Last updated 08-31-2026
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Seedance 2 AI
Seedance 2 AI is a multimodal video generator that turns text, images, video clips, and audio into short cinematic clips. The web app at seevio.ai runs ByteDance Seedance 2.5 and 2.0 models with text-to-video, image-to-video, and reference-to-video modes. You pick resolution up to 1080p on 2.5, set duration, and download watermark-free output on paid plans.
Most AI video tools start from a text box and maybe one reference image. Seedance 2 AI is built around tagged multimodal references instead. On Seedance 2.5 you can feed up to 50 materials (30 images, 10 videos, 10 audio files) and point the model at motion, camera work, or style from specific uploads. That trades a simple prompt workflow for tighter control when you already have reference footage or brand assets.
The product targets creators, marketers, and video producers who need reference-driven clips rather than one-shot generations. Social teams can batch up to 10 videos per run, extend existing footage, or sync output to uploaded audio. Developers can wire the same models through the REST API at api.seevio.ai with async tasks and webhooks.
Seedance 2.5 outputs 4 to 30 second clips at 480p, 720p, or 1080p with optional native audio
Reference-to-video accepts up to 50 materials: 30 images, 10 videos, and 10 audio files on Seedance 2.5
Batch generation creates up to 10 videos in one run using the same prompt and settings
REST API at api.seevio.ai supports async tasks, webhooks, and per-task credit reservations
Seedance 2.0 variants still offer 4K output and credit rates from 3 credits per second on the Mini tier at 480p
Prompts accept up to 5000 characters with aspect ratios including 16:9, 9:16, 1:1, and 21:9
Reference-to-video lets you tag uploaded motion, camera work, and style instead of relying on long text prompts alone.
Seedance 2.5 stretches single generations to 30 seconds with optional native audio in one pass.
A documented REST API with webhooks and reserved credits fits production pipelines beyond the browser UI.
Subscriptions start at $14.90 per month with no advertised free tier on the pricing page.
Seedance 2.0 reference mode caps at 9 images and 3 videos, well below the 50-material limit on Seedance 2.5.
API docs recommend polling no more than once every 10 seconds, which can slow simple integrations without webhooks.
What inputs does Seedance 2 AI accept?
Seedance 2 AI supports text prompts plus image, video, and audio references. On Seedance 2.5, reference-to-video allows up to 30 images, 10 videos (2 to 30 seconds each), and 10 audio files, with 50 materials total across types.
How long can Seedance 2 AI videos be?
Seedance 2 AI generates Seedance 2.5 clips from 4 to 30 seconds in one pass. Seedance 2.0 models on the same platform cap single generations at 4 to 15 seconds, with extension workflows described on the site.
Does Seedance 2 AI have an API?
Yes. Seedance 2 AI exposes Seedance 2.5 and 2.0 through a REST API at api.seevio.ai. You create tasks with POST /v1/videos/generations, poll GET /v1/tasks/:id, or pass a callback_url for webhook delivery.
How much does Seedance 2 AI cost?
Seedance 2 AI subscriptions start at $14.90 per month for the Basic plan with 800 monthly credits. One-time credit packs begin at $39.90 for 1000 credits, and per-second model rates are listed on the pricing page.
Are Seedance 2 AI downloads watermark-free?
Yes. Seedance 2 AI states that videos generated on the platform are watermark-free on paid plans, and the API accepts a watermark flag set to false for programmatic generation.
What resolutions does Seedance 2 AI support?
Seedance 2 AI supports 480p, 720p, and 1080p on Seedance 2.5 through the web UI and API. Seedance 2.0 tiers on the same site also list 4K output on the standard 2.0 model.