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Extended 12s duration for full-body tracking
Official resolutions, durations, inputs and audio support in one table.
| Brand | ByteDance |
| Type | Video generation (Image / Text -> Video) |
| Max resolution | 480p · 720p · 1080p |
| Max duration | 4s · 8s · 12s (cap 12s) |
| Native audio | Supported |
| Inputs supported | image · text |
| Aspect ratios | 16:9 · 9:16 · 1:1 · 4:3 · 3:4 |
| Editorial rating | 4.0 / 5.0 |
| Credit range | 7 – 90 credits / job |
Seedance 1.5 Pro takes the core body-tracking engine from Seedance v1 and extends the duration. While most models cap out at 5 or 10 seconds, this model generates 12 consecutive seconds of motion natively. This makes it the go-to tool for TikTok dances, martial arts routines, and extended character blocking where you cannot afford a cut. It tracks limb structure exceptionally well across these longer durations without the arms melting back into the torso — a common failure point for other models past the 8-second mark.
12 seconds is exactly enough time to capture a full TikTok trending dance sequence in one take
Tracks fast, sweeping motions (kicks, sword swings) continuously without structural collapse
Following a character walking down a street or through an environment without needing to splice clips
Copy these prompts to use directly, or tweak them to fit your needs.
person performs a hip-hop dance routine, continuous sweeping moves, confident energy, camera tracks movements
Continuous hip-hop choreography
martial artist executes a fluid sword kata, spinning and slashing, full body visible
Complex martial arts sequence
woman walking purposefully down a crowded city street, camera tracking backward ahead of her
Extended walking tracking shot
This model needs to understand biomechanics. Upload an image where the feet meet the floor. Cut off feet = unpredictable floating.
Do not just write "dances." Break the action into a sequence: "spins twice, kicks high, lands in a crouch, stands and punches." It can handle the whole chain.
If you generate the source image with Grok or Midjourney first, give it a simple studio background or empty street. The less background clutter, the better the body tracking.
Because you have 12 seconds, you can string actions together logically. "Camera pans left THEN pushes in as subject jumps THEN lands."
camera tracks subject walking forward, THEN subject suddenly stops and turns around rapidly
The model understands varying energy levels. Words like "explosive," "sluggish," "fluid," or "robotic" drastically change the style of motion.
person performs a sluggish, exhausted forward walk, heavy footsteps, shoulders hunched
60 credits for 12 seconds. It is a higher price, but considering you are getting a full 12s continuous shot, the price-per-second is highly competitive.
Seedance 2.0 is the newer flagship. It adds 1080p and better textures but costs nearly triple. 1.5 Pro remains the sweet spot for budget-friendly long takes.
Kling Turbo maxes out at 10s but offers 1080p. Choose Kling for vehicle/camera action, choose Seedance 1.5 for sustained human choreography.
Seedance 1.5 Pro is best for Viral dance routines. Its strongest advantage is Unrivaled 12-second native generation out of the box, while the key limitation is Locked at 720p — no 1080p option available in this version. For lower iteration cost, validate prompts on free models first, then switch to this model for final renders.
Seedance 1.5 Pro vs Seedance 2.0
Seedance 2 wins on multimodal reference, audio, and multi-shot. Seedance 1.5 Pro still ships with a wider aspect-ratio set and lower credit floor for tests.
Seedance 1.5 Pro vs Seedance v1
Seedance 1.5 Pro adds smoother body motion and longer durations. Seedance v1 is the entry tier for ideation and fast concept tests.
Jump straight into the generator workspace, upload one photo, and test your first AI video now.