box still has to say minimax. Changing the step count does not change that, and if it is wrong nothing runs.</p></li><li><p>You need both decoders, one for the picture and one for the sound. Leaving either out fails in a way that does not obviously say so.</p></li></ul><p>I wrote up every setting, what each one does and the mistakes that cost me time, in <a target="_blank" rel="ugc" href="https://forgebun.com/go/civit_h3_turbo_ref">the full written guide</a>. Free, and there is no card.</p><p>There is also a paid course that goes further with this model if you want it. Either way the workflow here is the whole thing, not a trimmed version.</p>

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