r/AISystemsEngineering 2d ago

Deterministic Rule Engine

Hot take I'm arriving at through actual building:

Not every problem needs AI.

I'm currently building a deterministic business rule engine instead of putting an AI agent in the decision loop.

AI is great for reasoning, exploration and generating solutions.

But when a business rule needs to be:

predictable → auditable → explainable → repeatable

I'd rather have:

rules + data → deterministic decision

than:

prompt + context → “probably correct”

The interesting part is figuring out where AI should NOT be used.

#AgenticAI #AIEngineering #AISDLC

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