What are the best prompt engineering techniques?
Core techniques that consistently work: (1) Role + objective + constraints to reduce ambiguity; (2) Few-shot examples to anchor style and format; (3) Chain-of-thought or stepwise checklists to tackle reasoning; (4) Self-critique/reflection passes to catch errors; (5) Tool-using prompts (when available) to ground answers in retrieval or calculators; (6) Guardrail snippets that define out-of-scope behavior. The best technique is the one that fits your task and cost budget. For simple classification, a short deterministic prompt is ideal. For complex decisions, staged prompting with verification saves time later.
In practice
Turn reasoning into a checklist the model follows. Then ask it to verify each step against the checklist before finalizing.
Where to start
- [01]Pick one business task and implement three techniques; compare results.
- [02]Convert your chain-of-thought into a compact checklist for production.
- [03]Create a self-critique rubric tailored to your domain.
- [04]Document which techniques map best to which task types.