What Is Extended Thinking
A feature giving AI more "time to think." Normal chat answers instantly, but in Thinking mode the AI builds reasoning step by step internally before answering. OpenAI's o1 / o3, Claude's Extended Thinking, Gemini's Deep Think apply.
When to Use It
| Use | Normal mode | Thinking mode |
|---|---|---|
| Casual question | ◎ | × (too slow) |
| Email draft | ◎ | × |
| Summary | ◎ | △ |
| Hard math/puzzle | △ | ◎ |
| Long-form coding | ○ | ◎ |
| Strategic analysis | △ | ◎ |
| Research review | ○ | ◎ |
How to Turn It ON
Claude
- Select a model with "Extended Thinking" (Opus etc.) in the model menu
