Trying to let the LLM do the whole task most often fail, or produce low quality code (even with top models like Opus 4.5)

raphaelj on Hacker News

Maybe I am 2x faster on these tasks, when measured from start to PR.

In the thread “Ask HN: Do you have any evidence that agentic coding works?”, replying to this comment

Helped: Writing interfaces first and using AGENTS.md for context.

Got in the way: Letting LLM do whole tasks on complex HPC architecture.