Building with LLMs for fun is different from using them in production, with a wider gap than expected.Initial excitement with LLMs made users feel like having superpowers, but challenges arose in real-world applications.Inconsistencies in output, including correct vs. incorrect answers, pose a significant challenge in using LLMs reliably.Errors in LLM outputs may not always be obvious, requiring additional testing, monitoring, and logic.Cost implications of running LLMs in production can escalate rapidly, necessitating careful usage to avoid unexpected expenses.Users need to treat LLMs differently from traditional code, employing testing variations, fallback flows, and output verification.Caching results for tasks that don't change often can help reduce costs associated with repeated LLM calls.Human oversight remains crucial for high-stakes tasks to ensure quality and user trust in LLM-generated content.Working with LLMs can be emotionally challenging, balancing excitement with frustration and the need for adaptability.Key recommendations for working with LLMs include starting small, planning for inconsistency, monitoring outputs, and staying adaptable.