Advanced Prompt Engineering Patterns
Chain-of-thought, few-shot, and self-consistency patterns for production AI systems.
Greg Ruthenbeck
Chain of Thought
Once you're comfortable with basic prompting, these patterns unlock significantly better results for complex tasks.
Asking the model to "think step by step" isn't just a trick — it fundamentally changes how the model allocates compute to reasoning. For math, logic, and multi-step code generation, this is essential.
Few-Shot Examples
Providing 2-3 examples of input→output pairs teaches the model your expected format more reliably than verbal description alone. The examples serve as implicit constraints.
Choose examples that cover edge cases. If you only show happy-path examples, the model will struggle with error cases. Include at least one example that demonstrates how to handle unexpected input.
Choosing Good Examples
The quality of your few-shot examples matters more than quantity. Three well-chosen examples outperform ten mediocre ones. Each example should illustrate a different aspect of the task.
Self-Consistency
Generate multiple responses and take the majority answer. This works surprisingly well for factual questions and code review tasks where the model might occasionally hallucinate.
The cost of generating 3-5 responses is often worth it for high-stakes tasks like security reviews or data migration scripts.
Meta-Prompting
Use the AI to help write better prompts. Describe what you want to achieve, then ask the model to generate an optimal prompt for that task. This recursive approach often produces prompts you wouldn't have thought of yourself.
Prompt Chaining
Break complex workflows into a chain of focused prompts, where each step's output feeds into the next. This is more reliable than asking for everything in one go, and easier to debug when something goes wrong.
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