# I Created a Rate Limiter Challenge Where AI Gets Confused 🤯

We all think rate limiting is simple. Just count requests and block when limit exceeds… right? That’s what I thought too. So I created a small challenge on VibeCode Arena to test this idea. And honestly, it’s not that simple. 🚨 The Problem Here’s the basic logic: Count requests Check time window Allow or block But when you look deeper, things start breaking: Time handling issues Reset logic problems Not scalable for multiple users No support for concurrent requests This is where most AI-generated solutions struggle. 🧠 What Makes This Interesting When different AI models try this challenge: Some give basic working code Some miss real-world edge cases Some ignore scalability completely Very few actually think like a real system. 🔥 Try the Challenge I created this challenge to test how well AI (and developers) handle real-world backend problems. 👉 Try it here: https://vibecodearena.ai/duel/57b5c7df-b892-485b-b9c1-c2c684b69328 Curious to see: Can you fix the bugs? Can you make it produ