Just as humans can overthink simple decisions into worse outcomes, AI models can reason themselves away from correct answers. The engineering challenge shifts from “enable more thinking” to “know when to stop thinking.”
The Overthinking Problem
Test-time compute scaling—giving AI models more time to “think”—has been a major breakthrough. OpenAI’s o1 model and similar reasoning systems improve on complex problems by extending deliberation.
But there’s a catch: more thinking doesn’t always mean better answers.
- Simple questions can be overthought into incorrect answers
- Extended reasoning chains can introduce errors that compound
- Confidence can decrease as the model considers more alternatives
The Optimal Inference Problem
If overthinking degrades accuracy, optimal inference requires knowing when to stop reasoning:
- Simple tasks may need compute caps—force quick answers
- Complex tasks may benefit from extended thinking
- One-size-fits-all scaling fails—different problems need different approaches
The Engineering Challenge
This creates a meta-problem: how does the AI know which type of problem it’s facing before it starts thinking?
Early indicators suggest the need for:
- Problem classification before reasoning allocation
- Confidence thresholds that trigger early stopping
- Adaptive compute budgets based on task type
Strategic Implication
The second-order effects of test-time scaling are becoming clear. More compute isn’t always better. The companies that figure out optimal inference—when to think more and when to stop—will deliver better results at lower cost.
AI’s analysis paralysis is a feature of intelligence, not a bug. Managing it is the next engineering frontier.









