Claude and Llama represent two different philosophies. Claude is a commercial AI optimized for careful reasoning, precise instruction following, and safety. Llama is an open-source model that gives you full control — run it locally, fine-tune it on your data, and deploy it however you want with no per-token costs.
These different architectures mean different prompting strategies work best for each. Claude excels with XML-tagged structured prompts and explicit constraints. Llama works best with clear, direct instructions and benefits from few-shot examples. Here's the full breakdown.