Predicting ChatGPT’s Ability to Solve Complex Programming Challenges

Abstract

The recent emergence of Large Language Model (LLM)-based tools such as OpenAI’s ChatGPT and Google’s Gemini has sparked excitement across the software development industry, and offered promises to transform the software development process. Despite the enthusiasm, it remains uncertain whether these tools are already good enough at coding to replace the role of software developers. Currently, no studies have provided insights into the performance of LLMs, such as understanding which characteristics of a programming task might affect an LLM's performance, or predicting how an LLM will handle new programming challenges. In this work, we address these challenges by first creating a data collection framework to gather 3,323 programming tasks from Kattis, a widely-used programming challenge platform. We then use OpenAI's ChatGPT to solve these programming tasks. The solutions obtained from ChatGPT are submitted back to Kattis to evaluate their correctness and effectiveness. Next, we use the collected data, including both problem and solution information, to analyze the task characteristics that significantly influence ChatGPT's performance. Building on the analysis, we develop predictive models that can forecast the efficacy of ChatGPT on new programming problems. Our analysis indicates that factors such as the difficulty level of a programming challenge, or the readability complexity of a problem description can significantly affect the efficacy of ChatGPT. Finally, the experimental results show that our predictive model can correctly predict ChatGPT performance with an accuracy of up to 90% for easy problems, and up to 79% for difficult problems.

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