Fine-Tuning Method Selection This is the router skill for the fine-tuning lifecycle: it decides whether fine-tuning is the right tool at all, and if so, which method and which base-model size class. Every other skill in this plugin assumes this routing already happened — start here before opening , , or . When to Use This Skill - Starting any fine-tuning effort, before a framework or base model has been chosen. - Unsure whether RAG or prompt engineering would solve the problem more cheaply than training. - Choosing between preference optimization (DPO family) and a reinforcement method (GRPO/…