🔍 xVerify-9B-C

xVerify is an evaluation tool fine-tuned from a pre-trained large language model, designed specifically for objective questions with a single correct answer. It accurately extracts the final answer from lengthy reasoning processes and efficiently identifies equivalence across different forms of expressions.

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✨ Key Features

📊 Broad Applicability

Suitable for various objective question evaluation scenarios including math problems, multiple-choice questions, classification tasks, and short-answer questions.

⛓️ Handles Long Reasoning Chains

Effectively processes answers with extensive reasoning steps to extract the final answer, regardless of complexity.

🌐 Multilingual Support

Primarily handles Chinese and English responses while remaining compatible with other languages.

🔄 Powerful Equivalence Judgment

• ✓ Recognizes basic transformations like letter case changes and Greek letter conversions
• ✓ Identifies equivalent mathematical expressions across formats (LaTeX, fractions, scientific notation)
• ✓ Determines semantic equivalence in natural language answers
• ✓ Matches multiple-choice responses by content rather than just option identifiers

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📚 Citation

@misc{xverify_25_github,
    author = {Ding Chen and Qingchen Yu and Bo Tang and Feiyu Xiong and Zhiyu Li},
    title = {xVerify: Efficient Answer Verifier for Large Language Model Evaluations},
    url = {https://github.com/IAAR-Shanghai/xVerify},
    year={2025}
}