ChineseErrorCorrector3-4B: State-of-the-Art Chinese Spelling and Grammar Corrector

Wei Tian; YuhaoZhou

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arXiv · 2511.17562

ChineseErrorCorrector3-4B: State-of-the-Art Chinese Spelling and Grammar Corrector

Wei Tian·YuhaoZhou

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Abstract

This paper introduces ChineseErrorCorrector3-4B, a unified model for Chinese spelling and grammatical error correction based on Qwen3-4B. The model demonstrates outstanding performance in general text correction tasks and achieves state-of-the-art results in both spelling correction (CSC) and grammatical correction (CGC). On several authoritative benchmark datasets -- including SIGHAN-2015, EC-LAW, MCSC, and NaCGEC -- the model's F1 and F0.5 scores significantly surpass existing publicly available models, ranking first in both spelling and grammatical error correction tasks.

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Wei Tian, YuhaoZhou. 2025-11-13. ChineseErrorCorrector3-4B: State-of-the-Art Chinese Spelling and Grammar Corrector. https://arxiv.org/abs/2511.17562

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