Descriptions:
Is MiniMax H3 the king of open-source multimodal AI video? 🎬 Unlike traditional video models, MiniMax H3 generates synchronized high-fidelity audio and video simultaneously while demonstrating astonishing physical commonsense and narrative capability.
In this deep-dive tutorial, we explore all three core generation modes in ComfyUI: Text-to-Video (T2V), Image-to-Video (I2V / First-Last Frame), and Reference-to-Video (Ref2V). From Chinese calligraphy ink flows and mechanical puzzle sound effects to liquid pouring physics and motion-driven stunt references, we put the INT8 Pruned model through its ultimate paces.
🔥 What you’ll master in this tutorial:
• 🧠 The H3 Multimodal Architecture: Understanding the FL2VA & Ref2VA base models, Qwen3-VL-32B text encoder, and dual VAEs.
• 📐 The 17k+5 Frame Formula: Calculating 24FPS frame lengths correctly for smooth outputs.
• ✍️ Structured Timeline Prompting: Structuring 5-layer prompts for precise multi-shot narrative control.
• 🎙️ Native Audio & Lip-Sync: Using dialogue tags for natural multi-language lip-syncing and synced SFX.
• 🧪 Ref2Video Deep Dive: Testing Match vs. Max resolution modes, 4-column Character Sheets, multi-image asset assembly, and video motion transfer.
#runninghub #MiniMaxH3 #ComfyUI #AIVideo #MultimodalAI #NativeAudioVideo #Ref2Video #ImageToVideo #TextToVideo #Qwen3VL #AIWorkflow #AIFilmmaking #MotionTransfer #LipSyncAI #GenerativeAI #RunningHub #AITutorial
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resource
https://huggingface.co/Comfy-Org/MiniMax-H3
https://blog.comfy.org/p/minimax-h3-day-0-support-in-comfyui
online workflow
1：video_minimax_h3_t2v
https://www.runninghub.ai/post/2084204319494230018/?inviteCode=kol02-rh021
2：video_minimax_h3_i2v
https://www.runninghub.ai/post/2084453043861901313/?inviteCode=kol02-rh021
3：video_minimax_h3_r2v
https://www.runninghub.ai/post/2084488122590605313/?inviteCode=kol02-rh021
Runninghub Fan Benefit: Register to get 1,000 RHB
https://www.runninghub.ai/?utm_source=kol02-RH021
workflow and prompt engineering download：
https://github.com/amao2001/ganloss-latent-space/tree/main/workflow/2026-08-05%20minmaxH3
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