ChatGPT 5.4 Pro Standard Mode - Adaptive Thinking or Nerfing Model?
OpenAI Developer Community
April 30, 2026
It seems like I’m still hitting very limited thinking times on GPT Pro. The first day after GPT 5.5 Pro came out it was fine, but from the second day onwards it seemed to be nerfed. Not sure if anyone else experienced this?
Discussion in the ATmosphere