This article is cross-posted from TechPulse. Visit the original for visual diagrams.
Introduction
In 2026, AI models have evolved dramatically. GPT-5.4 has native PC operation with 1M token context. Claude Opus 4.6 leads in coding tasks. Gemini 3.1 Pro tops abstract reasoning benchmarks.
80% of AI output quality is determined by prompt design. This guide covers practical techniques.
The 5 Core Principles
- Role - Assign expertise (e.g. "You are a senior Python engineer")
- Context - Provide background information
- Task - Give specific instructions
- Output Format - Specify JSON, table, bullets etc.
- Constraints - Set limits (word count, language, etc.)
Model Selection Guide
- Coding: Claude Opus 4.6
- Creative Writing: GPT-5.4
- Data Analysis: Gemini 3.1 Pro
- Cost-Optimized: Gemini Flash-Lite ($0.25/1M tokens)
Full guide: TechPulse
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