Mixed
The result of about 24 hours of gpt5.5 in codex was a build time reduction of 75%
lumost on Hacker News
build time reduction of 75%
In the thread “Microsoft starts canceling Claude Code licenses”, replying to this comment
Helped: Building detailed design before execution
Got in the way: Optimizing build/CI with ambiguous ROI
… I spent 100 dollars optimizing a build/ci system on Friday because it made me “feel” more productive. The result of about 24 hours of gpt5.5 in codex was a build time reduction of 75%.