Is extended thinking and high intelligence REALLY the same?

📰 Reddit r/ChatGPT

Distinguish between extended thinking and high intelligence in AI models, particularly in ChatGPT's updated model picker, to optimize task performance

intermediate Published 11 Jun 2026
Action Steps
  1. Compare the performance of tasks using the new 'High Intelligence' option versus 'Extended Thinking' on the Pro plan
  2. Run benchmark tests to evaluate the impact of the model change on task completion time and accuracy
  3. Configure your workflow to adapt to the updated model picker, considering the trade-offs between standard, extended, and high intelligence options
  4. Test the functionality of the 'High Intelligence' option on various task types to determine its suitability
  5. Analyze the results of your tests to decide whether to stick with the Pro plan's extended thinking option or switch to the Plus plan's high intelligence option
Who Needs to Know This

Developers, researchers, and professionals using ChatGPT for complex tasks can benefit from understanding the differences between extended thinking and high intelligence to choose the appropriate model for their needs

Key Insight

💡 The update may not be just a renaming, and understanding the differences between extended thinking and high intelligence can help optimize task performance

Share This
🤖 ChatGPT's model picker update: Is 'High Intelligence' the same as 'Extended Thinking'? 🤔 Run your own tests to find out! #ChatGPT #AI

Full Article

ChatGPT has made changes to it's model picker. It's not clear if this is a simple renaming or if there is a change in functionality. My work involves complex instructions and I always use extended thinking. "Thinking" has been replaced by "Intelligence" with "High" as the highest option on the Plus plan. There is still an option for standard and extended on the pro plan. I've only run a few tasks, one of which I do regularly within a project, and it took several
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