Complexity-aware fine-tuning (2026.findings-eacl)

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Challenge: General-purpose Large Language Models (LLMs) are often fine-tuned through supervised fine- tuning (SFT) to enhance performance in specific domains.
Approach: They propose a novel approach that uses reasoning only for complex data identified by entropy to refine large language models.
Outcome: The proposed model outperforms the standard SFT approach while using 81% less data.

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