DHH rewrote his CampfireOnce app using AI agents without reading the resulting code in Rust, Elixir, or Go, revealing significant issues with AI-generated rewrites. The article highlights that vague prompts lead to inconsistent architectural decisions across rewrites, with each language version making different tradeoffs on backwards compatibility and design constraints.
Background
DHH (David Heinemeier Hansson), creator of Ruby on Rails, attempted to rewrite his CampfireOnce app using AI agents without reading the generated code. The article critiques the assumption that LLMs can eliminate the need for programmer understanding.
- Source
- Lobsters
- Published
- Oct 12, 2026 at 02:09 AM
- Score
- 5.0 / 10