--- title: Open Model Training Lab emoji: 🧪 colorFrom: blue colorTo: yellow sdk: static app_file: index.html pinned: false license: mit datasets: - PolyAI/banking77 models: - Qwen/Qwen3-1.7B-MLX-bf16 - google-bert/bert-large-cased - microsoft/deberta-v3-large tags: - apple-silicon - fine-tuning - mlx - pytorch - education --- # Open Model Training Lab An interactive, beginner-friendly account of training Qwen3, BERT-Large and DeBERTa-v3-large for BANKING77 intent classification on an Apple M2 Max. The guide covers fifteen controlled experiments, including numerical failures, rejected refinements, data-leakage protections, a searchable glossary, quiz and interview practice. **Best recorded result:** 92.99% validation accuracy and 94.12% reporting-only test accuracy with a DeBERTa upper-layer refinement. Source and reproduction instructions: [msulemans/open-model-training-lab](https://github.com/msulemans/open-model-training-lab) This is educational software, not a production banking classifier.