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Summary

This repo contains merged model weights created by applying task arithmetic to three upstream checkpoints:

[ \text{Merged} = \text{ATI} + \lambda \cdot (\text{AniSora} - \text{Wan2.1-Base}) ]

The merge used (\lambda = 1.0) in the source script.

Files in this folder

Diffusion weights (sharded): diffusion_pytorch_model-00001-of-00007.safetensors … diffusion_pytorch_model-00007-of-00007.safetensors
Index: diffusion_pytorch_model.safetensors.index.json
Model config: config.json
Aux weights / tokenizers:
- Wan2.1_VAE.pth
- models_t5_umt5-xxl-enc-bf16.pth
- models_clip_open-clip-xlm-roberta-large-vit-huge-14.pth
- tokenizers under google/umt5-xxl/ and xlm-roberta-large/

Upstream sources (reference)

Wan2.1 base: Wan-AI/Wan2.1-I2V-14B-480P
ATI: bytedance-research/ATI
AniSora V3.1: IndexTeam/Index-anisora (folder V3.1)

How the merge was produced (reference)

In this workspace, the merge code lives at:

Index-anisora/anisoraV3/Merge-ATI-AniSora/merge_models.py
It merges per key using safetensors and outputs to this Merged-Model/ directory.

Important behavior: the script only applies arithmetic when a key exists in both Base and AniSora; otherwise it keeps the ATI tensor for that key.

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