The Dark Side of 'Vibe Coding' That Nobody Talks About

Source: Dev.to

What is Vibe Coding?

“Vibe coding” is a term coined by Andrej Karpathy. It refers to using AI to write code based on a vague description—​you describe what you want, accept the output, and move on without a deep understanding of how it works.

Perceived Benefits

• Speed – Ship features in hours instead of days.
• Accessibility – Non‑coders can build apps.
• Dopamine – Instant results feel rewarding.

Risks and Drawbacks

• Lack of Understanding – When AI‑generated code breaks in production (e.g., at 3 AM), you may have no idea how to fix it.
• Security Issues – AI models are trained on public code, which can include insecure patterns such as SQL injection, XSS, and improper authentication. The AI does not always catch these vulnerabilities.
• Technical Debt – Vibe‑coded projects can accumulate debt rapidly: no architecture, no design patterns, just a stack of prompts.
• Job Vulnerability – If your only skill is prompting AI, you become replaceable by anyone with a keyboard. Real engineers understand systems and can maintain and evolve codebases.

Best Practices

• Use AI as a Co‑pilot, Not Autopilot – Treat AI suggestions as assistance rather than a complete solution.
• Read Every Line – Review all generated code to ensure it aligns with expectations and standards.
• Understand the Architecture First – Define the system’s structure before using AI for implementation.
• Write Tests – Leverage AI’s ability to generate tests, but verify they cover critical paths.
• Learn Fundamentals – Core programming concepts and design principles never go out of style.

Personal note: I use Claude Code and Cursor daily, but I understand every line, review every PR, and can rebuild the same solution from scratch if needed. This distinguishes a developer who uses AI responsibly from a prompter who hopes for the best.

Conclusion

Vibe coding can be a useful tool when applied thoughtfully, but it becomes a dangerous shortcut when it replaces understanding and disciplined engineering practices.

What’s your take on vibe coding? Useful tool or risky shortcut?