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MiniMax H3 is licensed by MiniMax under the MiniMax H3 Community License Agreement. That agreement’s Applicable Territory excludes the European Union, the United Kingdom, the Republic of Korea and the United States of America. Your use of H3 and of any H3 derivative is subject to that agreement and its Acceptable Use Policy.
MiniMax H3
📦 Dialogue Tools - Scene Builder + Dialogue Timer in one download
Two small ComfyUI nodes for talking-video workflows. One install. Use either, or both together.
No requirements. None.
No models. No LoRAs. No extra Python packages. These are not workflows you have to go hunting files for. They are small text tools that drop into your workflow, whatever model you use. The demo uses only built-in ComfyUI nodes and opens without a single red box.
🎬 Scene Builder
Say what each picture is once, then for every scene just list what happens, one thing per line. It writes the full reference-to-video prompt in the structure the model needs:
senses which picture and voice slots are switched on and renumbers every
<Picture N>correctlygroups pictures of the same subject - the woman, the woman side shot, the woman on a bicycle
writes dialogue so lips actually move - named speaker, "says once", tied to the right voice
keeps spoken lines back to back so nobody mumbles in the gap
gives the model real room sounds instead of silence it fills with gibberish
never rewrites your words, and has an ON / OFF switch so it never locks your workflow
⏱ Dialogue Timer
Counts only the spoken words in the prompt and sets the clip length to fit. Too long and the model mumbles to fill the silence; too short and lines get cut off. Reads MiniMax H3 <d> speech tags, "quotes", or plain "she says..." sentences.
Together
Connect the Scene Builder's prompt to the timer's prompt, and its action_seconds to the timer's breathing_room. Write the scene - the prompt and the clip length sort themselves out.
Install
Download the zip and unzip it
Put the ComfyUI-DialogueTools folder into ComfyUI/custom_nodes/
Restart ComfyUI
Already have my standalone Dialogue Timer? No problem - it is the same node. You can delete the standalone folder.
Both nodes are also available as separate downloads on my profile if you only want one. Full guides are in the zip. MIT licence, do what you like with it.