PracticalX Deep Dives · AI · Day 11 of 30

From ChatGPT to Groq

What Switching AI Tools Taught Me About Learning

K
Karthik Mahadevan
CIO · Building PracticalX
Published Day 11 · 2025
Read time 8 min read
Series Learning AI Out Loud

If you're still on one AI tool, you're not learning fast enough.

I don't say that to be provocative. I say it because I lived the opposite journey — and every time I switched tools, something clicked that hadn't clicked before.

This is that story.

Section 01

The Hype Entry


Like most people, I started with ChatGPT.

Not because I researched it. Not because I evaluated alternatives. Because it was everywhere — in the news, in conversations, in my LinkedIn feed. The barrier to entry was low. The interface was familiar. And the first time it wrote something coherent in response to a question I typed, it felt like magic.

That's exactly how it should start.

ChatGPT is the right entry point for most people. It's the widest ecosystem in the AI space — the most integrations, the most community knowledge, the most tutorials, the most colleagues who are already using it. When you're learning something new, being where everyone else is has real value. You can compare notes. You can ask for help. You can find examples of what good looks like.

I learned the basics of prompting there. I got comfortable with the conversational format. I understood what AI could and couldn't do at a surface level.

And then I hit a ceiling.

Not a capability ceiling — ChatGPT is deeply capable. A personal ceiling. I had learned what I could learn at that level of engagement. I was using AI as a sophisticated search engine and writing assistant. I wanted to go further.

Section 02

Going Deeper With Claude


The shift to Claude wasn't about features. It was about intent.

I wanted to do something specific — build. Not just prompt. Not just receive outputs and edit them. Actually program with AI. Use it as a development partner. Build agents that could read my email, process information, and deliver something useful.

Claude handled that differently than anything I had used before.

The context window was larger — meaning I could have longer, more complex conversations without losing the thread. The reasoning felt more deliberate — when I asked it to think through an architecture decision or debug a piece of code, it showed its working in a way that taught me something rather than just giving me an answer.

"It made me feel like a developer again, not just a user."

I built my first practical AI agent using Claude. It reads my Gmail, processes my WhatsApp messages, and delivers a morning digest. That wouldn't have happened if I'd stayed where I was comfortable.

But comfort has a cost. And Claude's came in tokens. The more I built — the more API calls I made — the more expensive it got. Which led me to the next switch.

Section 03

The Capability Map


Before I continue the journey — here's the honest practitioner's view of each tool. Not a review. Not a ranking. A map of what each is genuinely better at based on real use.

🤖
ChatGPT
The Entry Point
Best for getting started, everyday tasks, and the widest ecosystem of integrations and community knowledge. If you're introducing someone to AI for the first time, this is still where I'd point them. The familiarity and ecosystem breadth make the learning curve gentler than anywhere else.
What it taught me: How to prompt. What AI can and can't do. How to think in terms of tasks rather than searches.
🧠
Claude
The Builder's Tool
Best for deep reasoning, coding, building agents, long context conversations, and going beyond prompting into actually programming with AI. If you want to understand how AI works well enough to build with it — not just use it — Claude is where that journey accelerates.
What it taught me: How to think like a developer working with AI. How to use context deliberately. How to build something that actually works.
🔍
Gemini
The Researcher's Tool
Best for deep research, documentation, and Google Workspace integration. If your workflow lives in Google Docs, Google Drive, Gmail, and Google Meet — Gemini integrates natively in ways other tools don't. Strong for research tasks that require synthesizing large volumes of information and producing structured documentation.
What it taught me: That the best AI tool is often the one that integrates most naturally into the workflow you already have. Switching tools isn't always about capability — sometimes it's about friction.
Groq
The Infrastructure Layer
Best for API-heavy workloads where speed and cost matter. Groq's inference speed is extraordinary and the cost for API calls is dramatically lower than alternatives. If you're building agents that make many API calls, Groq changes the economics entirely.
What it taught me: That the model and the infrastructure are separate decisions. More on this in Day 12.
Section 04

The Multi-Tool Practitioner


Here's what I've come to believe after this journey.

Tool loyalty in AI is a beginner's habit.

Not because loyalty is wrong — but because the AI tool landscape is genuinely differentiated. These are not interchangeable products competing on the same features. They have different strengths, different pricing models, different use cases, and different ideal users.

Using one tool for everything is like having one app on your phone. You could probably make it work. But you'd be making compromises on every task that your default tool isn't optimized for.

"The practitioners I respect most don't have a favourite AI tool. They have a toolkit."

They know which tool to reach for based on what the task requires — and that knowledge only comes from having used all of them.

The journey from one tool to many isn't disloyalty. It's graduation.

Section 05

How to Know When to Switch


You don't need to switch tools on a schedule. But there are signals worth paying attention to:

Section 06

The Only Thing That Actually Matters


There is no perfect tool.

There is no perfect moment.

There is no employer budget you need to wait for.

There is no right time to start.

There is only the decision to stay invested — to keep spending, keep switching, keep learning, keep building — even when it's uncomfortable, even when it's expensive, even when the tool you chose last month gets replaced by something better next month.

That's not a bug in the AI landscape. That's the landscape. And the people who thrive in it aren't the ones who found the right tool and stuck with it. They're the ones who stayed curious longer than everyone else.

Don't wait for perfect. Invest yourself. Stay in motion.

If it helps to know where someone else started — here's my journey. Not as a prescription. Just as one data point from someone who has made every mistake worth making:

My Journey · One Data Point
ChatGPT
Started here because it was everywhere. Learned prompting. Got comfortable with AI.
Claude
Moved here to build, not just prompt. Built my first AI agent. Learned to think like a developer with AI.
Gemini
Added for deep research and Google Workspace integration. Different strengths, different use cases.
Groq
Discovered when API costs made me reconsider what was financially possible. Changed the economics of building entirely.

Each switch taught me something the previous tool couldn't. None of them was the right tool. All of them were the right tool for that moment.

Your journey will look different. It should. The point isn't to copy mine — it's to have one.

K
About the Author
Karthik Mahadevan
Still learning. Always building.

I spend my days at the intersection of technology leadership and hands-on building — and I've learned consistently that you cannot stay superficial with anything worth mastering. PracticalX is my attempt to share what sticks — one practical nugget at a time.