Seedance 2.5 Generator - Video Generation AI Tool | Free Online

Seedance

Seedance is ByteDance's AI video suite on FuseAITools—from v1 Lite/Pro through Seedance 2 multimodal clips. Pair with Seedream for 2K/3K stills and image edits before video generation.

v1 Lite T2V

v1 Lite I2V

v1 Pro T2V

v1 Pro I2V

v1 Pro Fast I2V

v1.5 Pro

Seedance 2 Fast

Seedance 2

Seedance 2 Mini

Seedance 2.5

Configuration

Prompt *

Prompt length: 3-20000 characters.

First Frame (optional)

Click to upload first frame imageJPEG, PNG, WebP, BMP, TIFF, GIF; max 30MB

Last Frame (optional)

Click to upload last frame imageJPEG, PNG, WebP, BMP, TIFF, GIF; max 30MB

Reference Images (optional)

Click to upload reference image(s)JPEG, PNG, WebP, BMP, TIFF, GIF; max 30MB each

Max 9 items. Combined with first/last frame total should not exceed 9 images.

Reference Videos (optional)

Click to upload reference video(s)

Duration: each video [2, 15]s; up to 3 reference videos; combined duration must not exceed 15s.

Reference Audios (optional)

Click to upload reference audio(s)

Duration: each audio [2, 15]s; up to 3 reference audio clips; combined duration must not exceed 15s.

Aspect Ratio

Resolution

Duration

Duration: 5s (4-30s)

Generate audio

Web search (required)

Result Preview

No video generated yet

Fill in the form and click "Generate Video" to start.

🎬 Seedance 2.5 · Extended Duration Multimodal Video

🎬 Seedance 2.5

Seedance 2.5 (seedance-2-5) is an extended-duration multimodal video model on FuseAITools—same controls as Seedance 2 at 480p / 720p / 1080p with up to 30 seconds. Set 4–30 seconds on a slider, add optional first/last frames and reference images, videos, and audio, and enable the required web search switch.

What is Seedance 2.5?

Seedance 2.5 on FuseAITools extends the Seedance 2 multimodal feature set—same inputs (prompt up to 20,000 characters, first/last frames, reference images/videos/audio) at 480p / 720p / 1080p resolution. Duration extends to 4–30 seconds; ideal for longer storytelling, social ads, and extended clips when 4K is not required.

🎬 Seedance 2.5 on FuseAITools

Seedance 2.5 on FuseAITools extends the Seedance 2 multimodal feature set with 4–30 second duration and up to 1080p resolution—ideal for longer storytelling, ads, and social content. Same first/last frame and reference media controls as Seedance 2. 480p / 720p / 1080p output, credits scale by duration and reference usage. New users receive 20 free credits on sign-up.

✨ Seedance 2.5 Core Features

First & Last Frame

Bookend motion with firstFrameUrl and lastFrameUrl—counts toward the nine-image reference cap.

Multimodal References

Condition with reference images, videos, and audio—up to 3 reference videos.

Extended Duration

4–30 seconds on a continuous slider—double the range of Seedance 2 for longer storytelling and ads.

Up to 1080p

480p / 720p / 1080p resolution—full HD output when 4K is not needed.

🎯 Built for These Scenarios

Extended storytelling (15–30s)Social media ads and promosProduct showcase videosReference-driven short filmsMobile-first 9:16 content

📊 Seedance 2 Family Comparison

Dimension	Seedance 2	Seedance 2 Mini	Seedance 2.5
Model	`seedance-2`	`seedance-2-mini`	`seedance-2-5`
Reference videos	Up to 5	Up to 3	Up to 3
Resolution	480p / 720p / 1080p / 4K	480p / 720p	480p / 720p / 1080p
Duration	4–15s slider	4–15s slider	4–30s slider
Pricing	Per-second credits	Per-second credits	Per-second credits

❓ FAQ (Seedance 2.5)

How is Seedance 2.5 different from Seedance 2?

Seedance 2.5 supports up to 30 seconds duration (vs 15s on Seedance 2) and outputs at 480p / 720p / 1080p (no 4K). It supports up to 3 reference videos (vs 5 on Seedance 2). All other controls—prompt length, aspect ratios, audio generation—are identical.

How is Seedance 2.5 different from Seedance 2 Mini?

How many reference files can Seedance 2.5 use?

Why is web search required on Seedance 2.5?

How is Seedance 2.5 billed when I upload reference videos?

Do I need a local GPU for Seedance 2.5?

How do I try Seedance 2.5 on FuseAITools?

⚙️ Seedance 2.5 Technical Specs

Parameters below match the FuseAITools Seedance form and API (seedance-2-5).

Workflow	Prompt	References	Duration	Resolution / ratio
Seedance 2.5	3–20,000 chars	First/last frame; ≤9 images total; ≤3 videos; ≤3 audios	4–30s (slider)	480p/720p/1080p; 1:1–21:9 + adaptive

Web search toggle is required in the form. Optional generate audio for 2.5 outputs. When reference videos are uploaded, credits bill per second including rounded-up reference duration plus output length.

💳 New users get 20 free credits on sign-up. View pricing for subscription discounts and credit top-ups.

🎬 Need 4K output or more reference videos? Explore Seedance 2 → for 480p/720p/1080p/4K output and up to 5 reference videos.