How I actually use AI to write Ruby on Rails code | Mario Alberto Chávez - Ruby on Rails, AI Tools & former CTO

Nowadays, there is a lot of noise on social media about coding with AI. It’s common to read posts from people claiming they cloned a service in hours, even though they don’t know how to code. There are also people claiming that if you’re not using a particular tool, you’re becoming obsolete—and those same people, a week later, say the same thing about a different shiny tool. This can become overwhelming. Frustrating, even if you’re using the tools, but your results don’t come close to “building the next big thing in two hours.” Or if you expect a simple prompt to produce a complete feature. When that happens, it’s a sign you need to go outside and walk to a park. I’ve learned to stay away from the noise and set realistic expectations for what a model like Anthropic’s Opus 4.5 can do. Here’s what actually works for me.