Business of AI
Vibe Coding6 min read

What Vibe Coding Actually Is, and Why It Matters for Business

Andrej Karpathy gave it a name. But the shift it describes has been building for years — and it changes who gets to build software.

By Onil Gunawardana

Last month I needed an internal dashboard. Nothing glamorous — a way for my team to see pipeline metrics, deal velocity, and customer health scores in one place instead of toggling between four different tools. On a normal timeline, this is a two-sprint project. Scoping, design, backend, frontend, review, deployment. Four to six weeks if nothing goes sideways.

I sat down on a Tuesday evening with Claude Code and Cursor. I described what I wanted in plain English: the layout, the data sources, the filters. I iterated. I adjusted. By eleven that night, I had a working dashboard pulling real data.

When I showed it to my team the next morning, they thought I was joking. I am a product leader, not an engineer. But the thing worked. It was not beautiful, and it was not production-ready. But it was functional, and it answered the question we had been waiting weeks to answer.

That experience changed how I think about building software. And I do not think I am alone.

What Vibe Coding Actually Is

The term vibe coding was coined by Andrej Karpathy in early 2025. Karpathy — one of the most respected researchers in the AI community — described it as a way of building software where you describe what you want in natural language and let AI generate the code. You set the direction. The AI does the typing.

The name is deliberately casual. It captures the feel of the practice: you are not writing code line by line. You are communicating intent. You say "build me a form that validates email addresses and shows inline errors," and the AI produces the implementation. You review it, adjust it, and move on.

This is not autocomplete. It is not filling in the next line of a function. Vibe coding is a fundamentally different relationship between the human and the code. The human becomes the architect and the editor. The AI becomes the drafter.

In my experience, the shift is less about the technology and more about the implication. When the cost of producing code drops by an order of magnitude, the bottleneck moves from writing software to deciding what software to write.

The Tools

The vibe coding ecosystem is moving fast, but a few tools define the space.

Cursor is an AI-native code editor built on top of VS Code. It understands your entire codebase, generates code inline, and can edit across multiple files in a single operation. For developers and technical product people, it is the most natural starting point.

Claude Code is Anthropic's command-line coding agent. You point it at your project, describe what you want, and it reads your codebase, makes changes, and runs commands autonomously. What I have found most useful is its ability to hold context across an entire repository, not just the file you are looking at.

Windsurf is an IDE with deeply embedded AI that maintains awareness of your project structure. It sits somewhere between Cursor's editor-first approach and Claude Code's agent-first approach.

GitHub Copilot remains the most widely adopted tool, offering inline code completion and chat inside VS Code. It is less autonomous than Claude Code or Cursor but more accessible for teams already in the GitHub ecosystem.

Replit Agent takes a different angle entirely. You describe an application in a prompt, and it generates a full-stack app — frontend, backend, database, deployment. It is the most accessible entry point for people with no coding background at all.

Each of these tools has a different philosophy, but they share the same core idea: natural language in, working code out.

Where It Works

Not every kind of software benefits equally from vibe coding. In my experience, the sweet spots are clear.

Internal tools are the highest-value, lowest-risk application. Admin dashboards, data pipelines, reporting tools, CRUD applications. The requirements are usually well-defined, the users are forgiving, and the stakes are moderate.

Prototypes and MVPs are the second major category. When the goal is to learn rather than to ship, vibe coding collapses the timeline from months to days. You can test an idea with real users before committing engineering resources.

Personal productivity tools are an underappreciated category. Scripts, automations, browser extensions, Slack integrations. The kind of thing that would take a developer a few days but matters most to the person who needs it. Vibe coding lets that person build it themselves.

Repetitive patterns are where AI-generated code is most reliable. Form validation, API integrations, database schemas, component scaffolding. Anything that follows a well-established pattern is a sweet spot because the AI has seen thousands of examples.

Where It Breaks Down

Understanding the limits of vibe coding is, in my view, more important than understanding its capabilities. The failure modes are subtle, and they compound.

Complex system architecture is the most significant limitation. AI can generate code, but it does not understand your business constraints, your scaling trajectory, or the organizational dynamics that shape technical decisions. Architecture is judgment work. It requires context that no model has.

Security-critical code is a domain where vibe coding should be treated with extreme caution. Authentication flows, payment processing, data encryption, access control. AI-generated code can contain vulnerabilities that are syntactically correct and pass basic tests but fail under adversarial conditions.

Performance-sensitive paths present a different challenge. If you need code that handles thousands of concurrent requests or processes large datasets efficiently, AI-generated code will often be correct but slow. Optimization requires understanding hardware constraints, profiling real workloads, and making trade-offs that current AI tools handle poorly.

Long-term maintainability is the concern I hear most from engineering leaders, and it is legitimate. A vibe-coded prototype is not a production system. The code may work today, but it may also be inconsistently structured, poorly documented, and difficult for another engineer to extend or debug six months from now.

Why This Matters for Business

The business implications of vibe coding extend well beyond engineering productivity.

Faster validation cycles. When a product manager can build a working prototype in days instead of writing a spec and waiting for sprint allocation, the feedback loop tightens dramatically. Ideas get tested sooner. Bad ideas get killed faster. Good ideas get refined with real user input instead of conference room speculation.

Lower cost of experimentation. When building a prototype costs ten times less than it used to, you can run ten times more experiments. The companies that figure out how to experiment faster will consistently outperform those that deliberate longer.

New builder profiles. This is the shift I find most consequential. People who understand the problem deeply — sales leaders, operations managers, customer success directors, founders without technical backgrounds — can now build their own solutions.

Changed hiring calculus. The value of a software developer is shifting from "can write code" to "can design systems and evaluate AI-generated output." This does not reduce the need for engineers. What it changes is what you look for when you hire them, and how you structure teams around them.

The Realistic View

After fifteen years of building enterprise products, here is what I tell every executive who asks me about vibe coding: it is not magic. It is not a replacement for engineering. It is a genuinely new phase in the software development lifecycle — one that sits before the traditional build phase and makes it possible to learn faster and cheaper.

The organizations that will benefit most are the ones that treat vibe coding as what it is: a powerful tool for exploration with real limitations. That means using it for the right categories of work. It means keeping human judgment on architecture, security, and performance. It means treating vibe-coded output as a starting point that requires engineering rigor before it reaches production.

The question is not whether this shift will matter. Karpathy named something that thousands of people were already doing. The question is whether your organization knows how to use it — and, just as importantly, where to stop.

Onil Gunawardana
Onil Gunawardana

Founder, BusinessOfAI.com

Product management executive with 15+ years building enterprise software. Created 8 major products generating $2B+ in incremental revenue.