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New CHIMERA dataset boosts LLM reasoning across scientific domains

Researchers have developed CHIMERA, a synthetic dataset of 9,000 samples designed to enhance the reasoning capabilities of large language models (LLMs) across various scientific domains. This dataset addresses challenges in LLM training by providing synthesized, long Chain-of-Thought trajectories, broad domain coverage beyond mathematics, and an automated evaluation pipeline that removes the need for human annotation. A Qwen3 model fine-tuned with CHIMERA demonstrated competitive performance on benchmarks like GPQA-Diamond and AIME, rivaling larger models. AI

IMPACT This synthetic dataset could accelerate LLM development by providing a scalable and diverse training resource for reasoning tasks.

RANK_REASON The cluster describes a new research paper introducing a synthetic dataset for LLM reasoning. [lever_c_demoted from research: ic=1 ai=1.0]

Read on arXiv cs.AI →

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New CHIMERA dataset boosts LLM reasoning across scientific domains

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The cluster describes a new research paper introducing a synthetic dataset for LLM reasoning. [lever_c_demoted from research: ic=1 ai=1.0]
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COVERAGE [1]

  1. arXiv cs.AI TIER_1 English(EN) · Xinyu Zhu, Yihao Feng, Yanchao Sun, Xianzhi Du, Pingzhi Li, Olli Saarikivi, Yun Zhu, Yu Meng ·

    CHIMERA: Compact Synthetic Data for Generalizable LLM Reasoning

    arXiv:2603.00889v2 Announce Type: replace-cross Abstract: Large Language Models (LLMs) have exhibited remarkable reasoning capabilities, largely enabled by supervised fine-tuning (SFT)- and reinforcement learning (RL)-based post-training on high-quality reasoning data. However, r…