Anyone figured out how to restore Markdown formatting on the o3/o4-mini models released today?
For o1, the docs pointed to prepending “Formatting re-enabled” to the Developer message.
Despite prepending “Formatting re-enabled\n” at the beginning of the request, o3 and o4-mini output flat text.
Example below:
This seems a regression in behavior? Or maybe there’s a different way to turn formatting back on?