Seedance 2.5 specs
Longer clips, sound in the same pass and the same face from the first frame to the last
30s
One continuous clip from one prompt, with no stitching
1080p
Full HD output
21:9
Cinema widescreen, down to 9:16
Sound built in
Dialogue, effects and music made with the picture, lips in sync with the words
1,156
Artificial Analysis text-to-video score, up from 1,136 for Seedance 2.0
First and last frame
Set where the shot starts and where it ends
Consistent
Faces, clothes and light stay the same through the whole clip
What you can make with Seedance 2.5
Ads, short films and posts for every screen, with the sound already in the clip
Product ads Splashes, pours and slow turns around your product, with the sound of every drop
Short films A 30-second scene with the same characters, the same light and their lines in sync
Social media POV shots and vlog scenes in 21:9 for YouTube or in 9:16 for Reels and TikTok
Why use Seedance 2.5 on Overchat AI
One account for Seedance 2.5 and every other top video and image model, with free credits every day
Every top video model in one place
Kling 4.0, Flux 3 Max, Grok Imagine and MiniMax H3 are in the same menu, on one subscription
Compare models side by side
Run one prompt on several models at once and keep the best take
Start from a picture
Make the first frame with GPT Image 2.5 or Nano Banana 2.1 in the same app, then animate it
All your videos in one history
Every clip keeps its prompt and settings, on the web and in the iOS and Android apps
How to use Seedance 2.5
Make a Seedance 2.5 video in three steps, right on this page
- 01
Describe the scene
Write who is in the shot, what happens, where and how the camera moves. Put any line of dialogue in quotes and name the sounds you want. To animate a picture, switch to Image to video and add it as the start frame
- 02
Set the length and format
Seedance 2.5 is already picked. Choose how long the clip runs and the format: 9:16 for Reels and TikTok, 16:9 for YouTube, 21:9 for a cinema look
- 03
Generate and download
Press Generate and get the clip with its sound in a few minutes. Download it, run the prompt again for a new take, or try the same prompt on another model. Every video stays in your history
Try Seedance 2.5
Write a prompt or add a photo, and Seedance 2.5 turns it into a clip with sound
Who is Seedance 2.5 for
Seedance 2.5 suits any video that needs sound and a steady character: ads, vlogs, music videos and short films
Content creators
Make vlog scenes, hooks and B-roll for Reels, TikTok and YouTube with the voice already in
Marketers and brands
Make product ads in every format for a campaign without a shoot
Filmmakers
Test a scene, a shot or a whole trailer before you film it
Musicians
Make a music video or a visualizer where the singer’s lips move with the words
Seedance 2.5 vs other AI video models
How Seedance 2.5 compares with the other video models in Overchat AI: release date, blind-test score, clip length, resolution and the photos each one takes
Seedance 2.5ByteDance
Kling 4.0Kuaishou
Flux 3 MaxBlack Forest Labs
Grok Imagine Video 1.5SpaceXAISeedance 2ByteDanceExplore other video models
Other new video models in Overchat AI: Kling 4.0, Grok Imagine Video 1.5, Flux 3 Max, MiniMax H3, Kling 3 and Wan 2.6
What creators say about Overchat AI
Real reviews from Trustpilot, the App Store and Google Play. People use Overchat AI to make images and videos, compare AI models and keep chat, image and video tools in one subscription
Saves so much time
Using this gives me opportunity to do insta reels and content for my blog Saves so much time with little effort I get a lot of material to work with
Best app for image and video generation
I really enjoy creating videos with Sora and images with Nano Banano in Overchat! The app is fast, intuitive and very user-friendly
Saves a lot of money
I've started to use overchat last week and it feels very promising. Lots of AI models in one place saves a lot of money in comparison if you buy subscriptions for each one
All ai in one app
Before I used to pay separately for chat and image generations, now it’s all in one app for me Genuinely saves me money, love it thx guys
I love this app
I love this app, mostly using from web version (NanoBanana) and everything go smoothly everytime…
Google PlayLots of new models
Helps a lot! lots of new models
Affordable and simpe to use
Affordable and simpe to use. I like that I don't have to pay for several different services anymore
One subscription for all models
I like how it keeps everything organized. One subscription is enough for all major AI models, which helps me avoid paying for multiple platforms
Awesome app
Absolutely love this app
Compare different LLMs
I think I've been using it for around 3 months. it helps me because I can check and compare different LLMs and use it for urgent questions
Great experience
Great experience! It helps me able to do my work and respond to questions quickly trusting that the my responses are grammatically correct
Nice app
Nice app, everything in one place
Ask and you shall receive
I ask. CHATGP answers. I check on the answer and it's always been correct
Good and easy to use
Good and easy to use
Seedance 2.5 FAQ
If you have any questions,
reach out to us at hello@overchat.ai
Seedance 2.5 is ByteDance’s video generation model, shown in June 2026 and released in July 2026. It makes clips with sound from a text prompt or a photo, up to 30 seconds long and up to 1080p
Seedance 2.5 makes longer clips in one pass and scores higher in blind tests: 1,156 against 1,136 for Seedance 2.0 in the Artificial Analysis text-to-video arena, where people pick the better of two clips without seeing the model names
Up to 30 seconds in one clip, made in a single pass with no stitching. Shorter clips render faster, so start with 5 or 10 seconds while you test a prompt
Yes. Seedance 2.5 makes the sound together with the picture: dialogue, effects, ambience and music. Put the lines in quotes in your prompt, and the lips move with the speech
Yes. Switch to Image to video, add your photo as the start frame and describe how the scene should move. Add an end frame too, and the clip goes from the first picture to the second
720p or 1080p, in 21:9, 16:9, 4:3, 1:1, 3:4 and 9:16. Use 9:16 for Reels and TikTok, 16:9 for YouTube and 21:9 for a cinema look
Describe who is in the shot, what happens, where it takes place and how the camera moves, then the light and the style. For sound, name it: rain on a window, a crowd, a line of dialogue in quotes
No. ByteDance offers Seedance 2.5 in its own apps and through its API. In Overchat AI you use it without a separate ByteDance account
On this page, in the Overchat AI web app and in the iOS and Android apps. Your videos and their prompts are saved in your history on every device
