Evaluation of Large Language Models for Anomaly Detection in Autonomous Vehicles

• URL: http://arxiv.org/abs/2509.05315v1
• Date: Fri, 29 Aug 2025 13:05:13 GMT
• Title: Evaluation of Large Language Models for Anomaly Detection in Autonomous Vehicles
• Authors: Petros Loukas, David Bassir, Savvas Chatzichristofis, Angelos Amanatiadis,
• Abstract summary: This work evaluates large language models (LLMs) on real-world edge cases where current autonomous vehicles have been proven to fail.<n>The proposed architecture consists of an open vocabulary object detector coupled with prompt engineering and large language model contextual reasoning.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The rapid evolution of large language models (LLMs) has pushed their boundaries to many applications in various domains. Recently, the research community has started to evaluate their potential adoption in autonomous vehicles and especially as complementary modules in the perception and planning software stacks. However, their evaluation is limited in synthetic datasets or manually driving datasets without the ground truth knowledge and more precisely, how the current perception and planning algorithms would perform in the cases under evaluation. For this reason, this work evaluates LLMs on real-world edge cases where current autonomous vehicles have been proven to fail. The proposed architecture consists of an open vocabulary object detector coupled with prompt engineering and large language model contextual reasoning. We evaluate several state-of-the-art models against real edge cases and provide qualitative comparison results along with a discussion on the findings for the potential application of LLMs as anomaly detectors in autonomous vehicles.

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