Seedance 2.5 —
30-Second 4K AI Videos
ByteDance's next-gen model. One prompt, one pass, complete 30-second 4K clip — with native audio sync and up to 50 reference inputs.
Seedance 2.5 ▾Free to start · No watermarks · Commercial license
ByteDance's next-gen model. One prompt, one pass, complete 30-second 4K clip — with native audio sync and up to 50 reference inputs.
Free to start · No watermarks · Commercial license
KEY FEATURES
Describe your scene once — Seedance 2.5 renders a complete 30-second clip natively, with no stitching or seams. Characters, lighting, and motion stay consistent from frame one to frame 900, in resolutions up to 4K.
Upload up to 50 reference assets — character images, style clips, environment shots, or audio files. Seedance 2.5 reads every input and maintains subject appearance, style, and audio pacing throughout the full generation.
Paint a mask over the product label that's wrong, the face that needs correcting, or the background you want to swap — Seedance 2.5 updates only that region, leaving the rest of your 30-second video untouched.
Seedance 2.5 improves prompt adherence by 20% over Seedance 2.0. Complex briefs with specific camera angles, character actions, and scene transitions resolve correctly on the first generation — faster than ever before.
Audio is co-processed in the same latent space as video. Provide a music track or voiceover reference and Seedance 2.5 automatically synchronizes visual pacing, beats, and transitions — no separate audio step required.
HOW TO USE
USE CASES
Upload your track and describe the visual world — Seedance 2.5 generates a cinematic, beat-synced music video in a single pass. From indie pop to hip-hop to electronic, the model reads your audio reference and aligns every cut, transition, and camera move to the rhythm. No editing software. No production crew. One prompt, one complete video.
Generate your music video →Upload a reference photo or video of your artist and a target audio track — Seedance 2.5 generates a photorealistic lip sync video where the subject's mouth, expression, and head motion match the audio frame by frame. Perfect for lyric videos, promotional clips, and social content without a studio shoot.
Create a lip sync video →AI-native artists need AI-native visuals. Seedance 2.5 generates fully original, commercially licensable video content for artists who live and work in the model era — album covers in motion, generative lyric videos, social-ready visual drops, and concert backdrop loops. Define your aesthetic with reference images and let the model build a consistent visual identity across every piece of content you release.
Build your visual identity →Generate large-format, high-resolution video loops designed for LED walls, stage backdrops, and live performance projection. Describe the energy — smoke, strobe, abstract geometry, crowd motion, laser grids — and Seedance 2.5 renders immersive, seamlessly loopable visuals at 4K resolution. Upload reference clips from past shows to keep your stage aesthetic consistent across every tour date.
Create stage visuals →Write a scene-by-scene narrative and Seedance 2.5 brings it to life as a cohesive, 30-second cinematic story. Characters remain consistent across scenes, locations shift without breaking continuity, and the emotional arc of the story follows the music's structure. Upload a character reference image once and the model keeps that subject — face, costume, and expression — identical across every frame of the video.
Tell your story →Define an aesthetic — brutalist architecture, solarpunk jungle, retro-futurist chrome, ink-wash animation — and Seedance 2.5 generates a fully realized visual world consistent enough to sustain a full discography of releases. Upload style reference images or video clips as anchors, then generate unlimited content within that world. Every video you create in this aesthetic shares the same color palette, texture, and visual language.
Build your visual world →PRO TIPS
Break your prompt into clear beats: opening shot, main action, transition, closing frame. Seedance 2.5 uses scene structure to distribute motion and pacing naturally across 30 seconds.
Any character, product, or prop that appears more than once should have a reference image. Upload it once and Seedance 2.5 will keep that subject consistent across every scene.
Upload your music track before generating. When audio is present, Seedance 2.5 anchors cut timing, camera moves, and scene transitions to the beat — no post-sync needed.
If one part of your video is off — a logo, a face, a background element — use region editing first. Paint the mask, describe the fix, and regenerate only that zone.
FAQ
Seedance 2.5 is ByteDance's next-generation AI video model available on Tunee. It generates complete 30-second video clips in up to 4K resolution natively, supports up to 50 multimodal reference inputs, and delivers 20% better prompt accuracy than Seedance 2.0.
Three core upgrades: clip length doubles from 15 to 30 seconds natively; reference capacity increases from 12 to 50 inputs; and prompt adherence improves by 20%. Seedance 2.5 also introduces region-level editing that lets you fix specific parts of a video without re-generating the whole clip.
Seedance 2.5 supports text-to-video, image-to-video, and multimodal reference generation. You can provide up to 50 reference inputs including images, video clips, and audio files. Region-level editing is also available for post-generation corrections.
Audio is co-processed in the same latent space as video during generation. Upload a music track or voiceover reference and Seedance 2.5 automatically aligns visual pacing, cuts, and transitions to the audio — no separate audio step or manual sync required.
Yes. All videos generated through Tunee include a commercial license. You can use them in ads, social media, client deliverables, and product videos without additional licensing fees.
Seedance 2.5 uses credits per generation. Each 30-second 4K generation consumes a set number of credits based on resolution and reference count. Tunee offers a free tier with starter credits, and paid plans provide larger monthly credit allocations.
You can upload images (JPEG, PNG, WebP), video clips (MP4, MOV), and audio files (MP3, WAV) as references. Up to 50 reference files can be provided per generation, covering character appearance, style, environment, and audio pacing.
Join thousands of creators using Seedance 2.5 on Tunee. Free to start, no credit card required.
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