Description:

 

GPT-5.4 Thinking is an AI reasoning model that solves complex problems, writes and debugs code, and handles long, multi-step workflows with better accuracy and context tracking than earlier GPT-5 models.

- Advanced Reasoning: Handles complex tasks with stronger step-by-step thinking and better context tracking.
- Stronger Coding and Workflows: Performs better across coding, tool use, and multi-step professional workflows.
- Upgrade Over Earlier Versions: Compared with earlier GPT-5 models, it can think longer on hard tasks, keep track of prior work better, and produce cleaner outputs with less back and forth.
- Long-Context Performance: Built for longer tasks that need deeper thinking and more reliable context retention.