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Large Language ModelsOpen-Source AIr/MachineLearningPublished: Sep 18, 2026, 04:00 JST

LARA library makes frozen LLMs modular with swappable behaviors

LARA library makes frozen LLMs modular with swappable behaviors

A developer released LARA (Lightweight Additive Residual Adaptation), a PyTorch library that trains low-rank residual adapters at selected layers of a frozen language model. A Mixture of Behaviors demo lets a soft router pick or combine coding, maths, medical and summarization behaviors per token.

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