Seedance is a serious AI video tool — native 4K, synchronized audio, multi-shot sequences. Good for developers and production teams; too expensive for casual use at high resolution.
BytePlus Seedance (latest: 2.0 / 2.5) generates video from text, image, or video input via API. Pricing starts at $0.04/second (Standard 480p) and goes up to $0.78/second for native 4K. A 5-second clip costs $0.20–$3.90 depending on quality tier. The standout features — Character Lock for consistent subjects and native 4K output — are genuinely rare. The limitation: this is API-only and costs add up fast at higher resolutions.
What is Seedance?
Seedance is ByteDance's AI video generation model, available via BytePlus ModelArk — the same platform that hosts Seedream 5.0 for images. It accepts text prompts, images, videos, and audio as inputs and outputs video clips with synchronized audio.
The current generation is Seedance 2.0, with Seedance 2.5 in API access as of late 2026. Earlier versions (1.0, 1.0 Lite, 1.0 Pro) remain available but cap at 1080p.
Key Features
- Native 4K output (3840×2160) — rendered at full resolution, not upscaled from lower res
- Synchronized audio and dialogue — generates audio that matches the video content automatically
- Multi-shot sequences — automatic narrative planner creates coherent multi-scene videos
- Character Lock — maintains consistent character appearance across different scenes in a sequence
- Multi-modal input — accepts text, image, video, and audio as inputs for more control
- Governance tools — Private Trusted Asset Library for verified real-person likenesses; Copyright IP License system for rights-holders
- Three speed/quality tiers — Standard (best quality), Fast (balanced), Mini (low-cost)
Pricing (Verified October 2026)
Seedance 2.0 is billed per second of generated video via BytePlus ModelArk API. Prices vary by resolution and model tier.
| Resolution | Standard (best quality) | Fast (balanced) | Mini (low cost) |
|---|---|---|---|
| 480p | $0.07 / sec | $0.06 / sec | $0.04 / sec |
| 720p | $0.15 / sec | $0.12 / sec | $0.08 / sec |
| 1080p | $0.37 / sec | — | — |
| 4K (2160p) | $0.78 / sec | — | — |
⚠ Source: BytePlus official product page, verified October 2026. Prices are for 16:9, 24 fps via BytePlus ModelArk API. 1080p and 4K only available on Standard tier. Always confirm on the BytePlus pricing page before budgeting.
What Does a Clip Actually Cost?
Real-cost examples (Seedance 2.0, 16:9, 24 fps)
For context: generating 100 short clips (5 sec) at Mini 480p costs $20. The same 100 clips at Standard 4K cost $390. Budget carefully before running at scale.
Standard vs Fast vs Mini — Which Tier?
Standard: Best output quality. The only tier that supports 1080p and 4K. Use it for final production, client deliverables, or when resolution matters. Slowest generation speed.
Fast: Good balance of speed and quality, up to 720p. Best for preview generation, A/B testing prompts, or workflows where you generate many drafts before committing to Standard.
Mini: Lowest cost ($0.04–$0.08/sec), up to 720p. Good for high-volume or low-stakes content: social media clips, thumbnails with motion, internal previews. Not for final 4K deliverables.
Pros
- Native 4K (not upscaled)
- Synchronized audio generation
- Character Lock for scene consistency
- Multi-modal input (text/image/video/audio)
- Three tiers for different budgets
- Governance tools for commercial use
Cons
- API-only — no consumer web UI
- 4K/1080p only on Standard tier
- Expensive at scale in high resolution
- Requires BytePlus business account
- Seedance 2.5 pricing not fully public
Who Should Use Seedance?
Good fit: Developers building video pipelines, agencies creating client videos at scale, production teams that need reliable 4K output with consistent characters across scenes.
Not a fit: Casual users who want to experiment with 10–20 clips. At $0.35–$3.90 per clip, the cost adds up quickly for hobbyists. Tools like Runway or Kling AI offer web UIs with subscription models that are friendlier for individual creators.
How to Access Seedance via BytePlus ModelArk
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1
Create a BytePlus account at byteplus.com (business email + phone verification required).
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2
Open ModelArk in the BytePlus console and find Seedance in the model catalog.
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3
Enable the tier you need (Standard, Fast, or Mini) and generate an API key.
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4
Set a spending limit before your first run — video generation is easy to over-consume.
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5
Make your first API call — send a text prompt or image input and receive a video URL in response.
Try Seedance on BytePlus ModelArk
Access Seedance 2.0 (Standard, Fast, Mini) and Seedance 2.5 via the BytePlus API. New accounts may have trial credits.
Get Started with BytePlus →⚠ Affiliate link — we may earn a commission if you sign up. No extra cost to you.
Bottom Line
Seedance stands out for native 4K output, synchronized audio, and Character Lock — features that are genuinely ahead of most competitors. The API-first approach and per-second pricing make it a better fit for production pipelines than for casual use. If you're building something, the Mini tier at $0.04/sec is a reasonable starting point. If you need 4K for client work, the cost is in line with the quality you get.
Prices verified from BytePlus official product page. Last updated: October 15, 2026. Seedance 2.5 pricing was not publicly available in full at time of writing — check the BytePlus ModelArk console for current rates. Found an error? Let us know.