There is no model called "sketch to video." What exists is image-to-video, and a sketch is an image — so the drawing goes in the same slot a photo would, and ten models here accept it.
That is the whole mechanism. The useful part is knowing which model to hand it to, what a drawing gives the model less of than a photo does, and how to make up the difference in the prompt. Last updated July 2026.
TL;DR — sketch to video with AI
- No dedicated sketch model exists here. A sketch is an image input; image-to-video does the rest.
- Every video tier accepts image input, from the 70-credit Lite tier up to Kling 3.0 Omni — a sketch can go into any of them.
- Uploading a sketch costs nothing extra — the per-second rate is identical whether you start from text or from your drawing.
- Cheapest test: 75 credits on Kling O3, about $0.60 on an annual plan.
- A sketch gives the model less than a photo does — no texture, no lighting, no depth. The prompt has to supply what the lines leave out.
Upload a sketch and see the credit cost before rendering →
What a sketch to video ai workflow actually is
Four steps, and none of them involve a special mode:
- Draw or scan the sketch. JPG or PNG. The published image limits on the models that state them run 340–3850 pixels and under 10MB, so a scan or an evenly lit phone photo of paper both clear the bar comfortably.
- Upload the sketch as the image input. Same field a photograph would go in.
- Write the prompt for what the lines do not say — material, colour, lighting, and the motion you want. This is the step that decides the result.
- Pick a model and render. Costs are below.
The reason there is no dedicated sketch model is that a sketch does not need one. The image encoder does not care whether the pixels came from a camera or a pen; it cares how much information they carry. Which leads to the real constraint.
Why a sketch is harder than a photo
A photograph hands the model texture, lighting direction, depth cues, and material properties in every pixel. A sketch hands it edges and white space.
Everything the photo would have supplied, the model now has to invent — and it will invent something, whether or not it matches what you had in mind. That is not a flaw in the model; it is the arithmetic of how much you gave it.
Two consequences worth planning around:
- The prompt carries far more weight with a sketch. With a photo you can write "make it move." With a sketch you are also specifying what it is made of, what colour it is, where the light comes from, and what the background is.
- Line weight and contrast matter. Clean dark lines on a white background read more reliably than faint pencil, and a scan beats a photo of paper at an angle.
We have not benchmarked sketch input against photo input and are not going to publish a success rate we did not measure. What we can state is the mechanism and the cost of finding out.
Which model for a sketch to video ai run
Rates read from the live credit function. Image input is JPG or PNG; the models that publish limits state 340–3850px and under 10MB.
The order to work through them:
Start on Kling O3 at 15 credits/second — 75 credits for a 5-second clip, the cheapest image-to-video here and fast enough to iterate on wording. If the result is unusable you are out about $0.60.
Kling 3.0 Fast at 90 credits is the flat-price alternative: billed per generation rather than per second, which is simpler to budget when you are running many attempts — and it returns a 1080p clip with audio.
One thing changed in August 2026: the Lite tiers now accept image input. Kling 3.0 Lite takes a sketch for a flat 70 credits (Kling 4.0 Lite: 75) — which makes them the cheapest way on the pricing page to put a sketch in motion.
Finish on Kling 3.0 at 35 credits/second when the shot is worth the quality, or when you need native 4K.
Reach for Kling 3.0 Omni at 45 credits/second only if you are also feeding reference images — up to 7 of them — to pin down a character's appearance across several shots. For a single sketch it is paying for capability you left switched off.
Full rates are on the pricing page, and the credit system is explained in the Kling AI pricing guide.
Making the prompt do the sketch's work
Since a sketch is short on information, the prompt is where you put it back. A useful order:
- What it is made of. "Painted wood", "brushed steel", "soft cotton" — material implies texture, which the lines do not.
- Colour, unless the drawing is already coloured.
- Lighting. Direction and quality: "late afternoon sun from the left", "flat studio light".
- The motion. What moves, how fast, and whether the camera moves too.
- The background, if the drawing has none — otherwise the model picks one.
A sketch plus "make it move" will produce a video. The same sketch plus those five specifics produces something closer to what you drew it for.
When a sketch is the wrong starting point
Being honest about the boundary saves credits:
- If you have a photo of the same subject, use the photo. More information in, more predictable out.
- If the sketch is a rough thumbnail, generate a still image from it first and animate that. Two cheap steps beat one expensive miss.
- If you want a specific character to recur across shots, one sketch will not hold identity between generations. That is what Kling 3.0 Omni's reference images are for.
- If the subject is a person who should speak, animating a drawn portrait to audio is Kling Avatar V2's job — it handles illustrated and anime faces, not just photographs, at 10 credits/second.
FAQ
Can AI turn a sketch into a video?
Yes, through image-to-video: the sketch goes in as the image input and the model animates it. There is no separate sketch mode — ten models here accept image input, and a drawing goes in the same field a photograph would.
Is there a dedicated sketch to video ai model?
Not here, and the absence is not a limitation. The image encoder treats a drawing as pixels like any other image, so a dedicated model would do the same job under a different name. What changes with a sketch is how much information the model receives, not which mode you select.
How much does it cost to turn a sketch into video?
From 75 credits on Kling O3 for a 5-second clip — about $0.60 on an annual plan — up to 225 on Kling 3.0 Omni. Kling 3.0 Fast is 90 credits billed per generation. Uploading the sketch adds nothing to the rate. The Lite tiers are cheaper still — a flat 70 credits with a sketch as input.
What format and size does the sketch need to be?
JPG or PNG. The models that publish limits state 340–3850 pixels and under 10MB — a scan or a well-lit phone photo of paper both clear that easily, and even lighting matters more than resolution.
Why does my sketch produce unexpected results?
Because a sketch carries no texture, lighting or depth, the model invents them. Anything you do not specify in the prompt gets filled in by the model's own guess. Adding material, colour, lighting direction and background to the prompt is what closes that gap.
Should I colour the sketch first?
It helps, because colour is one less thing the model has to invent — but it is not required. An alternative is to generate a coloured still image from the line art first, then animate that image, which splits an uncertain step into two cheaper ones.
Can I animate a hand-drawn character consistently across several clips?
Not from one sketch alone — identity drifts between generations. Kling 3.0 Omni accepts up to 7 reference images to hold appearance steady across shots, which is the mechanism built for exactly that.
Start with the cheapest sketch test
The useful habit with a sketch is to find out early and cheaply whether it carries enough information, rather than to reason about it. Seventy-five credits answers the question.
Upload your sketch to the generator → · Compare the models → · See credit costs →
