Reference to video
Kling O3 Pro Reference to Video
You in a scene, with Kling holding the character steady.
What it does
Holds character identity, object detail and environment across a scene. References are addressed in the prompt as @Image1, @Image2, and the endpoint accepts at most 4 of them.
What you give it
- Takes
- Image, Text prompt
- Produces
- video
- Length
- 3–15s
- Reference images
- up to 4
- Aspect ratios
- 16:9, 9:16, 1:1
- Audio
- generated with the video
- Category
- Reference to video
- Price
- 10 cr / 5 s
Required: image, text. Anything else listed above is optional.
Kling O3 Pro Reference to Video: common questions
What is Kling O3 Pro Reference to Video best for?
Kling O3 Pro Reference to Video is a reference to video model. Several photos of a subject, held consistent through a new scene. You in a scene, with Kling holding the character steady. People run it for: character consistency, elements, multishot.
How much does Kling O3 Pro Reference to Video cost?
10 credits for a 5 s clip. It bills per second of output at 2 credits a second, so a shorter clip costs proportionally less. Billing stops at 15 seconds, so one run never costs more than 30 credits. Credits are the only unit we quote. One balance covers every model in the catalogue, so there is no subscription attached to Kling O3 Pro Reference to Video specifically and no minimum spend to use it. See the pricing page for what a credit costs.
What do you need to give Kling O3 Pro Reference to Video?
It accepts an image and a text prompt. It will not start without an image and a text prompt. Up to 4 reference images per run. Aspect ratios: 16:9, 9:16, 1:1.
What do you get back from Kling O3 Pro Reference to Video, and how long does a run take?
Every run returns one video. A single run gives you between 3 and 15 seconds. It produces the audio along with the picture. Runs are queued and processed in the background, so you can close the tab — the finished file turns up in your library. We do not quote a fixed wall-clock time: it moves with the length of the run and with how busy the queue is.
How does Kling O3 Pro Reference to Video compare with other reference to video models?
The catalogue also runs HappyHorse 1.1 Reference to Video (10 credits for a 5 s clip) and MiniMax H3 Reference to Video (20 credits for a 5 s clip) for the same job. HappyHorse 1.1 Reference to Video is our default pick for reference to video. They all draw on one credit balance, so trying a second one costs nothing beyond the run itself.
What people make with it
A model is a means, not the job. These are the outcomes this one is usually bought for, each with its own walkthrough.
Guides that use this model
Numbered walkthroughs that reach for Kling O3 Pro Reference to Video at some point, and say what they would pick instead and why.
Others that do the same job

HappyHorse 1.1 Reference to Video
Reference to video
Up to nine photos of you plus a description — you, in any scene you can write down.
- Price
- from 10 cr / 5 s
- Maximum length
- up to 15s
- Lip-sync
- lip-sync
MiniMax H3 Reference to Video
Reference to video
Nine references, 2K output — the premium way into a scene.
- Price
- from 20 cr / 5 s
- Maximum length
- up to 15s