Turn one prompt into a full 30-second ad

Until recently, the AI video workflow was a stitching job.

Generate a handful of short clips, then assemble them by hand and hope the seams don’t show. But now you can plan a full 30-second video as a single sequence: hook, build-up, payoff, CTA.

That makes it immediately useful for ads, Shorts, Reels, TikToks, and product teasers.

The real upgrade isn’t the extra seconds, though. It’s that the logic of motion, characters, and scenes holds together across the whole runtime.

Do it now:

• Start with the goal: “30-second vertical product ad,” “cinematic brand film,” or “UGC-style social ad.”
• Map out the timeline: 0–5s hook, 5–15s action, 15–25s payoff, 25–30s ending and CTA.
• Define each section: Specify the action, the framing, and the camera movement.
• Add consistency rules: Same character, product, outfit, and lighting, plus realistic physics.
• Generate simple first: Layer in dialogue, effects, and complex choreography only once the core sequence holds.

Use our prompt and adapt it to your own needs:

The video follows the woman during the first day with her new favorite handbag. At first, she treats it simply as an elegant accessory. As the story progresses, however, it becomes increasingly clear that she is starting to care about it a little too much. The tone should include subtle, intelligent humor [read more…]

Pro tip: Seedance 2.5 will go up to 3 minutes if you need the room. Generation costs climb fast at that length, so save it for concepts that genuinely need the extra time to land.

Treat 50 references like a digital production set

One reference tells the model roughly what you’re after. A dozen well-chosen ones define an entire brand world.

Seedance 2.5 takes up to 50 multimodal inputs: images, videos, audio, storyboards, style references, product assets.

For teams that need the same character, product, and visual language holding steady across a run of videos, that’s the whole ballgame.

Step by step:

• Cover your character: Add 3–5 images from different angles: face, full body, profile, and outfit.
• Document the product: Upload a clean packshot, close-up details, packaging, and shots that make the proportions unmistakable.
• Set the scene: Add 2–3 environment references for the interior, location, time of day, and lighting.
• Reference the movement: Use a short video to show the motion or camera work you want.
• Order the story: Add a storyboard or keyframes when scene sequence matters.

Resist the urge to fill all 50 slots because they’re there. Fifteen references that agree with each other beat fifty that argue.

Use our base prompt and check the uploaded references (girl_front, girl_back, villa):

The woman reference images must be used as the primary character reference. Match the woman’s identity, face, blonde hair, body proportions, skin tone, clothing, and overall appearance closely to the attached images [read more…]

Official guide: ByteDance published an official Seedance 2.5 prompting guide. You can find it here.

Copy the motion, replace the world

This is arguably the most practical feature in the whole release.

Rather than wrestling complicated choreography into words, hand the model an existing video and let it read the motion, timing, composition, and camera work directly.

Then tell it what stays and what goes: the character, product, vehicle, interior, background, or anything else on the list.

It won’t copy frame for frame. It will rebuild a very similar scene structure with an entirely new visual layer on top.

Playbook:

• Upload your reference: Use a video you have the rights to, and define what stays: camera movement, pacing, motion, and the sequence of events.
• Supply the replacements: Add separate reference images for the new person, product, or location.
• Be explicit: “preserve the original camera movement, action timing and scene structure; replace only…”
• Lock the untouchables: Pin down shot duration, movement direction, and the timing of the final moment so the model doesn’t reinterpret them.
• Fix locally: When one element looks wrong, correct that object or character instead of regenerating the whole sequence.
• Test variations: Hold the motion and structure steady, then swap the product, character, hook, or setting.
• Ship and measure: Push several versions into your ad platforms and let the sales data pick the winner.

Generation costs depend on your current plan and how many credits each render uses, so check Dreamina’s latest pricing before running longer generations.

The one-take era starts here

Strip away the spec sheet and Seedance 2.5 comes down to three shifts worth acting on:

• One prompt, 30 seconds: Seedance 2.5 generates up to half a minute of consistent video from a single prompt, so complete ads, Shorts, and Reels no longer require stitching short clips together.
• Fifty references, one world: Feed it up to 50 assets, images, videos, audio, storyboards, to hold characters, products, locations, visual style, and camera movement exactly where you want them.
• Borrowed motion, new subject: An existing video becomes a template. Keep the timing, camera work, and scene structure, then swap the character, product, vehicle, or background.

Taken together, these turn video from a bottleneck into a variable you can test, and the teams that figure that out first will be the ones filling their ad accounts.