MiniMax H3 Workflows (T2V, I2V, First-Last-Frame, Ref2V, Lipsync) with SageAttention — v1.1 (faster+upgraded) — v2.1(faster+lessvram)

Use this MiniMax H3 ComfyUI workflow set for text-to-video and image-to-video, using text prompts or image inputs to produce videos; it also includes reference-to-video variants and prompt-generator files.

The download contains seven ComfyUI files: two prompt generators, three I2V workflows, and two Ref2V workflows. Variants include Larryvrh Turbo Nodes and PDD-Acc 8-Steps Turbo Nodes.

Image-to-video files include an image loader; reference-to-video files include video and audio upload controls, and the set includes a video-save node.

The description links MiniMax H3 model files, Heretic text encoder downloads in INT8 and NVFP4 variants, and a ComfyUI build from the publisher.

Named ComfyUI node packs include comfy-image-saver, comfyui-easy-use, comfyui-rmbg, comfyui-videohelpersuite, and comfyui-kjnodes.

Other named packs are comfyui_steudio, comfyui-lora-manager, comfyui-minimax-h3-turbo, comfyui-pixaroma, rgthree-comfy, and comfyui_nvidia_rtx_nodes.

Video variants list these model files: gemma4_12b_it_uncensored_heretic_int8_convrot.safetensors; minimax_h3_audio_vae_fp32.safetensors; minimax_h3_fl2va_int8_convrot.safetensors; minimax_h3_ref2va_int8_convrot.safetensors; minimax_h3_turbo_v4_step600_ema.safetensors; minimax_h3_

For the I2V option without a Turbo Nodes suffix, choose “Minimax H3 I2V.json”; the other listed I2V files name Larryvrh or PDD-Acc 8-Steps Turbo Nodes.

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Before choosing a variant, confirm you can get its exact model files; several are listed by filename without individual download links.

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