Why Shorter Prompts Make GPT‑5.6 Smarter: Insights from OpenAI’s Official Guide
OpenAI’s GPT‑5.6 prompt guide shows that trimming redundant instructions and examples can boost agent scores by 10‑15%, cut token usage by up to 66%, and reduce costs, while also redefining prompt‑engineering from lengthy “recipes” to concise contracts that specify goals, boundaries, and verification steps.
