Quick impressions: a week of using Codex more than Claude

Lucian Ghinda spent a week working mostly in Codex instead of Claude on Ruby and Rails code and reports the differences. Codex wrote fewer comments and simpler architecture, while Claude produced more abstractions, Sorbet signatures, and type aliases. Codex made changes faster up front but needed enough review afterwards that the author saw no net time saving, and he notes Codex stops at the first sign it might be done where Claude tries to exceed the request. He also reports Codex creating a branch targeting another branch targeting main, then rebasing wrongly into a pull request with over 4,000 additions, and struggling with Jira and Atlassian CLI workflows.