JOURNAL
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AUTOMATIONOR ARTIFICIALINTELLIGENCE
It isn’t a contest between two technologies. It’s a question about one step.
THE ANSWER
The difference between automation and artificial intelligence in a company is who wrote the rule. Automation runs rules a person wrote. Same input, same output, every time. A model infers a likely answer from examples it has seen. Two similar cases can come back differently. You check the first by reading it, the second only by measuring it.

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IN SHORT
If the rule can be written down, it’s automation.
Free text is where a model earns its place.
A model ships only with a human check.
THE DISTINCTION
AUTOMATION AND AI, IN ONE LINE
An automation is a rule somebody wrote and a machine repeats. A form arrives, it creates the record, sends the email, updates the row. Same input, same output, a year from now. A model doesn’t repeat a rule: it infers one from thousands of examples. Ask what an email is about and it answers with the likeliest thing. It’s usually right, and “usually” is not “always”. You check an automation by reading it. A model only on real cases.
HOW TO TELL
WHICH SIDE YOUR CASE FALLS ON
You don’t need to know how a model works to decide. Four questions about the step in front of you.
The rule can be written down
The input arrives in fields: columns, codes, a completed form. You can say in words what to do in every foreseen case. If the explanation ends, that’s automation and a model adds only a bill.
The input is free text
An email a client wrote their own way. A PDF laid out differently every time, a handwritten note. A rule won’t hold here, and this is where a model earns its keep.
It calls for judgement, not a decision
Classifying, summarising, working out what a message asks for. These are tasks with a better answer, not a right one. That’s where a model is worth paying for.
The mistake is expensive and quiet
If being wrong means a wrong invoice or confidential data in the wrong place, “nearly always” isn’t enough. At those points a model goes in only with a person confirming first.
THE DIAGNOSIS
HOW I DECIDE IN PRACTICE
This is a sequence, not a list. The first step decides whether the rest are needed. Stopping at the second has saved somebody a project.
I write the rule out in words
I take the step and write it as an instruction for a new starter. Not in code: in plain English, with every case and the exceptions people only say out loud.
I find where the page breaks
If the instructions cover everything, it’s automation and the diagnosis ends here. If I have to write “it depends”, I’ve found the exact spot where judgement is needed.
I isolate that spot, and only that
One step, not five. Ordinary automation stays around it, cheaper and predictable. The model gets the part that can’t be written down.
I try it on your real cases
Closed cases, where the right answer is already known. I measure how much it resolves, how often it’s wrong, and what that volume costs a month. If it doesn’t hold up, I say so before building.
I set a boundary and a check
What the system doesn’t decide on its own, who confirms, and where you see it got something wrong. A model inside a process without that point isn’t something I hand over.

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THE COMMON CASE
WHEN AI EARNS NOTHING
I sell AI consulting too, so I have an interest in saying yes. The most frequent case isn’t a company that needs a model. It’s two tools that need to talk to each other. Those are automation problems: cheaper, and they don’t fail a new way each week. Half the job is saying which steps are better left alone. When the diagnosis says that, the AI work stops there. (Consulting that always reaches the same answer is a catalogue.)
IN PRACTICE
WHAT CHANGES ONCE IT IS IN
- Cost
- An automation costs to build and then almost nothing. A model costs on every call, and the bill grows with use.
- Verification
- An automation is checked by reading the rule. A model only against a sample of real cases, measured before and after.
- The kind of failure
- An automation goes wrong the same way every time and gets caught. A model goes wrong on one case and is fine on the rest.
- Maintenance
- An automation breaks when a connected tool changes, and you notice. A model degrades when the data changes, without breaking.
- Data
- An automation can stay inside the tools you already have. A model sends text to an outside supplier: which data leaves, and to whom, gets settled first.
- Supervision
- A system that decides on its own, with no point where a person can stop it, isn’t something I hand over. That holds for automations that touch money too.
If the rule can be written, writing it costs less than teaching it.
QUESTIONS
- Is a chat assistant on a website automation or AI?
- It depends what sits behind it. A path through pre-written answers is automation wearing a conversational interface. A model that composes the reply is AI: it needs limits and a check.
- If I already have automations, does AI replace them?
- No, it leans on them. The model covers the step a rule couldn’t: reading an attachment, working out what a message is about. It hands back structured data the automation uses as always.
- How will I know whether it worked?
- Choose the measure before you start. Across a sample of closed cases: how many the system resolves on its own, how many still need a person.
- Where does my data go if I use a model?
- That’s the first thing we settle, not the last. Which data leaves the company, to which supplier, how long it’s kept, and whether it trains anything. If that doesn’t suit you, there are ways of working that keep the data in.
If somebody has told you AI can do it, the useful question is which step. Write and tell me the process: I’ll say whether it needs a model or an automation.