6block/MiniMax-H3-Qwen3-VL-NVFP4

text-to-video model by 6block

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An NVFP4 (4-bit) Qwen3-VL-32B text encoder for MiniMax-H3, made with convert-to-quant. It is a drop-in replacement for the H3 conditioning text encoder (ComfyUI CLIPLoader, type minimax). The H3 video weights are unchanged — only the text encoder is quantized to 4-bit, to bring the full H3 stack onto consumer GPUs. tower (--qwenvlm filter). The middle language-layer linears go to NVFP4 (FP4 E2M1, block 16). This encoder deliberately keeps more of the network in bf16 than a minimum-size 4-bit encoder does. The --qwenvlm filter protects — at bf16 — the token embeddings, the first and last language layers, and the entire vision tower, quantizing only the middle language-layer linears to NVFP4. The result is 16.64 GiB, about 2 GiB above the most aggressively quantized community NVFP4 encoders (≈14.6 GiB, e.g. the AWQ-quantized encoder in Comfy-Org/MiniMax-H3), in exchange for leaving the precision-sensitive layers (embeddings, boundary layers, vision) untouched. It is a fidelity-first…

6block/MiniMax-H3-Qwen3-VL-NVFP4 on Hugging Face A short preview, not the full document.

Read the full model card ↗ · Preview checked 2026-10-31T14:13:21.188Z

Inside the original model card — Document outline
  1. MiniMax-H3-Qwen3-VL-NVFP4
  2. Quantization
  3. What's different
  4. Quantization fidelity (4-bit vs bf16)
  5. Verified
  6. Usage (ComfyUI)
  7. Notes
  8. Credits & license

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Documentation belongs to its respective authors. Reported project/model license: other. A listing is not a grant of reuse or training rights. Confirm the document’s own terms at the source.

Model overview

6block/MiniMax-H3-Qwen3-VL-NVFP4 is a text-to-video model repository published by 6block on Hugging Face. The source reports the minimax-h3 library.

This page summarizes Hub metadata. For intended use, training data, evaluation results and limitations, consult the original model card.

Model facts

Task
text-to-video
Library
minimax-h3
Recent downloads (30 days)
5,001
Cumulative likes
0
Hugging Face trending score
0
Reported safetensors parameters
Not reported
Architecture
Not reported
License
other
Access
Not gated by Hugging Face
Created
2026-08-18T07:40:06.000Z
Last modified
2026-08-21T02:47:50.000Z

Compatibility and lineage

Reported languages: en, zh

Reported base models: Comfy-Org/MiniMax-H3

Parameter count is not a RAM/VRAM requirement. Check precision, quantization, context length and runtime compatibility in the model card; no hardware or API-cost claim is inferred here.

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Model card and usage instructions

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Source and freshness

Source: Hugging Face Hub. Metadata observed 2026-10-27T06:48:24.124Z. Daily imports are snapshots, not real-time monitoring.

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