Skip to main content

Model Merger - API Specification

Version: v1.0.0 | Status: Active | Last Updated: March 2026

1. Overview​

The model_merger module provides model merging techniques including SLERP (Spherical Linear Interpolation), linear interpolation, and model soups for combining multiple trained models.

2. Core Components​

2.1 Classes​

ClassDescription
ModelMergerOrchestrates merging of multiple model weight dictionaries

2.2 Functions​

FunctionSignatureDescription
slerp(a, b, t) -> ndarraySpherical linear interpolation between weight tensors
linear_interpolate(a, b, alpha) -> ndarrayLinear interpolation between weight tensors
model_soup(models, weights) -> dictWeighted average of multiple model weight dictionaries

3. Usage Example​

from codomyrmex.model_merger import model_soup, slerp
import numpy as np

model_a = {"layer.weight": np.random.randn(64, 64)}
model_b = {"layer.weight": np.random.randn(64, 64)}

merged = model_soup([model_a, model_b], weights=[0.6, 0.4])

4. Navigation​