Massive Regression: Detailed Gemini Thinking Process vanished from AI Studio

Seeing the raw chain of thoughts is very helpful for my workflow as it allows me to see and correct misinterpretations the model made. With CoT I can get valuable insight that isn’t filtered with 05-06s sycophant praising. CoT is also more honest and points out the flaws in what I gave, it explicitly points it out compared to the final output where it just avoids the problem altogether.

Reading the CoT and getting the final output are two different things, the CoT shows me what it truly thinks without the “I will praise user!” state it always rejects to. Because of the summaries, I can no longer correct the wrong assumptions. I will now have to guess, and hope that yes, the AI got it.

I do not want to guess if they understood what I said. I do not want to play russian roulette if they understood my code/work. I want the full Chain of Thought— I want the context of why it formed its specific answer.

Summaries don’t do that. They filter all the nuances and give an overview that doesn’t fully encompass its thoughts or its disagreements. Which is very important for debugging. This is not a positive change.

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