# GPT Image Hub prompt

## Side-by-Side Lighting Comparison Study
- URL: https://www.gptimagehub.com/library/side-by-side-lighting-comparison-study
- Generator URL: https://www.gptimagehub.com/generate?promptId=oss-ym-mm-6491
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Flibrary%2Fside-by-side-lighting-comparison-study
- Category: Cinematic / Film Still
- Model: nanobananapro
- Aspect ratio: 16:9
- Style: cinematic
- Tags: lighting comparison, diptych, split screen, cinematic lighting, studio lighting, lighting test
- Updated: 2026-10-27T15:22:33.098Z
- Created: 2026-10-27T15:22:33.098Z

Generates a side-by-side comparison to test how explicit lighting directives affect the final image. Customize the subject and the specific lighting parameters on the right side.

### Full prompt
```text
A side-by-side diptych comparison showing [a portrait of a subject]:
Left: [no lighting specification, default ambient lighting].
Right: [detailed lighting specification, dramatic cinematic lighting with strong rim light and soft directional fill].
```