EchoMimicV3-NF4 – AI Model by siyah1 | AlphaNeural AI

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siyah1/
EchoMimicV3-NF4

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human-animation

video-generation

BadToBest/EchoMimicV3

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EchoMimicV3 — NF4 Quantized

This is a NF4 (NormalFloat4) quantized version of EchoMimicV3.

Quantization Details

Parameter	Value
Quantization Type	NF4 (NormalFloat4)
Double Quantization	Yes
Compute Dtype	float16
Library	bitsandbytes
VRAM Reduction	~65% (5 GB → ~1.7 GB)

Usage

python

from transformers import BitsAndBytesConfig
import torch

nf4_config = BitsAndBytesConfig(
    load_in_4bit=True,
    bnb_4bit_quant_type="nf4",
    bnb_4bit_use_double_quant=True,
    bnb_4bit_compute_dtype=torch.float16
)