The fairest way to compare OpenAI's terminal-based coding agent and a managed, visual app builder is to judge them on the same concrete job: a client portal with custom roles, secure logins, and per-user data isolation. The visible user interface - a few layouts and a data table - represents less than 20% of the work. The rest is infrastructure: ensuring client A can never fetch the invoices of client B, maintaining robust session states, and securing database queries.
This is a classic business application representing a deep, philosophical divergence. Codex acts as an agent inside your Git workflow, executing filesystem edits and compiling raw code that you must subsequently host, maintain, and secure. Softr handles database schemas, member groups, and row-level visual visibility Rules entirely as managed infrastructure, eliminating the edit-compile-test loop for the plumbing layer. A customer portal exposes whether you are looking to write software or simply deploy a solution.