Why Multimodal LLMs Are the Wrong Tool for Object Detection

Opus 4.7 vs GPT 5.4 vs YOLO — I tested multimodal LLMs on a simple car detection task. The results? Minutes of processing, missed objects, and bad localization. A purpose-built detector like YOLO does it in milliseconds… pic.twitter.com/vRJrANgtq2

— Satya Mallick (@LearnOpenCV) 19 avril 2026

Why Multimodal LLMs Are the Wrong Tool for Object Detection Opus 4.7 vs GPT 5.4 vs YOLO — I tested multimodal LLMs on a simple car detection task. The results? Minutes of processing, missed objects, and bad localization. A purpose-built detector like YOLO does it in milliseconds

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