What is Seedance 2.0? The AI video model, explained (2026).

Seedance 2.0 is ByteDance's second-generation video foundation model. It converts a still image, a reference clip, or a text prompt into a 4–15 second video at resolutions up to 1080p. It sits in the same weight class as Kling 2.0 and Wan 2.1 — meaning it's a capable production model, not a research demo.

If you searched "what is Seedance 2" expecting a simple answer: that's it. The sections below go deeper for anyone who wants to understand how it works, what it's good at, and how to access it without setting up a ByteDance API account.

What Seedance 2.0 actually does

Seedance 2.0 is multimodal — it handles several input types and can combine them in a single generation (the model accepts up to a dozen assets across modalities):

• Image-to-video — upload a still image and describe the motion. The model animates the scene while preserving the visual style and subject from your source.
• Reference-to-video— provide a short clip as a motion or style reference. Useful when you want a specific camera move or pacing that's hard to describe in text.
• Audio reference — supply audio to guide timing or sync; 2.0 can also generate its own synchronized audio alongside the video.
• Text-to-video — a pure prompt-driven mode. Describe a scene and the model generates it from scratch.

Output length is typically 4–15 seconds per generation. You can stitch clips in post — Seedance 2 is a clip generator, not a long-form video model.

How Seedance 2.0 compares to other models

Seedance 2.0's primary advantage is how well it preserves reference content — if you feed it a product photo or a character still, the output stays visually close to the source. Models with stronger "imagination" (like Veo or Sora) tend to drift further from the input image, which is a trade-off depending on your use case.

What Seedance 2.0 is used for

Based on how creators actually use it:

• Product animation — animate a product image for e-commerce ads or social posts without a full studio shoot.
• Character consistency — use a character reference image to generate multiple clips with the same look.
• B-roll from stills — convert photography into motion footage for documentary or editorial projects.
• Concept visualization — rapid prototyping when a written brief needs a visual reference.

Limitations to know

Like all current-generation video models, Seedance 2.0 has failure modes:

• Hand and finger rendering degrades in complex motion sequences.
• Text in frame is unreliable — don't use it to animate readable signage.
• Physics simulation is approximate; water and cloth behave better than mechanical parts.
• 15-second outputs at high resolution consume more compute than 4-second clips — factor this into credit budgeting.

How to run Seedance 2.0 without a ByteDance API account

ByteDance distributes Seedance 2.0 through its API, which requires account setup and billing configuration. If you want access without that friction, getvivix includes Seedance 2.0 as part of its 100+ model bundle — one subscription, one dashboard, credit cost shown before every generation.

getvivix is not a ByteDance product. It's a multi-model studio that pools access to Seedance 2.0 alongside Sora, Veo, Kling, Runway, and others. The Free tier gives you trial credits on signup with no card required.

Frequently asked

Is Seedance 2.0 free?

ByteDance doesn't offer a free tier on its production API. Via getvivix, you get a small free credit allotment on signup to test Seedance 2.0 without paying upfront. Paid getvivix tiers start at $10/mo for 10,000 credits.

Is Seedance 2 the same as Seaweed?

Seaweed is an older ByteDance video research model. Seedance 2.0 is the production successor — trained differently and not the same weights.

Can Seedance 2.0 generate audio?

Yes — and that's one of the things separating 2.0 from earlier video models. Seedance 2.0 is multimodal: it can generate video with synchronized native audio (dialogue, ambient sound, and effects), and it also accepts reference audio as an input to guide the result. Veo 3.1 is another model with native audio; many older video models still output silent clips.

What's the resolution output?

Seedance 2.0 supports up to 1080p. Lower-resolution outputs (720p) cost fewer credits and render faster — useful for drafts before committing to a full-quality generation.

Try getvivix free — run Seedance 2.0 alongside 100+ other models, see the credit cost before every generation, no card required.