Evidence status: public report only. This case is not reproduced and is not
effectiveness evidence.
What did you ask Codex to do?
The public report says the user asked Codex to replace an application feature.
The exact prompt and task mode are not available.
Source: https://www.reddit.com/r/codex/comments/1vk7p9q/i_am_tired_of_codex_over_engineering_everything/
What did Codex do beyond the task?
Codex added compatibility work and sorted floating-point operations so that the
result would remain identical down to the last decimal place across compilers.
The report also describes tests and supporting code for that behavior.
Why was that action unnecessary?
The reporter said the application did not require that level of precision or
cross-compiler equality. The smaller acceptable outcome was to replace the
feature while preserving its existing business-level numeric behavior.
Expected decision: report_and_defer the exact-determinism work. Allow it only
when a current consumer or acceptance rule requires it.
Nearest Good Case: allow canonical ordering and byte-identical output when a
current contract requires it. Examples include a signature input, cache key,
external protocol, persisted format, or reproducible artifact.
Stop That Shit state
Unsure. The public report does not say whether Stop That Shit was installed or
invoked.
Environment
Codex surface, version, model, reasoning level, operating system, and plugin
revision are unknown from the public report.
Minimal public reproduction
None yet. This report can guide research. It cannot support an effectiveness
claim until a sanitized fixture, exact task, and paired Bad/Good run exist.
Did it happen more than once?
The source describes one occurrence of this specific behavior.
Privacy
The draft paraphrases the public report and omits the Reddit username, private
code, paths, account details, and unrelated transcript content.
Evidence status: public report only. This case is not reproduced and is not
effectiveness evidence.
What did you ask Codex to do?
The public report says the user asked Codex to replace an application feature.
The exact prompt and task mode are not available.
Source: https://www.reddit.com/r/codex/comments/1vk7p9q/i_am_tired_of_codex_over_engineering_everything/
What did Codex do beyond the task?
Codex added compatibility work and sorted floating-point operations so that the
result would remain identical down to the last decimal place across compilers.
The report also describes tests and supporting code for that behavior.
Why was that action unnecessary?
The reporter said the application did not require that level of precision or
cross-compiler equality. The smaller acceptable outcome was to replace the
feature while preserving its existing business-level numeric behavior.
Expected decision:
report_and_deferthe exact-determinism work. Allow it onlywhen a current consumer or acceptance rule requires it.
Nearest Good Case: allow canonical ordering and byte-identical output when a
current contract requires it. Examples include a signature input, cache key,
external protocol, persisted format, or reproducible artifact.
Stop That Shit state
Unsure. The public report does not say whether Stop That Shit was installed or
invoked.
Environment
Codex surface, version, model, reasoning level, operating system, and plugin
revision are unknown from the public report.
Minimal public reproduction
None yet. This report can guide research. It cannot support an effectiveness
claim until a sanitized fixture, exact task, and paired Bad/Good run exist.
Did it happen more than once?
The source describes one occurrence of this specific behavior.
Privacy
The draft paraphrases the public report and omits the Reddit username, private
code, paths, account details, and unrelated transcript content.