`o3` / `o4-mini` Restore Markdown Formatting

API
5

Any “official answer” is no answer. I tried.

We can just have gpt-4.5-preview be the judge of what o4-mini is producing when switching models on a context. Not compliant.

The image explains the difference between custom-styled headings and standard CommonMark headings, emphasizing that valid headings require hash symbols. (Captioned by AI)
The image explains the difference between custom-styled headings and standard CommonMark headings, emphasizing that valid headings require hash symbols. (Captioned by AI)784×459 35.6 KB

The official word is ChatGPT will help you (in Korean also for some reason) because it does make headers using hashes…but won’t actually help you except in terms of a writing composition.

image