How to Train AI to Write More Like You
Disclosure: this was written using a trained AI writing assistant. I did a quick voice transcription to hit the major points, fed it into a custom GPT in ChatGPT, and then spent less than five minutes refining it.
Teaching your AI assistant to write in your style is a great use case, works reasonably well, and is a lot easier. When you are training it, the goal is not to dump a stack of writing samples into it and hope it figures things out. Think of it less like flipping a switch and more like coaching a new team member. You need to tell it the obvious rules, show it what good looks like, and then correct mistakes.
Start with a short bulleted list style sheet and keep it simple. Five to ten rules is usually enough. You are looking for the things that are consistently true about how you write, both preferences and prohibitions. For example:
no emojis
no em dashes
no exclamation points
be concise
stay professional
do not get cute or try and be controversial
After that, give it a few real writing samples. The more specific and substantive they are, the better. A short casual email is not nearly as helpful as a paragraph where you are analyzing a problem, explaining a decision, or making an argument. AI learns more from detailed examples than from generic filler. A handful of strong samples is usually more useful than a giant pile of weak ones.
Finally, pick a topic and let it write. Give it a clear subject, a length limit, and a few constraints. After that, compare its draft to what you would write. That is where the real training starts. Do not just say “make it better,” show it how. Tell it you would never say that, what you would say instead, and why. That kind of side-by-side correction teaches it much faster than passive exposure ever will.
This is the part that matters most. A lot of people assume the secret is volume, more samples, more prompts, more examples. That helps up to a point. But the real improvement comes from interactive feedback just like a human being. When you correct the model on a specific assignment, it starts learning your preferences in context. It gets a better feel for what you mean, what you prioritize, and where your line is between clear and overdone. In practical terms, your edits to its mistakes are often more valuable than another batch of old writing.
There is also a practical middle ground if you are not comfortable having AI draft full pieces in your name. Use it to create structure. Make it write an introduction and conclusion, then give you a list of points that need to be covered. Or have it build the framework and let you flesh out the substance. If you struggle to get something started, it does not replace your thinking, but it can remove a lot of the blank-page friction and cut the workload substantially.
Training AI to write like you is not about feeding it endless samples and hoping for perfect imitation – 80 to 90% is a realistic goal. Give it clear rules, strong examples, and direct feedback on where it gets things wrong. Done well, it can get surprisingly close. But the biggest value is not that it becomes you. It is that it helps you get to a solid draft faster, without giving up control.