Enterprise Guide to Vibe Coding

Hey friend,

So, I fell into a rabbit hole this week reading how big companies are now vibe coding. Vanguard, Choice Hotels, even Visa are using AI to build apps faster.

And here's the kicker—they're doing the same thing we do. They describe what they want, tweak the AI's output, and push it live.

This got me thinking: if giant companies are finally adopting this, we're ahead of the curve. We've been vibe coding for months.

What's Really Happening Out There

25% of startups in YC's current cohort have codebases that are almost entirely AI-generated. That's not a typo. One out of every four new companies is basically having AI write their entire product.

But here's what caught my attention: Microsoft CEO Satya Nadella estimated that between 20% to 30% of his company's code had been generated by AI. Google's CEO said something similar back in October.

Think about that. These aren't small startups anymore. These are the companies that power half the internet.

The Big Idea

Here's why enterprise loves it:

✅ Speed – Projects ship in weeks, not months
✅ Lower cost – Fewer dev hours, smaller teams
✅ Rapid testing – They can kill bad ideas early

But it's not perfect. Security holes and sloppy code scare them. (Honestly, that's why they still hire devs to clean things up later.)

Nearly 44% of developers had adopted AI coding tools by early 2025, and that number keeps climbing. 50% of enterprises are already deploying AI agents in production, with another 32% planning to do so within the next year.

What Vibe Coding Actually Means

Vibe Coding is a fresh take in coding where users express their intention using plain speech, and the AI transforms that thinking into executable code.

Instead of spending hours writing functions and debugging syntax errors, you just tell the AI what you want. Want a login system? Tell it. Need a payment gateway? Describe it. Want to add a dark mode? Just ask.

Coined by computer scientist Andrej Karpathy, it describes an approach to building software where you rely heavily on artificial intelligence. But here's the thing—it's not just about the code. It's about speed and testing ideas fast.

The Numbers Don't Lie

Studies in 2025 indicate up to 76.3% accuracy in single-prompt completions for standard software tasks. That means 3 out of 4 times, the AI gets it right on the first try.

I tested this myself last week. I built a simple to-do app in 2 hours. The old way would have taken me a full day, maybe two if I hit weird bugs.

What Big Companies Are Really Doing

Here's what I found digging through corporate case studies:

Speed wins: Companies are shipping MVP versions in days, not months. They test with real users, then iterate fast.

Cost matters: Instead of hiring 5 developers, they hire 2 developers and 1 AI expert. The math works out better.

Risk management: They use AI for prototypes and non-critical features first. Once they trust it, they expand.

Quality control: Every AI-generated code goes through human review. They're not just copy-pasting everything.

The Opportunity for Us

We can test more ideas, faster than big companies ever will. They move slow, we move fast.

While they're having 6-month planning meetings, we can build, test, and launch 3 different products. While they're worried about compliance and security reviews, we can iterate and find what works.

The term vibe coding itself represents a cultural shift in which developers focus more on intent and outcome. It's not about writing perfect code anymore. It's about building things people actually want.

Real Talk: The Downsides

Let's be honest. This isn't magic. AI makes mistakes. Sometimes big ones.

I've seen AI generate code that looks perfect but crashes when users do something unexpected. I've seen security holes that would make your head spin. I've seen AI confidently write code that simply doesn't work.

But here's the thing—human developers make these mistakes too. The difference is speed. When AI messes up, you catch it fast and fix it fast.

Cool Reads I Found

• "Vibe Coding Has Arrived for Businesses" – WSJ

• Tech Companies Now Hiring for Vibe Coding Skills – Business Insider

• "How Vibe Coding is Changing Software Development in 2025" – Index.dev

Action for You This Week

1. Pick one app idea you've been sitting on

2. Set a 48-hour build challenge

3. Focus on done, not perfect

Start with something simple. A landing page, a simple calculator, or a basic form. Don't try to build the next Facebook. Just build something that works.

Use tools like Claude, ChatGPT, or Cursor. Tell them exactly what you want. When they mess up (and they will), tell them what's wrong and ask them to fix it.

My Personal Take

I've been doing this for months now. I've built more working prototypes in the last 6 months than I did in the previous 2 years.

Are they perfect? No. Are they polished? Definitely not. But they work. And that's what matters.

Remember—your "messy" app would take a big company 6 months and $100k to build. You can do it in a weekend for free.

The big companies are finally catching up to what we've been doing. But we have the advantage of speed and willingness to experiment.

What's Next?

IBM's CEO predicted that AI-generated code percentages will stay around 20-30% for most enterprises. They're being conservative because they have to be.

But for us? We can push that to 80%, 90%, or even 95%. We don't have compliance teams or security reviews slowing us down.

The future belongs to people who can work with AI, not against it. The companies that figure this out first will have a huge advantage.

What do you think?

Would you trust a vibe-coded app from a big brand? Or is this all hype?

I'm curious—what's the first thing you want to build with AI? Hit reply and tell me. I read every single response.

Keep building,
Marc

P.S. - If you know someone who's still writing code the old way, forward this to them. They'll either thank you or think you're crazy. Either way, it'll be fun.