`gpt-5.4` incorrectly reports knowledge cutoff of 2024-06

gpt-5.4 & gpt-5.4-2026-03-05 incorrectly reports the knowledge cutoff as being 2024-06, refusing to “state reliably” the facts past this date.

Example

Q: What is your knowledge cutoff date? A: My knowledge cutoff is 2024-06.