The 2026 Prompt Engineering Field Manual (Free PDF)
⚡ TL;DR — Key Takeaways 40-page PDF, 12 chapters, ~30,500 words of practical prompt engineering reference for 2026 Covers the 8 core patterns, model-specific guidance for GPT-5.1, Claude Opus 4.7, and Gemini 3.1 Pro, plus evaluation, agents, and library-building Written for AI-curious professionals: PMs, analysts, marketers, founders, consultants, and engineers…
