Gemini Prompt Engineering Guide — System Instructions, Few-shot & Chain-of-Thought
Get stable output from Gemini through prompt design, using three techniques: System Instructions, Few-shot, and Chain-of-Thought. Includes a real pitfall I hit while auto-classifying images for a wallpaper app.
Gemini API Returns Markdown — How to Get Plain Text Responses
Gemini API responses often contain Markdown symbols like **, ##, and -. Learn how to get clean plain text using response_mime_type, System Instructions, and post-processing with practical Python and TypeScript code examples.
Gemini API System Instructions Not Working — 4 Common Causes and How to Fix Them
Set up System Instructions but the model keeps ignoring them? This guide covers the 4 most common reasons why system prompts fail in Gemini API — from wrong parameter placement to multi-turn drift — with working code examples.
Mastering Gemini 2.5 Pro System Instructions — Production-Grade AI Assistant Design Patterns
A deep-dive practical guide to mastering Gemini 2.5 Pro system instructions. Learn persona design, output control, safety guardrails, A/B testing, and version management with full code examples for production environments.