new.ip233.com｜seedance-2.0-4k 视频生成

Let me save you some money: for most people, this node is a trap. seedance-2.0-4k is the top of the Seedance 2.0 line - 4K output through the new.ip233.com relay - and it will happily render you a beautiful, expensive, mostly-unnecessary video. 4K video is the case where "more pixels" rarely buys you much at all: after platform recompression, a 4K clip that ends up on a phone feed looks identical to 1080p, and the render cost at this tier is where the community's "Seedance via API is too expensive" complaint stops being an opinion and becomes a line item.

So think of TikpanCangyuanSeedance204kNode as a delivery node for the rare project that genuinely needs native 4K - a cinema screen, an archival master, a client who explicitly asks for it - not as a quality setting to try "just to see." It's part of ComfyUI-Tikpan-Pro (official plugin for Tikpan.com), new.ip233.com relay group, key from https://new.ip233.com. Seedance is ByteDance's closed video line; there is no local version of this model at any resolution.

How it works

Same relay machinery as every Seedance node: POST {model: seedance-2.0-4k, prompt, duration, aspect_ratio, ...} to https://new.ip233.com/v1/videos, poll, download the MP4 to your output folder, return VIDEO + paths + logs. Resolution is locked to 4K; everything else is the full input surface - 4–15s duration, six aspect ratios, first/last frames, up to nine reference images, up to three video and three audio URLs.

The inputs that matter

• 生成指令 - the prompt.
• 视频时长 - 4–15s. Longer is heavier at 4K; know what you're paying for.
• 画面比例 - 16:9, 9:16, 1:1, 21:9, 3:4, 4:3.
• 首帧图 / 尾帧图, 参考图1 … 9, 视频URL列表 / 音频URL列表 - same as the rest of the cluster.

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. No model downloads - it's all on the relay.

Gotchas

Budget first, always. And remember there's no local fallback here: if the relay's 4K tier is down or the cost surprises you, the same prompt on seedance-2.0-720p is a legitimate substitute for 95% of use cases - upscaling 720p to 4K locally afterward is often cheaper than native 4K and looks fine after a good upscaler. The first/last-frame-vs-references exclusivity rule (二选一) applies here like everywhere in this cluster. Test one 4-second clip before you commit to anything long.