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LLM production, prompt engineering, and practical AI / ML trends. Covering GPT-4, model routing, observability, and production guardrails.

Trends, techniques, and thoughts on the evolving ML landscape, shared on LinkedIn.

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AI · MLOps · Automation

The AI didn't replace the classifier. It replaced the training backlog.

In ML teams, the hardest part isn't building the first model — it's maintaining all the small models that follow. The same classifier gets retrained, the same pipeline rerun, the same validation checks every quarter.

What disappeared first was not machine learning itself — it was the repetitive retraining layer around it. The time goes back to work that needs human judgment: framing new problems, choosing observation units, explaining trade-offs.

Result: AI didn't replace the classifier. It replaced the backlog required to keep it alive.

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LLM Engineering · Computer Vision

The prompt that classifies 500 images without training a model.

For a document-processing project, I needed to classify images into architectural plans vs. site photos.

The usual path takes weeks: collect 5000+ labeled images, train a CNN, tune hyperparameters, deploy, monitor drift.

I instead used a structured prompt and a Pydantic schema: is_plan: bool, description: str.

Each image was sent as base64, and the LLM returned validated, typed responses.

Result: The problem reached production in hours, not weeks.

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LLM Production · AI Engineering

“Just call the OpenAI API” vs what production actually looks like.

In production, the LLM is the smallest component. The rest is a wrapper for prompt management, model routing, validation, caching, and retries.

That wrapper also enforces guardrails: PII filtering, prompt injection defense, schema checks, and token budgets.

It captures observability too: prompt/response logs, latency, tokens, cost, and drift metrics.

Result: The raw API is 5% of the system; the wrapper is the other 95%.

If your LLM integration is just client.chat.completions.create(), you're in a notebook, not production.

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