Seedance 2.5 AI Video Generator
ByteDance's Flagship Video Model — Up to 30 Seconds, Three Ways to Create
Seedance 2.5 is ByteDance's flagship video generation model. Turn a text prompt, a single image, or a set of reference images and clips into a polished video with synchronized audio — sound effects, ambience, and lip-synced speech — generated at no extra cost. Choose 480p for speed or 720p for quality, set durations from 4 to 30 seconds (or let Auto decide from your prompt), and pick from seven aspect ratios in text and reference modes.
Seedance 2.5 doubles the maximum duration of previous Seedance models to 30 seconds, enough for a complete scene in a single take. Image-to-video animates a starting frame and can interpolate to an optional end frame for controlled transitions, with the output following your image's aspect ratio. Reference-to-video scales up dramatically: cite up to 30 reference images as @Image1, @Image2 in your prompt, and add up to 10 reference videos and 10 reference audio tracks (50 files max) to carry characters, styles, motion, and sound across generations. There's no subscription — you pay only for what you generate.
How to Use Seedance 2.5
Step 1: Pick Your Mode
Choose Text to generate from a prompt, Image to animate a photo (with an optional end frame), or Reference to guide the video with up to 30 images plus reference video and audio.
Step 2: Write Your Prompt & Settings
Describe the motion and scene, then set resolution (480p/720p), duration (4–30s or Auto), aspect ratio, and whether to generate synchronized audio.
Step 3: Generate and Download
Click generate and let Seedance 2.5 render your video with native audio. Preview it in the browser and download the MP4 when it's ready.
Seedance 2.5 Technical Specifications
| Provider | ByteDance |
| Release Date | August 2026 |
| Resolutions | 480p, 720p |
| Video Duration | 4–30 seconds (or Auto) |
| Aspect Ratios | 21:9, 16:9, 4:3, 1:1, 3:4, 9:16, Auto (text & reference; image mode follows your image) |
| Audio Generation | Native synchronized audio (on by default) |
| Input Modes | Text-to-video, Image-to-video (first/last frame), Reference-to-video |
| Reference Inputs | Up to 30 images, 10 videos, 10 audio (≤50 total) |
Why Choose Seedance 2.5
Up to 30 Seconds per Clip
Twice the duration of previous Seedance models — enough for a full scene, product story, or dialogue exchange in a single generation, with an Auto mode that fits the length to your prompt.
Native Synchronized Audio
Every video ships with AI-generated audio — sound effects, ambience, and lip-synced speech — perfectly aligned to the visuals at no additional cost.
Deep Reference Control
Steer the result with up to 30 reference images cited as @Image1, @Image2 in your prompt, plus up to 10 reference videos and 10 audio tracks for consistent characters, styles, motion, and sound.
Seedance 2.5 vs Other AI Video Generators
| Feature | Seedance 2.5 | Seedance 2.0 | Seedance 2.0 Mini | MiniMax H3 |
|---|---|---|---|---|
| Provider | ByteDance | ByteDance | ByteDance | MiniMax |
| Max Resolution | 720p | 720p | 720p | 2K |
| Max Duration | 30s | 15s | 15s | 15s |
| Native Audio | Yes | Yes | Yes | Via audio references |
| Input Modes | Text, Image, Reference | Text, Image | Text, Image, Reference | Text, Image, Reference |
| Best For | Long clips & fidelity | Quality & web search | Speed & cost | 2K detail & realism |
What You Can Create with Seedance 2.5
Short Films & Story Scenes
Use 30-second durations to play out complete scenes with dialogue, ambience, and continuous motion — no stitching required.
Social Media Content
Spin up TikToks, Reels, and Shorts with cinematic motion and built-in audio, from quick 4s loops to full 30s stories.
Product & Ad Clips
Animate product photos into promos with first/last-frame control and synchronized sound.
Character Consistency
Keep a character or style consistent across a whole series with up to 30 reference images and @Image citations.
Sound-Driven Clips
Provide reference audio alongside images or video to guide mood, rhythm, and ambience.
Storyboards & Previz
Quickly visualize scenes and shots from text prompts before committing to a full production.
Explore Related AI Video Generators
Seedance 2.0
Previous-generation Seedance with synchronized audio, web search, and up to 15s duration.
Seedance 2.0 Mini
ByteDance's faster, lower-cost video model with text, image & reference modes and native audio.
MiniMax H3
MiniMax's frontier Hailuo 03 — 2K text, image & reference to video, up to 15s.
Kling 3.0
Director-grade video with multi-shot AI and native audio.
Veo 3.1
Google DeepMind's advanced video model with resolution control.
Sora 2
OpenAI's advanced text-to-video model.
Seedance 2.5 FAQ
What is Seedance 2.5?
Seedance 2.5 is ByteDance's flagship AI video model. It generates videos from text, a single image, or reference media, with native synchronized audio at 480p or 720p and durations from 4 to 30 seconds — double the length of previous Seedance models.
How is Seedance 2.5 different from Seedance 2.0 and Mini?
Seedance 2.5 extends the maximum duration from 15 to 30 seconds, adds an Auto duration that fits the length to your prompt, and greatly expands reference capacity — up to 30 reference images, 10 videos, and 10 audio tracks versus 9/3/3 before — while improving motion quality and consistency.
What input modes does it support?
Three: text-to-video (generate from a prompt), image-to-video (animate a starting frame with an optional end frame), and reference-to-video (guide the result with up to 30 reference images plus up to 10 reference videos and 10 reference audio tracks, 50 files max).
Does it generate audio?
Yes. Synchronized audio — including sound effects, ambience, and lip-synced speech — is generated by default at no extra cost. You can turn it off if you only need video.
What resolutions, durations, and aspect ratios are available?
Resolutions are 480p (fastest) and 720p. Durations run from 4 to 30 seconds, or Auto. In text and reference modes, aspect ratios include 21:9, 16:9, 4:3, 1:1, 3:4, 9:16, and Auto; in image mode the video follows your image's aspect ratio.
How does pricing work?
There's no subscription — you pay per generation with credits. Cost scales with resolution and duration, so shorter 480p clips cost less than longer 720p videos.