All AI Engineering Articles by Misha Lubich

Browse 20 articles on AI engineering, machine learning, LLMs, MLOps, and modern software development. Written by Misha Lubich, AI Engineer & Technical Leader with experience at Apple, GitHub, and cutting-edge AI startups.

Is RAG Really Dead in 2026? Not So Fast

Hot takes declared RAG dead. Long-context models were supposed to replace it. But in early 2026, Cursor is shipping RAG pipelines, engineers are still optimizing chunking, and retrieval is evolving — not dying. Here's what's actually happening.

Category: AI Architecture | Reading time: 4 min | Tags: RAG, Long Context, LLM, Architecture

By Misha Lubich

Cursor Changed How I Code Forever — And I'm Not Going Back to VS Code

After 6 months of using Cursor as my primary IDE, my velocity has tripled. Here's my setup, workflows, and the features that make traditional editors feel broken.

Category: AI Products | Reading time: 2 min | Tags: Cursor, AI Coding, Developer Tools, IDE, Productivity

By Misha Lubich

Why I Stopped Using LangChain (And You Should Too)

LangChain was the jQuery of AI — necessary for a moment, then a liability. Modern AI engineering demands less abstraction, not more.

Category: AI Architecture | Reading time: 5 min | Tags: LangChain, Frameworks, Simplicity, Architecture

By Misha Lubich

o3, DeepSeek R1, and Why Reasoning Models Change Everything

OpenAI's o3 and DeepSeek's R1 proved that chain-of-thought at inference time is the next frontier. Here's what this means for how we build AI systems.

Category: AI Architecture | Reading time: 2 min | Tags: o3, DeepSeek, Reasoning, Chain of Thought, Architecture

By Misha Lubich

CrewAI and Multi-Agent Frameworks: A Production Reality Check

CrewAI, AutoGen, and LangGraph promise autonomous agent teams. I deployed all three to production. Here's the unvarnished truth about what works and what's pure marketing.

Category: AI Architecture | Reading time: 2 min | Tags: CrewAI, Multi-Agent, AutoGen, LangGraph, Production

By Misha Lubich

Agents Are All You Need: The End of Traditional Software Architecture

We're building the last generation of hand-written CRUD apps. AI agents will replace 80% of backend code within 3 years. Plan accordingly.

Category: AI Architecture | Reading time: 5 min | Tags: AI Agents, Architecture, Future, Software Engineering

By Misha Lubich

Claude Code Is the First Terminal AI That Actually Works

I've tried every AI coding CLI — Aider, Mentat, GPT-Engineer. Claude Code is the first one I trust to make changes across a real codebase without supervision.

Category: AI Products | Reading time: 2 min | Tags: Claude Code, Anthropic, Terminal, AI Coding, Developer Tools

By Misha Lubich

Prompt Engineering Is Not Engineering — It's Glorified Googling

The industry created a fake job title to make 'writing instructions for a chatbot' sound like a technical discipline. Let's stop pretending.

Category: Hot Takes | Reading time: 1 min | Tags: Prompt Engineering, Career, Hot Takes, Industry

By Misha Lubich

AI Code Generation Will Kill Junior Developer Roles by 2027

The entry-level programming job as we know it is disappearing. This is the most important conversation our industry refuses to have.

Category: Engineering Culture | Reading time: 6 min | Tags: AI Coding, Junior Developers, Career, Future of Work

By Misha Lubich

Why I Bet My Startup on Open-Source Models (And Won)

We switched from GPT-4o to fine-tuned Llama and cut our costs by 94%. Our quality scores went up. Here's the playbook.

Category: Open Source | Reading time: 2 min | Tags: Open Source, Llama, Cost Optimization, Self-Hosting

By Misha Lubich

The Great AI Hiring Scam: Why Most AI Teams Ship Nothing

Companies are spending millions on AI teams that produce impressive demos and zero production value. I've seen it from the inside.

Category: Engineering Culture | Reading time: 6 min | Tags: Hiring, AI Teams, Management, Productivity

By Misha Lubich

AI Evaluation Is the Hardest Unsolved Problem in Engineering

We've gotten incredibly good at building AI systems. We're still terrible at knowing whether they actually work. Evals are the bottleneck nobody's fixing.

Category: MLOps | Reading time: 2 min | Tags: Evaluation, Testing, Quality, MLOps, Best Practices

By Misha Lubich

Your ML Pipeline Is Technical Debt Disguised as Innovation

That fancy Kubeflow/Airflow/Prefect ML pipeline you built? It's the most expensive, fragile, and unnecessary code in your entire stack.

Category: MLOps | Reading time: 2 min | Tags: MLOps, Technical Debt, Pipelines, Infrastructure

By Misha Lubich

The MCP Protocol Will Make Every AI Framework Obsolete

Anthropic's Model Context Protocol is the USB-C of AI tooling. Once adoption hits critical mass, every custom integration layer becomes unnecessary.

Category: AI Architecture | Reading time: 2 min | Tags: MCP, Protocols, Anthropic, Standards

By Misha Lubich

Microservices Were a Mistake for ML Systems

The industry cargo-culted microservice architecture into ML platforms and created distributed systems nightmares. Monoliths are the answer.

Category: MLOps | Reading time: 2 min | Tags: Microservices, Architecture, ML Systems, Infrastructure

By Misha Lubich

The Uncomfortable Truth About AI Safety Research

Most AI safety work is performative theater designed to look responsible while not actually slowing anything down. Let's have an honest conversation.

Category: Hot Takes | Reading time: 2 min | Tags: AI Safety, Ethics, Industry, Regulation

By Misha Lubich

Stop Building AI Products Nobody Asked For

90% of 'AI-powered' startups are solutions searching for problems. The graveyard of AI products is full of technically brilliant ideas that nobody needed.

Category: AI Products | Reading time: 2 min | Tags: Product, Startups, Strategy, Market Fit

By Misha Lubich

Fine-Tuning Is the New Prompt Engineering — And You're Doing It Wrong

Every company will need fine-tuned models within 18 months. The problem is that 95% of fine-tuning efforts fail because teams treat it like training from scratch.

Category: AI Architecture | Reading time: 2 min | Tags: Fine-Tuning, LLM, Training, Best Practices

By Misha Lubich