new.ip233.com｜seedance-2.0-fast-720p 视频生成

The middle child of the fast line: seedance-2.0-fast-720p, locked to 720p through the new.ip233.com relay. It's the fast profile at the resolution that's actually usable - for a vertical social clip, 720p after platform compression is honestly fine, which makes this the "iterate and maybe ship" node. You get fast-model economics and a resolution you don't have to apologize for. If you're only going to run one Seedance fast node, this is the one.

It's part of ComfyUI-Tikpan-Pro (official plugin for Tikpan.com), new.ip233.com relay group - key from https://new.ip233.com. ByteDance's Seedance line is closed and API-only; every clip here is metered.

How it works

POST {model: seedance-2.0-fast-720p, prompt, duration, aspect_ratio, ...} to https://new.ip233.com/v1/videos, poll, download the MP4 to your output folder, return VIDEO + path + cloud URL + logs. Model and resolution are fixed; everything else is on the table.

The inputs that matter

• 生成指令 - the prompt.
• 视频时长 - 4–15s.
• 画面比例 - 16:9, 9:16, 1:1, 21:9, 3:4, 4:3.
• 参考图1 … 9 - up to nine reference images (9, not the base fast node's 4).
• 首帧图 / 尾帧图, 视频URL列表 (up to 3), 音频URL列表 (up to 3).

Optional: 最长等待秒数 (600), 查询间隔秒数 (5), 校验HTTPS证书, 跳过错误.

Outputs

视频输出 (VIDEO), 本地保存路径, 视频云端直链, 任务ID, 完整日志.

Install

cd ComfyUI/custom_nodes
git clone https://github.com/htrert/ComfyUI-Tikpan-Pro

or ComfyUI Manager → Tikpan → Install → restart.

Gotchas

One behavioral note that separates this from the standard 720p node: because it's the fast profile, it carries the 9-ref allowance and no native-audio toggle - if you want Seedance-synthesized audio, you need the base seedance-2.0-fast node instead. And the cluster rule still holds: first/last-frame mode excludes reference images and video/audio URLs (二选一). Budget-wise, fast-720p is the sensible default when the prompt is still moving; graduate to the standard seedance-2.0-720p or 1080p when you've locked the shot. Test cheap, deliver expensively.