On Emergent Capabilities and Model Merging

Fine-tuned checkpoints and adapters now fill public repositories, and the most common operation applied to these artifacts is model merging: arithmetic on their weights that assembles capabilities cheaply. We ask what this operation does to emergent capabilities: behaviors an artifact carries that were never an explicit training target. Studying two independent testbeds (activation oracles and…

arxiv.org ·18h ago

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18h ago ·dev.to

On Emergent Capabilities and Model Merging

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