Day 01: Why model choice is rarely the first production AI problem
Why production AI succeeds or fails in the system around the model, not in the model choice alone.

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Series
A beginner-friendly foundation for understanding production AI systems. This series explains why AI is more than a model, how next-token generation works, why tokens and context windows matter, and how prompts and creativity settings become product decisions.
Why production AI succeeds or fails in the system around the model, not in the model choice alone.

The practical reason LLM behavior needs constraints, validation, and repeatable output design.

How a low-level text detail quietly becomes a product constraint for cost, latency, and reliability.

Why a larger context window does not remove the need for context discipline.

Why prompts become operational instructions once real users depend on the system.

How sampling settings shape the user experience, not just the writing style.
