💎 Prompt Series Part 3 of 5: When LLM Selection Starts to Matter
After learning how to prompt clearly and iterate effectively, a natural question emerges:
Does it matter which LLM I use if I’m iterating well?
In the short run, the honest answer is no.
If you’re clear in your intent and willing to refine direction, most modern LLMs will get you where you need to go. Prompting and iteration do a lot of the heavy lifting early on.
That’s why many people experience an initial breakthrough and think, “Okay, I’ve got this.”
And they do.
At first.
💎 Why Iteration Levels the Field Early
When you’re iterating well, you’re doing a few important things:
  • Clarifying what you actually want
  • Responding to output instead of restarting
  • Adjusting direction in small, intentional steps
Those behaviors transfer.
They work across LLMs because the interaction pattern is the same:
input → response → refinement.
In that phase, differences between LLMs fade into the background.
You’re building skill, not dependency.
💎 When Fit Begins to Show Up
As AI becomes something you use regularly—not occasionally—another shift starts to happen.
You’re no longer experimenting. You’re working.
And that’s when fit begins to show up.
Not in dramatic ways
In small ones that compound over time.
You notice how an LLM responds to follow-ups.
How much structure it assumes.
How easily you can steer it without over-explaining.
Tone and writing style are often where this becomes most obvious.
Some people gravitate toward Claude because it feels more measured, structured, and editorial.
Others prefer ChatGPT because it feels more conversational, adaptive, and easy to steer through quick iteration.
Neither is better.
They simply feel different to work with.
And once AI becomes part of your daily rhythm,
those differences start to matter.
To be clear, this isn’t about specialty capabilities like coding, image creation, or domain-specific features.
It’s about how naturally an LLM mirrors:
  • Your tone
  • Your writing style
  • The way you think through ideas
That alignment reduces friction.
And reduced friction compounds.
💎 Re-centering on What Actually Matters
Early on, progress with AI feels like capability.
You can get results.
You can steer outputs.
You can make things work.
But over time, progress changes shape.
It becomes quieter.
It shows up as:
  • Less friction in your thinking
  • Fewer words needed to guide direction
  • A tone that already matches yours
  • Work that moves without resistance
At that point, you’re no longer focused on decisions about models or tools.
You’re noticing whether the work flows.
That’s not about features.
It’s not about benchmarks.
It’s about fluency.
💎 What Fluency Actually Feels Like
Fluency is when interaction feels natural.
When iteration feels lightweight.
When the back-and-forth stops interrupting your thinking and starts supporting it.
That’s not something you can evaluate upfront.
It only reveals itself through use.
Early progress feels like capability.
Real progress feels like ease.
And when the work starts to feel effortless - you’ve built fluency.
💎 What Comes Next
In Part 4, we’ll look at what happens once prompting, iteration, and fluency are in place.
And repetition is where workflows, automations, and systems quietly begin to form.
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Michael Wacht
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💎 Prompt Series Part 3 of 5: When LLM Selection Starts to Matter
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