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Seedance 1.0 Pro: how to write prompts the model actually understands

ByteDance · Updated:

Seedance 1.0 Pro is the full-featured first-generation video model from ByteDance on the 即梦 (Jimeng) platform. It produces 5 or 10 second clips at 720p/1080p, 24fps, and accepts text or one image for Image-to-Video. It is strong on multi-shot with camera switching, but it does not understand @-references, sound, or negative prompts — those all arrived in 2.0.

What 1.0 Pro can and cannot do

1.0 Pro is the «short, fast, reliable» video generator. Duration is locked at 5 or 10 seconds — no 7 or 12. Resolution is 720p or 1080p, FPS is always 24. Inputs are text or one image for I2V. Pro is faster than 2.0 and more stable on simple scenes.

First-generation limits apply across the 1.0 line: no @-references (only a single unprefixed image), no Consistency Control between runs, no sound control, no video extension, no second-by-second storyboarding. Negative prompts do not work at all — the model ignores them or breaks on them.

The strong suit is multi-shot with camera switching: «Cut to», «Camera cut to», «Camera switching» inside a 10-second clip work more reliably than in 1.0 Lite.

  • Duration locked: 5 or 10 seconds
  • Resolution 720p / 1080p, 24fps
  • Input: text or 1 image (I2V)
  • Multi-shot with camera switching works
  • Negative prompts do NOT work

Prompt structure

Canonical formula: `[Subject] + [Action] + [Scene] + [Camera] + [Style]`. The core is subject, action, scene. Camera and style amplify but do not replace the core.

For Text-to-Video: «Subject + Motion + Scene + Camera + Style». For Image-to-Video the key is dynamics, not static description: «Subject + Motion, Background + Motion, Camera + Motion». An I2V prompt that describes what is already visible in the reference leaves the model guessing about what should move.

Always specify **fixed camera** for a locked-off shot or **non-fixed camera** for any movement. Without it the model picks unpredictably. Base parameters — resolution, aspect ratio, duration — go at the end: «Non-fixed camera, 720p, 9:16, 5s».

Camera switching and multi-shot

The main feature 1.0 Pro has over Lite is the ability to switch shots inside a single video. Key phrases: «Cut to», «Camera cut to», «Camera switching». In a 10-second clip you can fit 2–3 shots.

Documentation example: «Panoramic shooting, the model approaches with a smile. Camera switching, close-up of the lower body, the straight design of the pants and the drape of the fabric are highlighted while walking.» One prompt describes a wide shot → switch → tight shot of the lower half.

On a scene cut via «Cut to» — describe the new scene in words after the switch, do not leave «Cut to.» hanging. There has to be a logical link between shots, otherwise the model produces a hard discontinuity.

Intensity adverbs

Without explicit intensity 1.0 Pro renders «medium» motion — slow, smooth, no energy. To get dynamics you need adverbs: fast, intense, large, high frequency, strong, crazy, quickly.

Examples: «car quickly passing by» instead of «car passing by» actually delivers a fast drive-by. «Wings flapping wildly» instead of «wings flapping» — wings working at full power. «Crazy fast camera dolly-in» instead of «camera dolly-in» — a sharp push-in.

Adverbs work both on camera moves and on character actions. This is the cheapest way to wake up a sluggish clip — add 2–3 adverbs at key moments.

Common mistakes

  1. 1. Negative prompts in 1.0 Pro

    «No watermark», «no cartoon», «without blur» — 1.0 Pro either ignores these or breaks on them. Rule: state what to show, not what to hide. Instead of «not cartoonish» → «photorealistic, film grain». Instead of «no text» → describe scenes without surfaces for text.

  2. 2. @-reference syntax

    @image1, @video1, @audio1 are all from 2.0. 1.0 Pro doesn't have them: a single image input without a prefix for I2V, and that's it. A prompt written with @-syntax leaks the tokens into the text as garbage and quality drops.

  3. 3. Asking for 7, 12, or 15 seconds

    Duration is locked to 5 or 10 seconds. No in-between options. «Make an 8-second clip» either gets cropped to 5 or stretched to 10 with weird pacing. If you need 15, that's 2.0 or New.

  4. 4. I2V prompt describes what is already in the photo

    If the reference shows a car and the prompt says «red car on a road», the model has no idea what should move. I2V formula: «Subject + Motion, Background + Motion, Camera + Motion». Describe the dynamics — what accelerates, what rotates, where the light flies.

  5. 5. Second-style timestamps like «0-3s / 4-8s»

    Timestamp storyboarding arrived in 2.0. 1.0 Pro does not parse «0-3s» or «4-8s» as structure. For multi-shot use «Cut to» and «Camera switching» with an explicit description of each shot.

Before / after examples

Example 1

Before

beautiful model in a dress walking

After

Full-body shot of a young woman in a long red silk dress walking down a marble corridor. She turns slightly toward the camera with a confident smile. Panoramic shooting, slow tracking shot following her movement. Camera switching, close-up of the dress fabric drape and her hand brushing the silk. Soft natural daylight from tall windows on the right, golden hour warm tones. Non-fixed camera, 1080p, 9:16, 10s.

Key change: concrete action verbs, camera switching between wide and tight, an explicit «non-fixed camera» tag and base parameters at the end. This is a textbook fashion prompt that plays to 1.0 Pro's strengths.

Example 2

Before

don't make it cartoonish, no text and no watermarks

After

Cinematic close-up of a steaming espresso cup on a dark wooden table in a softly lit café. Steam rises slowly, light catches the foam surface. Camera slowly orbits around the cup, ending on a side angle that reveals the latte art. Warm tungsten lighting, shallow depth of field, film grain. Non-fixed camera, 1080p, 16:9, 5s.

Negative prompts simply do not work in 1.0 Pro. Instead of «don't make it cartoonish», state the positive: «cinematic», «film grain», «shallow depth of field». Instead of «no text», describe a scene that has no surfaces text could land on.

Example 3

Before

animate my car photo

After

The sports car quickly accelerates from a standstill on the wet asphalt road. Tires spin briefly, water spray rises from behind. Camera follows from a low rear-tracking angle, then switches to a side shot showing the full car body in motion. Headlights glow in the dim evening light, reflections on the wet road. Non-fixed camera, 1080p, 16:9, 5s.

An I2V prompt has to describe MOTION, not the car — the car is already in the reference. What accelerates, how the camera moves, where the spray flies, what the wet road reflects. The adverb «quickly» saves the shot from a sluggish drive-by.

Frequently asked

How is 1.0 Pro different from 1.0 Lite?
Pro has more parameters, 1080p support (Lite is 720p only), better generation quality, and tighter adherence to complex prompts. But the first-generation architectural limits are shared: no @-references, no sound, no negative prompts, no timestamp storyboarding. Pro is «better Lite», not «small 2.0».
Should I use 1.0 Pro instead of 2.0?
Yes in three cases: maximum speed on a simple prompt (5-second product shot, fashion walk-by, atmospheric shot), no need for @-references and sound, and a desire to save on generation cost. For long narratives, multi-character scenes, video extension, and cinematic prompts with emotional arcs — you need 2.0 or New.
Why do my negative prompts not work?
1.0 Pro does not support negative prompts at the model level — this is not a platform bug, it is an architectural limit. Basic support for simple bans arrived in 1.5 Pro, fuller support in 2.0. The fix is to phrase everything positively. «No watermark» → «clean composition». «No cartoon» → «photorealistic, cinematic».
What is «collapse» in 1.0 Pro?
Collapse is when the model breaks on a hard prompt: morphs faces, duplicates limbs, loses motion logic. It is a known first-generation phenomenon. The recommended fix is to simply regenerate with the same prompt 2–3 times; one attempt usually goes through cleanly. Simplifying the prompt and removing conflicting camera moves also helps.
Can I clone camera moves from a reference video?
No, copying camera from @video only arrived in 2.0. In 1.0 Pro you can only describe camera moves in words: «slow tracking shot», «orbit around the subject», «handheld follow». If you need a specific pattern from an existing reel, spell it out in text — what shot size, what movement, what angle.
Does 1.0 Pro support multi-character scenes?
It supports them at a basic level — the model can render two-character interactions, and there are working examples like «The woman was crying and drinking when a man came in to comfort her». But without @-references there is no way to guarantee identical appearance between separate generations. For serious multi-character work with consistency you need 2.0.
Does Opten support Seedance 1.0 Pro?
Yes, the Opten extension detects Seedance 1.0 Pro inside syntx.ai and scores prompts against the first-generation structure: it checks for subject, action, scene, and camera, the presence of fixed/non-fixed camera, correct camera switching, the absence of non-working negative prompts and @-syntax. One click gives you a rewrite adapted to what 1.0 Pro can actually do.

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