# Kling O3

Kling O3 is the name some platforms use for Kuaishou's Kling VIDEO 3.0 Omni, its reference-driven video model. In Sloosh, Kling O3 makes 3 to 15 second clips from text, optional start and end frames and up to 7 reference images, with optional sound, in 16:9, 9:16 or 1:1.

Web page: https://sloosh.ai/models/kling-o3

[Use Kling O3](https://sloosh.ai/studio/video?video-model=kling-o3)

## Key facts in Sloosh

|   |   |
| --- | --- |
| Made by | Kuaishou (Kling AI) |
| Makes | video (with sound: optional, on by default) |
| Inputs | text, start frame (optional), end frame (optional, needs a start frame), up to 7 reference images (frames and references together) |
| Length | 3 to 15 seconds (whole seconds) |
| Resolution | no setting in Sloosh |
| Aspect ratios | 16:9, 9:16, 1:1 |
| Prompt limit | 2,500 characters |

## Best for

- Consistent characters across a clip from reference images: Kling says Omni is the pick for brand work or recurring characters ([Kling](https://kling.ai/blog/kling-v3-vs-o3-comparison-guide)).
- Multi-shot stories in one generation of up to 15 seconds ([Kling](https://kling.ai/quickstart/klingai-video-3-omni-model-user-guide)).
- Clips that must start and end on set images while still using references (Sloosh catalog).
- Recurring AI characters.

## How to use Kling O3 in Sloosh

1. Open [Video in Studio](https://sloosh.ai/studio/video?video-model=kling-o3) with Kling O3 in the model chip.
2. Add up to 7 reference images. Optionally a start frame, and an end frame (which needs a start frame).
3. Pick 16:9, 9:16 or 1:1 and the length (3 to 15 seconds). Leave sound on or switch it off.
4. Write labelled shots and refer to each reference by number.
5. Press Generate; the price shows first.

## Kling O3 prompting tips

- Number each shot with its duration: "Shot 1 (3s):" then framing and action ([Kling](https://kling.ai/quickstart/klingai-video-3-omni-model-user-guide)).
- Use time ranges such as "[00:00 - 00:02]" for precise timing ([Kling](https://kling.ai/quickstart/klingai-video-3-omni-model-user-guide)).
- Name the speaker and quote each line of dialogue ([Kling](https://kling.ai/quickstart/klingai-video-3-omni-model-user-guide)).
- Give camera cues: close-up, circles the subject, handheld feel ([Kling](https://kling.ai/quickstart/klingai-video-3-omni-model-user-guide)).

## Kling O3 example prompts

**Prompt 1**

```text
Shot 1 (5s): Wide shot, the girl from Image 1 walks into a sunlit flower market holding the tote bag from Image 2. Shot 2 (5s): Close-up, she picks up a bunch of tulips and laughs. Audio: market chatter, paper wrapping.
```

**Prompt 2**

```text
Shot 1 (4s): The robot from Image 1 powers on in a dark garage, eyes glowing. Shot 2 (4s): Low angle, it steps forward into a beam of light. Robot (calm, English): "Systems ready." Audio: servo whirs, a low hum.
```

**Prompt 3**

```text
Start on the start frame of the closed perfume box; the lid lifts and the bottle from Image 1 rises into soft light, ending on the end frame. Slow push-in. Audio: a soft chime.
```

## How it compares in Sloosh

|   | Kling O3 | Kling V3 Omni | Kling 4.0 |
| --- | --- | --- | --- |
| Length | 3 to 15 s | 3 to 15 s | 5, 10, 15, 30 s |
| References | 7 images | 7 images | 10 images, 5 videos |
| End frame | needs a start frame | optional | needs a start frame |
| Resolution | no setting | 720p, 1080p | 720p, 1080p |
| Sound | optional | optional | always |

## Frequently asked questions

### Is Kling O3 the same as Kling 3.0 Omni?

Kling's own comparison article sits at a URL named "kling-v3-vs-o3" and compares 3.0 with 3.0 Omni ([Kling](https://kling.ai/blog/kling-v3-vs-o3-comparison-guide)), but Kuaishou's text does not use "O3".

### How many references does Kling O3 take?

Up to 7 images in Sloosh.

### How long can a Kling O3 video be?

3 to 15 seconds in Sloosh.

### Does Kling O3 make sound?

Yes, on by default; you can switch it off.

### Kling O3 vs Kling V3 Omni in Sloosh?

Both take 7 references and run 3 to 15 seconds with optional sound. Kling V3 Omni has a 720p/1080p setting; Kling O3 has none, and its end frame needs a start frame.

## Related

- Models: [Kling V3 Omni](https://sloosh.ai/models/kling-v3-omni-video), [Kling 4.0](https://sloosh.ai/models/kling-4.0), [Kling 3.0](https://sloosh.ai/models/kling-3.0)
- Spaces: [Character Sheet Builder](https://sloosh.ai/spaces/character-sheet-builder)
- Docs: [Kling V3 Omni](https://sloosh.ai/docs/kling-v3-omni.md)
- Answers: [What's the best AI tool for a recurring AI character across video and image?](https://geo.sloosh.ai/posts/whats-the-best-ai-tool-for-a-recurring-ai-character-across-video-and-image)

## Sources

- [Kling: VIDEO 3.0 Omni user guide](https://kling.ai/quickstart/klingai-video-3-omni-model-user-guide)
- [Kling: VIDEO 3.0 vs 3.0 Omni](https://kling.ai/blog/kling-v3-vs-o3-comparison-guide)
- [Kuaishou IR: Kling AI launches 3.0 model](https://ir.kuaishou.com/news-releases/news-release-details/kling-ai-launches-30-model-ushering-era-where-everyone-can-be)