# 4:5 portrait

Frame / Aspect ratio / Social. Checked 2026-10-13.

Takes the most room in a feed without being full screen.

- Use when: Instagram and LinkedIn feed posts and ads.
- Phrase: 4:5 portrait frame
- Page: https://directorchair.ai/ratio/ratio-4-5
- JSON: https://directorchair.ai/api/ratio/ratio-4-5.json

## Watch out

- The same prompt in another ratio drifts; give the approved render back as a reference. (measured; Director Chair field notes on image prompting)

## Prompts

### Nano Banana Pro

```
[your subject] in [your setting]. 4:5 portrait frame.
```

### Nano Banana 2

```
[your subject] in [your setting]. 4:5 portrait frame.
```

### GPT Image 2.5

```
A photograph of [your subject] in [your setting].
People and framing: 4:5 portrait frame
Exclusions: no extra text, no watermark, no logo.
```

### Seedream 5

```
[your subject] in [your setting]. 4:5 portrait frame.
```

## Goes well with

- 1:1 square: https://directorchair.ai/ratio/ratio-1-1
- 9:16 vertical: https://directorchair.ai/ratio/ratio-9-16

## Source

The first Director Chair spec, own words

Text CC BY 4.0, Director Chair (directorchair.ai). Reference clips and their card texts belong to their makers.