Mixed
It usually one-shots stuff wrong, and then there's a good chance that it'll take longer to chase down the errors than it would've to just write the thing
majormajor on Hacker News
10X improvement
In the thread “Everything around LLMs is still magical and wishful thinking”, replying to this comment
Helped: Building prompts is now faster than manual coding for many tasks.
Got in the way: One-shotting errors often takes longer to fix than writing code manually.
… I'm personally more productive than 1 or 2 years ago now because the time required to build the prompts was slower than my personal rate of writing code for a lot of things in my domain, but hardly 10x. It usually one-shots stuff wrong, and then there's a good chance that it'll take longer to chase down the errors than it would've to just write the thing - or only use it as "better autocomplete" - in the first place.