<ul data-eligibleForWebStory="true">Antibody-facilitated immune responses are crucial for defense against pathogens and viruses.Bioengineering advancements have accelerated therapeutic antibody development.AI and machine learning have revolutionized affinity prediction for antibodies.A new model, LlamaAffinity, integrates antibody sequences with Llama 3 backbone architecture.The model outperforms existing methods like AntiFormer and AntiBERTa in affinity prediction.LlamaAffinity achieved high accuracy, F1-score, precision, recall, and AUC-ROC values.It demonstrated computational efficiency with significantly lower training time compared to previous studies.