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residuals/
qwen3-4b-2507

Name: qwen3-4b-2507
Availability: InStock

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Instruction Residuals

This repository contains instruction residuals (delta weights) computed as the parameter-wise difference between Qwen/Qwen3-4B-Instruct-2507 and Qwen/Qwen3-4B-Base.

Apply these residuals to the base model to reconstruct the instruction-tuned weights without retraining.

Usage

python

from transformers import AutoModelForCausalLM, AutoTokenizer
from residuals import Residuals

base = AutoModelForCausalLM.from_pretrained("Qwen/Qwen3-4B-Base")
tok = AutoTokenizer.from_pretrained("Qwen/Qwen3-4B-Base")

res = Residuals.from_pretrained("residuals/qwen3-4b-2507")
res.apply(base, base_tokenizer=tok)

Provenance

Created at: 2025-10-25T18:02:42.822104+00:00
DType: float32
Parameters: 399
Shapes hash: ee08c1f325c6879a7004812a813072c94df72efa6328aa829064c775ce398e40
Names hash: c7ea601f93da30767936050c6d439b2eb034eafb07ad70f7d1dd29a41dfc0ba0
Base model: Qwen/Qwen3-4B-Base
Instruction model: Qwen/Qwen3-4B-Instruct-2507

Files

model.safetensors: Serialized residual tensors (safetensors format).
(optional) model.safetensors.index.json + shard files model-00001-of-000N.safetensors, ... for multi-part weights.
config.json: Residuals metadata and provenance.
tokenizer files: Saved tokenizer for compatibility.

About this format

These are additive residuals (task vectors). Applying them to the base model's parameters reconstructs the instruction-tuned model.

Tools

Generated with the residuals Python package. Install via: pip install residuals.

PyPI: https://pypi.org/project/residuals/
Source: https://github.com/omarish/residuals