prompt engineering

  • Framework for RAG vs Fine-Tuning in AI Models


    I built a decision framework for RAG vs Fine-Tuning after watching a client waste $20k.To optimize AI model performance, start with prompt engineering, as it is cost-effective and immediate. If a model requires access to rapidly changing or private data, Retrieval-Augmented Generation (RAG) should be employed to bridge knowledge gaps. In contrast, fine-tuning is ideal for adjusting the model's behavior, such as improving its tone, format, or adherence to complex instructions. The most efficient systems in the future will likely combine RAG for content accuracy and fine-tuning for stylistic precision, maximizing both knowledge and behavior capabilities. This matters because it helps avoid unnecessary expenses and enhances AI effectiveness by using the right approach for specific needs.

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  • Prompt Engineering for Data Quality Checks


    Data teams are increasingly leveraging prompt engineering with large language models (LLMs) to enhance data quality and validation processes. Unlike traditional rule-based systems, which often struggle with unstructured data, LLMs offer a more adaptable approach by evaluating the coherence and context of data entries. By designing prompts that mimic human reasoning, data validation can become more intelligent and capable of identifying subtler issues such as mislabeled entries and inconsistent semantics. Embedding domain knowledge into prompts further enhances their effectiveness, allowing for automated and scalable data validation pipelines that integrate seamlessly into existing workflows. This shift towards LLM-driven validation represents a significant advancement in data governance, emphasizing smarter questions over stricter rules. This matters because it transforms data validation into a more efficient and intelligent process, enhancing data reliability and reducing manual effort.

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