Imagine you want to build a small app. Instead of typing out every line of code yourself, you describe what you want to an AI assistant. You might say, "Create a simple timer that counts down from 10 minutes and plays a sound when it's done." The AI generates the code, and you check if it works. Maybe you then add, "Now, make the background change from green to red as the time runs out."

This back-and-forth process is the essence of vibe coding. It’s a way of developing software by collaborating with an AI, typically a large language model (LLM). The developer focuses on the 'vibe'—the overall goal and feel of the project—while the AI handles the heavy lifting of writing the actual syntax.

This approach shifts the developer's role from a meticulous writer of code to that of a director or architect. Your primary job is to communicate your vision clearly and guide the AI through iterations until the final product matches your intent. It's less about remembering the exact syntax for a for loop and more about experimenting with ideas.

While the idea of generating code from natural language has been around for a while, the term "vibe coding" is relatively new. It was coined by computer scientist Andrej Karpathy in February 2025 to describe this emerging style of programming that was becoming possible with increasingly powerful AI models.

The rise of sophisticated LLMs, trained on vast amounts of text and code, was the key catalyst. These models became capable enough to understand nuanced human language and translate it into functional source code, setting the stage for a more conversational and intuitive development process.

Vibe coding is defined by a few key characteristics that set it apart from traditional programming. It prioritizes speed and experimentation over initial perfection.

The process is fundamentally conversational. You don't just give one command and get a finished product. Instead, you have a dialogue with the AI, refining your requests based on the output you receive. This makes it ideal for rapid prototyping, where the goal is to get a working model up and running quickly to test an idea.

Here’s how the focus shifts from traditional coding to vibe coding:

With vibe coding, the initial drafts might not be perfect or optimized, and that’s okay. The main goal is to translate an idea into a functional piece of software as fast as possible, allowing for more cycles of feedback and improvement.

This new paradigm changes the fundamental experience of what it means to program, opening the door for faster creation and more creative exploration.