Evaluation of LLMs in floating-point error classification

Discover how LLMs detect floating-point errors in C code. We analyzed 14 models across 6 categories with the InterFLOPBench benchmark. Results

miércoles, 1 de julio de 2026 • 2 min read • Q2BSTUDIO Team

Performance of AI models detecting numerical errors

In the field of software development, floating-point errors represent a persistent challenge, especially in scientific, financial, and engineering applications where numerical precision is critical. Phenomena such as catastrophic cancellation, overflow, or underflow can introduce inaccuracies that compromise results. Traditionally, detecting these errors required specialized static analysis or exhaustive testing. However, the emergence of large language models (LLMs) opens new possibilities for automating this task. Recent studies have evaluated the ability of various LLMs to classify and detect floating-point errors in source code, treating the problem as a multi-label classification challenge. The results indicate that the most advanced models achieve F1 scores above 0.88, although performance varies by error type, being more effective in explicit cases such as division by zero than in subtle phenomena such as cancellation or underflow.

This line of research has direct implications for the development of custom applications and custom software, where code quality and numerical reliability are key differentiators. At Q2BSTUDIO, as a software development and technology company, we integrate artificial intelligence for businesses into our verification and testing processes. For example, we employ AI agents capable of analyzing source code to identify numerical error patterns, complementing classic static analysis techniques. Additionally, our AWS and Azure cloud services allow us to deploy scalable analysis pipelines, while business intelligence solutions with Power BI require precise calculations to ensure report accuracy. Cybersecurity also benefits from early detection of numerical errors that could be exploited as vulnerabilities.

The incorporation of LLMs into the development cycle represents significant progress, but it does not replace the need for a rigorous approach. At Q2BSTUDIO, we combine the power of language models with traditional methodologies and process automation tools to offer robust solutions. The systematic evaluation of floating-point errors using artificial intelligence not only improves software quality but also accelerates development times by reducing manual debugging. As LLMs evolve, their ability to handle complex numerical phenomena will continue to improve, becoming an indispensable ally for any development team seeking technical excellence.

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