Aqa-bench: An Interactive Benchmark For Evaluating Llms' Sequential Reasoning Ability

Yang Siwei, Zhao Bingchen, Xie Cihang. Arxiv 2024

[Paper] [Code]    
Few Shot GPT Has Code Model Architecture

This paper introduces AQA-Bench, a novel benchmark to assess the sequential reasoning capabilities of large language models (LLMs) in algorithmic contexts, such as depth-first search (DFS). The key feature of our evaluation benchmark lies in its interactive evaluation protocol – for example, in DFS, the availability of each node’s connected edge is contingent upon the model’s traversal to that node, thereby necessitating the LLM’s ability to effectively remember visited nodes and strategize subsequent moves. We comprehensively build AQA-Bench with three different algorithms, namely binary search, depth-first search, and breadth-first search, and to evaluate the sequential reasoning ability of 12 different LLMs. Our investigations reveal several interesting findings: (1) Closed-source models like GPT-4 and Gemini generally show strong sequential reasoning ability, significantly outperforming open-source LLMs. (2) Naively providing interactive examples may inadvertently hurt few-shot performance. (3) A very limited number of predecessor steps following the optimal policy can substantially boost small models’ performance. (4) The scaling correlation between performance and model size is not always significant, sometimes even showcasing an inverse trend. We hope our study can catalyze future work on advancing the understanding and enhancement of LLMs’ capabilities in sequential reasoning. The code is available at https://github.com/UCSC-VLAA/AQA-Bench.

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