Mastering the Art of Prompt Engineering in App Development: Robust Prompts with Reasons

Yoshiyuki Igarashi
3 min readJan 6, 2024

In the realm of app development, the emergence of Large Language Models (LLMs) like GPT-4 is a watershed moment, redefining the boundaries of user interaction and software intelligence. Yet, amidst this AI revolution, the art of crafting the right prompts stands as a cornerstone for success. Precision in prompt engineering is not just a technical necessity; it’s the linchpin that transforms AI potential into tangible, user-centric solutions.

Effective prompts ensure accuracy, relevance, and contextual alignment. This article unveils the essence of crafting stellar prompts, a skill indispensable for both seasoned and aspiring developers. In this article, we’ll explore three key tips for creating better prompts that can significantly enhance the functionality and user experience of your app.

1) Prevent Hallucination from Output

Use Case: An endpoint to capture specific features users are dissatisfied with, based on individual user reviews. The output, in JSON format, lists the features each user desires with evidence, which can be aggregated to rank desired features for your service or product.

Good Prompt: “List features this user is not satisfied with. Return NA if user review does not include any…

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Yoshiyuki Igarashi

ML Engineer — 10+ years’ experience to deliver end-to-end solutions for real business problems. https://www.linkedin.com/in/yoshiyuki-igarashi/