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工作流 / 视频 / Runway Aleph2：视频编辑
Runway Aleph2：视频编辑

Runway Aleph2：视频编辑

Runway Aleph2: Video Edit

生成一个经过编辑的视频，保留原始动作和节奏，同时应用您选择的更改。非常适合人像和产品重新照明、照片集的一致照明以及电子商务服装展示。

视频 8 个节点 2 个输入 47 次使用 ComfyUI ≥ 0.25.0 ComfyUI 10 KB

下载工作流 JSON 查看官方来源

下载后把文件拖进 ComfyUI 窗口即可打开。

节点构成

LoadImage × 2
RunwayAleph2VideoToVideoNode × 1
RunwayAleph2PromptImageNode × 1
LoadVideo × 1
RunwayAleph2KeyframeNode × 1
SaveVideo × 1
MarkdownNote × 1

官方标注的模型

Runway

工作流 JSON

和上面「下载工作流 JSON」是同一份文件。

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3 "revision": 0,
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6 "nodes": [
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27 "link": 2
28 },
29 {
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32 "type": "RUNWAY_ALEPH2_KEYFRAME",
33 "link": null
34 },
35 {
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38 "type": "RUNWAY_ALEPH2_PROMPT_IMAGE",
39 "link": null
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45 "type": "VIDEO",
46 "links": [
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49 }
50 ],
51 "properties": {
52 "cnr_id": "comfy-core",
53 "ver": "0.24.0",
54 "Node name for S&R": "RunwayAleph2VideoToVideoNode"
55 },
56 "widgets_values": [
57 "Change the scene to a surfing scene and replace the characters with surfers",
58 2374599215,
59 "randomize",
60 "low"
61 ],
62 "color": "#432",
63 "bgcolor": "#653"
64 },
65 {
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85 {
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90 }
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92 "outputs": [
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96 "links": []
97 }
98 ],
99 "properties": {
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103 },
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108 },
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147 },
148 {
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172 "properties": {
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176 },
177 "widgets_values": [
178 "sunset_city_skateboarder.mp4",
179 "image"
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181 },
182 {
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201 },
202 {
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208 ],
209 "outputs": [
210 {
211 "name": "keyframes",
212 "type": "RUNWAY_ALEPH2_KEYFRAME",
213 "links": []
214 }
215 ],
216 "properties": {
217 "cnr_id": "comfy-core",
218 "ver": "0.24.0",
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220 },
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287 ],
288 "outputs": [],
289 "properties": {
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291 "ver": "0.24.0",
292 "Node name for S&R": "SaveVideo"
293 },
294 "widgets_values": [
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299 },
300 {
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316 "properties": [],
317 "widgets_values": [
318 "Runway Aleph 2 is Runway's flagship **in-context video editing** model. It edits footage you already have while **preserving the original motion and timing** — no reshoots, no frame-by-frame retouching.\n\nTypical uses:\n- **Restyle**: dark anime look, seasonal or lighting changes\n- **Change elements**: product color, hairstyle, clothing, add/remove objects\n- **Reframe**: tighter shot on a subject at the same moment\n- **Multi-shot edits**: apply a change across relevant cuts in one clip\n\n> Only changes what you ask for; background, lighting, and untouched details stay as they were.\n\n## Basic workflow (text prompt only)\n\n1. **Load Video** — source clip (2–30 seconds, ≤30 fps)\n2. **Runway Aleph2 Video to Video** — English prompt describing the edit (1–1000 characters)\n3. **Save Video** — write the result\n\nRequires a logged-in ComfyUI `comfy.org` API account (Partner node).\n\n## Optional: timed guidance images (per-moment / per-frame)\n\nBesides text, you can attach up to **5** reference images at specific moments on the timeline. Use **one or the other** — do not connect both `keyframes` and `prompt_images`:\n\n### Keyframes — anchored to the **input (source) video**\n\n`Runway Aleph2 Keyframe` → main node `keyframes`\n\nPlace a guidance image at a point on the **original** timeline so the edit near that frame follows that look (edit one frame, carry through the clip).\n\n**Timing modes:**\n| Mode | Meaning | Example |\n|------|---------|--------|\n| **Absolute time (seconds)** | Seconds from the start | `2.5` = at 2.5s |\n| **Fraction of duration (0.0–1.0)** | Fraction of clip length | `0.5` = midpoint |\n\n### Prompt images — anchored to the **output (result) video**\n\n`Runway Aleph2 Prompt Image` → main node `prompt_images`\n\nSpecify what the **generated** video should look like at a moment on the **output** timeline (useful to lock in a look at one frame before generating the full clip).\n\n**Position modes:** same two options as above, but relative to the **output** video.\n\n### Chaining multiple guidance images\n\nFeed the previous node's `keyframes` or `prompt_images` output into the optional input of the next node of the same type. Chain up to 5 images.\n\n## Main node parameters\n\n| Parameter | Description |\n|-----------|-------------|\n| **prompt** | English description of the desired change |\n| **seed** | Random seed; `randomize` gives a new value each run |\n| **public_figure_threshold** | Public-figure moderation: `low` is less strict, `auto` is default |\n\n## Limits\n\n- Video **2–30 seconds**, frame rate **≤ 30 fps**; output resolution matches input\n- **Keyframes OR prompt images** — not both at once\n- At most **5** guidance images per type; absolute seconds must not exceed video duration"
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