Ivan’s Substack
Ivan MartynovMy personal Substack
| Platform |  | Pricing | Only free issues | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 124 | Founded | 2 years ago | Last Issue | 36 hours ago |
| Active | |||||
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imartynov.substack.comLatest Issues
Prompt Engineering book, Chapter 31: The End of Prompt Engineering?
Introduction: The Absorption into Engineering
As we look toward 2027 and beyond, the term "Prompt Engineering" is beginning to disappear from the job market. This isn't because the skill has become obsolete, but because it has been...
Prompt Engineering book, Chapter 30: Why Prompts Break
Introduction: The Fragility of Language
In Part 1, we learned about the "Magic" of prompting. In Part 9, we must face the reality: prompts are the most fragile component of an AI system. Even the most carefully engineered prompt ca...
Prompt Engineering book, Chapter 29: Common Failures
Introduction: The "Problem Map" of AI
In the first eight parts of this book, we've focused on what to do right. But in 2026, many engineering teams still fail because they repeat the same "GenAI Anti-Patterns" from 2023. They treat...
Prompt Engineering book, Chapter 28: ROI of Modern Prompt Engineering
Introduction: Measuring Success in Dollars and Hours
In the early days of GenAI, "Return on Investment" (ROI) was rarely discussed. Companies were simply happy to have a chatbot that could "talk." In 2026, the honeymoon period is o...
Prompt Engineering book, Chapter 27: Business Benefits
Introduction: AI as a Value Driver
In 2026, the discussion around AI has shifted from "Can it do X?" to "What is the ROI of doing X?". For a business, AI System Engineering is not just a technical preference; it is a strategy to ma...
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