# Synthetic rooms vs human research panels

| | Kranth rooms | Human panels |
|--|--------------|--------------|
| Speed | Minutes | Days–weeks |
| Cost at early stage | Credits | Recruit + incentive + ops |
| Lived experience | No | Yes |
| Hostile edge cases | Strong default | Depends on design |
| Repeatability / API | Yes | Weak |

**Use rooms first, panels when the idea is worth a week of calendar.**