Wan 3.0 vs Seedance 2.5: Compare AI Video on ZMS AI

Wan 3.0 and Seedance 2.5: Same Workspace, Different Strengths

Wan 3.0 and Seedance 2.5 sit side by side in the same AI Video Generator workspace on ZMS AI, and on paper they look similar — both handle text-to-video, both accept image references, both go up to 30 seconds. The differences show up in the details: how high the resolution goes, how many references each one accepts, and how the three input modes on each model actually work. This comparison walks through what those differences mean for an actual shot.

Quick Comparison

Every figure here comes directly from the live output settings for each model in the ZMS AI workspace — not from external spec sheets, since both are running in the same product.

Where Wan 3.0 Pulls Ahead

Resolution ceiling. 1080p is the clearest difference — Seedance 2.5 tops out at 720p, so if a deliverable needs to hold up at a larger size or survive cropping, Wan 3.0 has more headroom.

Shorter minimum duration. Wan 3.0’s range starts at 2 seconds against Seedance 2.5’s 4-second floor. It’s a small gap, but it matters for a very short beat — a single gesture, a quick transition — where even 4 seconds runs slightly long.

Audio on by default. Wan 3.0’s Generate audio toggle defaults to on, which is one less setting to remember if sound is part of most of your shots. It’s easy to switch off for a silent draft, but the default nudges toward audio-included output.

Where Seedance 2.5 Pulls Ahead

Reference volume. This is the biggest gap between the two. Seedance 2.5 accepts up to 30 images or 10 videos in its image-or-video-reference mode; Wan 3.0’s mixed references mode caps out at 3. For a task that needs to hold a brand kit, a product line, or several character references consistent, Seedance 2.5 has an order of magnitude more room.

21:9 aspect ratio. Seedance 2.5 includes 21:9 alongside its other six ratios; Wan 3.0’s six options don’t include it. If the deliverable is a cinematic widescreen or an ultra-wide banner, that’s a ratio only Seedance 2.5 offers directly.

First-and-last-frame control. Seedance 2.5’s first-and-last-frame mode lets you set a required opening frame and an optional closing frame, giving you a defined start and end point for the motion in between. Wan 3.0’s image-to-video mode takes a single starting image without a matching “last frame” option.

Three Input Modes Each, Different Logic

Both models offer three ways to start a task, but they’re not the same three:

Wan 3.0: Text to video → Image to video → Mixed references (up to 3 images or clips, used as combined supporting material — no single one is treated as the literal first frame).

Seedance 2.5: Text to video → First-and-last-frame (a required opening frame, an optional closing frame) → Image or video reference (up to 30 images or 10 videos, not mixed).

The practical difference: if you need a clip that starts on an exact frame and ends on another exact frame, Seedance 2.5’s first-and-last-frame mode is built for that directly — Wan 3.0 doesn’t have an equivalent “last frame” input. If you need to hold a large set of brand or product references consistent across a shot, Seedance 2.5’s reference mode has far more capacity. If you’re working from a small handful of references — say, one identity shot and one style reference — Wan 3.0’s mixed references mode covers that without needing the larger ceiling.

Which One Fits Your Shot

Choose Wan 3.0 when:

• The deliverable needs 1080p rather than 720p

• The clip runs shorter than 4 seconds

• You want audio included by default rather than switched on manually

• You’re combining 3 or fewer references

Choose Seedance 2.5 when:

• You need a defined first and last frame for the same clip

• You’re holding more than 3 reference images or videos consistent across a shot

• The deliverable needs a 21:9 widescreen ratio

• The action needs the full 30-second range and a resolution ceiling of 720p is acceptable

For a lot of real briefs, the choice comes down to a single constraint — resolution or reference volume — rather than an overall “better” model. Since both live in the same workspace, switching between them for the same prompt takes one dropdown, not a new project.

How Prompting Differs

The core prompt structure — subject, setting, action over time, camera, and what must stay stable — works for both models, but a few things shift with the settings above.

On Wan 3.0, because resolution can go to 1080p, fine detail (label text, texture, small props) is more likely to survive into the final output, so it’s worth being specific about material and surface detail if the shot depends on it. With mixed references capped at 3, keep the prompt doing more of the descriptive work rather than leaning entirely on reference material to carry identity.

On Seedance 2.5, the first-and-last-frame mode benefits from a prompt that describes the transition between the two frames, not just the frames themselves — what happens in between is where the model has room to interpret, so naming the path (a slow push-in, a turn, a reveal) keeps that middle section purposeful. When using the larger reference set, assign each reference a specific role in the prompt — “keep the packaging design from reference one, the lighting mood from reference three” — the same discipline that keeps any large reference set from pulling the result in conflicting directions.

Use Cases Worth Planning For

A product shot that needs to survive a large print or a zoomed crop. Wan 3.0’s 1080p ceiling gives more room than Seedance 2.5’s 720p cap.

A campaign built from a full brand kit — a dozen product angles, several lifestyle shots, a logo file. Seedance 2.5’s 30-image reference limit comfortably holds all of it in one task; Wan 3.0’s 3-reference cap would require picking just a few.

A clip that needs to open on one exact frame and close on another. Seedance 2.5’s first-and-last-frame mode is built for this directly.

A quick 2–3 second transition or sting. Wan 3.0’s lower duration floor fits this more naturally than Seedance 2.5’s 4-second minimum.

A cinematic 21:9 sequence for a landing page hero. Seedance 2.5 offers the ratio directly; Wan 3.0 would need adaptive framing or a crop afterward.

FAQ

Are both Wan 3.0 and Seedance 2.5 available on ZMS AI right now? Yes. Both are live in the AI Video Generator workspace, selectable from the same Models dropdown alongside Veo.

Which one has the higher resolution? Wan 3.0, at up to 1080p. Seedance 2.5 tops out at 720p.

Which one accepts more reference images? Seedance 2.5, by a wide margin — up to 30 images or 10 videos, against Wan 3.0’s 3-reference cap in mixed references mode.

Can either model take a defined first and last frame? Seedance 2.5 can — its first-and-last-frame mode accepts a required opening frame and an optional closing frame. Wan 3.0’s image-to-video mode takes only a single starting image.

Is audio generation available on both? Yes, both offer a Generate audio / audio-generation toggle. Wan 3.0’s defaults to on; check the toggle state before generating on either model if you have a specific requirement.

Which model should I use for a 20-second shot with several brand references? Seedance 2.5 — the duration range covers it and the reference limit holds a larger set of assets consistent across the clip.

Try Both on ZMS AI

Open the AI Video Generator on ZMS AI and switch between Wan 3.0 and Seedance 2.5 for the same prompt — the fastest way to see which one’s tradeoffs actually match your shot. For a full walkthrough of either model’s controls, see the Wan 3.0 guide or the Seedance 2.5 guide.