AI engineer doing mostly data stuff Host of How AI Is Built https://open.spotify.com/show/3hhSTyHSgKPVC4sw3H0NUc?si=ab2e89923a1b4c0e
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The more specific your task and the more it diverges from being a general purpose chatbot, the more likely you are to get good results from finetuning vs prompting alone. With the caveat, if large models completely fail, even a finetuned model will likely fail.
For low-resource languages, finetuning a model to generate outputs in that language may be challenging due to lack of data. But finetuning to understand the language while outputting English is more feasible.
When building LLM apps, default to prompts! Only finetune if absolutely needed for quality, speed or cost. Iterate fast with prompts + few-shot/RAG before investing in finetuning.
Finetuning 101: First, write an excellent prompt to establish a baseline & prove your task is possible. A great prompt is a strong predictor that finetuning will improve results further.