ZiGong 1.0: A Large Language Model for Financial Credit

• URL: http://arxiv.org/abs/2502.16159v1
• Date: Sat, 22 Feb 2025 09:27:56 GMT
• Title: ZiGong 1.0: A Large Language Model for Financial Credit
• Authors: Yu Lei, Zixuan Wang, Chu Liu, Tongyao Wang,
• Abstract summary: Large Language Models (LLMs) have demonstrated strong performance across various general Natural Language Processing (NLP) tasks.<n>However, their effectiveness in financial credit assessment applications remains suboptimal.<n>We propose ZiGong, a Mistral-based model enhanced through multi-task supervised fine-tuning.
• Score: 8.49779245416985
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Large Language Models (LLMs) have demonstrated strong performance across various general Natural Language Processing (NLP) tasks. However, their effectiveness in financial credit assessment applications remains suboptimal, primarily due to the specialized financial expertise required for these tasks. To address this limitation, we propose ZiGong, a Mistral-based model enhanced through multi-task supervised fine-tuning. To specifically combat model hallucination in financial contexts, we introduce a novel data pruning methodology. Our approach utilizes a proxy model to score training samples, subsequently combining filtered data with original datasets for model training. This data refinement strategy effectively reduces hallucinations in LLMs while maintaining reliability in downstream financial applications. Experimental results show our method significantly enhances model robustness and prediction accuracy in real-world financial scenarios.

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