SeeDance 2.5 (BudgetPixel)

SeeDance 2.5 is ByteDance's flagship multimodal video model and the most interesting node in the BudgetPixel video lineup - because the reference inputs stop being a fixed few images and become a full media palette. Up to 15 reference images (free), up to 5 reference video clips for editing and extension, up to 5 reference audio clips for sound and voice guidance, 4–30 second clips at up to 1080p. It's the closest a hosted model gets to a video editing bay. It's also 330 credits per second at the headline rate, which is how you know it's the flagship.

Why you'd reach for it

The reference-video workflow is the reason. Feed it a clip plus a prompt and it edits, extends, or borrows motion from it - there's no separate "edit endpoint," video editing and extension are just reference-video modes. Reference audio means you can drive voice/sound direction from a sample. The multi-asset mode where the prompt can address "Image 1", "Video 1" by order is where the real creative power lives. And audio-only input is supported, which almost nothing else in the pack can do.

The inputs that matter

• prompt - required; the edit or motion instruction in reference mode.
• reference_images - up to 15, free, for identity/style guidance.
• reference_videos - up to 5 clips (2–15s each, 30s combined, ≤50MB each) for editing/extension/motion. These bill at half the output rate per input second on top of the output - the one input that costs you.
• reference_audios - up to 5 clips (30s combined, WAV/MP3), free; audio-only input is supported.
• image / end_image - start/end frames for classic image-to-video; can't combine with any reference media.
• length_seconds - 4–30.
• resolution - 480p/720p/1080p.
• generate_audio - off by default, no price impact.

Output is video (VIDEO), core type - 2025+ ComfyUI needed.

How it works

Same hosted mechanics as every BudgetPixel node - serialize, upload, create a job, poll, download the MP4 into the temp folder. The polling loop on a 30-second multimodal clip is the slowest in the pack, so budget your patience (and your credit balance).

Install and key setup

ComfyUI Manager → BudgetPixel, or:

cd ComfyUI/custom_nodes
git clone https://github.com/budgetpixel-ai/comfyui-budgetpixel.git
pip install -r comfyui-budgetpixel/requirements.txt

Only requests. API key from a paid plan via BUDGETPIXEL_API_KEY or budgetpixel.json; never in workflow JSON.

Where people get burned

The input-video billing is the one to watch - reference videos bill at half the output rate per input second in addition to the output, so a long reference clip can dominate the cost of a short output. BudgetPixel Cost Estimate will tell you before you commit. And note the reference-media-versus-frames exclusivity: connect an image and all your reference media silently stops being part of the job. Interrupted runs still finish and bill server-side, as everywhere in this pack.