A vector computed as the weight difference between GRPO-trained and SFT-trained models, when added to a base model, transfers chain-of-thought reasoning improvements across benchmarks.
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Reasoning Vectors: Transferring Chain-of-Thought Capabilities via Task Arithmetic
A vector computed as the weight difference between GRPO-trained and SFT-trained models, when added to a base model, transfers chain-of-thought reasoning improvements across benchmarks.