Why Ruby on Rails Still Makes Sense in the Age of LLMs

Does Ruby on Rails still make sense?

A developer responds to the question of whether Ruby on Rails still makes sense now that LLMs can write code cheaply. His answer is yes: frameworks provide structure, security updates, and free performance gains, and everything that made humans productive also makes LLMs productive. Rewriting in Rust isn't trivial—different ecosystems carry hidden behavioral changes that users will notice—so optimizing the existing app is often the smarter move.

Everything that was created to make a human more productive to write code will also make an LLM more productive.

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2026-10-21