GPT-5.4 Mini

Overview

GPT-5.4 Mini was a model requested by the user, but its activation was not allowed within the current configuration.

2026-06-01 | Mentioned in session e86dca98-9a0c-4fdd-9cbb-ef2a22424094 — “I attempted to switch the model to gpt-5.4-mini as you requested, but it seems that model is not allowed.”