ChipBench: A Next-Step Benchmark for Evaluating LLM Performance in AI-Aided Chip Design

• URL: http://arxiv.org/abs/2601.21448v2
• Date: Sun, 01 Feb 2026 00:41:29 GMT
• Title: ChipBench: A Next-Step Benchmark for Evaluating LLM Performance in AI-Aided Chip Design
• Authors: Zhongkai Yu, Chenyang Zhou, Yichen Lin, Hejia Zhang, Haotian Ye, Junxia Cui, Zaifeng Pan, Jishen Zhao, Yufei Ding,
• Abstract summary: Large Language Models (LLMs) show significant potential in hardware engineering.<n>Current benchmarks suffer from saturation and limited task diversity.<n>We propose a comprehensive benchmark for AI-aided chip design.
• Score: 15.71144418188142
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: While Large Language Models (LLMs) show significant potential in hardware engineering, current benchmarks suffer from saturation and limited task diversity, failing to reflect LLMs' performance in real industrial workflows. To address this gap, we propose a comprehensive benchmark for AI-aided chip design that rigorously evaluates LLMs across three critical tasks: Verilog generation, debugging, and reference model generation. Our benchmark features 44 realistic modules with complex hierarchical structures, 89 systematic debugging cases, and 132 reference model samples across Python, SystemC, and CXXRTL. Evaluation results reveal substantial performance gaps, with state-of-the-art Claude-4.5-opus achieving only 30.74\% on Verilog generation and 13.33\% on Python reference model generation, demonstrating significant challenges compared to existing saturated benchmarks where SOTA models achieve over 95\% pass rates. Additionally, to help enhance LLM reference model generation, we provide an automated toolbox for high-quality training data generation, facilitating future research in this underexplored domain. Our code is available at https://github.com/zhongkaiyu/ChipBench.git.

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