Cross-Mergeability/aim-activation-informed-merging

AIM: does activation-informed merging change what makes a merge work? Headline AIM does exactly what it claims, the targeting is what makes it work — and it changes nothing about what predicts a good merge. AIM is exactly what it says on the tin, and that is verifiable from public artefacts alone. The published with-AIM checkpoints are recovered, to R² = 0.9992, as a closed-form per-input-channel shrinkage of their baseline twins toward the base model, with ω̂ =… See the full description on the dataset page: https://huggingface.co/datasets/Cross-Mergeability/aim-activation-informed-merging.

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