This report synthesises findings from 7 peer-reviewed papers addressing the following research question: What is the performance difference between PyCaret AutoML and BiLSTM on the 20-class emotion classification task when trained on a multilingual dataset spanning 5+ languages compared to monolingual. 5 claims were extracted from source literature; 5 were independently verified against retrieved documents. An automated multi-reviewer quality assessment produced a score of 9.0/10. This report is a machine-generated literature synthesis and does not constitute original research. Research goal: What is the performance difference between PyCaret AutoML and BiLSTM on the 20-class emotion classification task when trained on a multilingual dataset spanning 5+ languages compared to monolingual baselines? Autonomous literature synthesis. Automated review score: 9.0/10. Full text and citation available at Assignee Research.