[{"data":1,"prerenderedAt":510},["ShallowReactive",2],{"docs-/zh/docs/models-overview":3},{"id":4,"title":5,"body":6,"description":502,"extension":503,"meta":504,"navigation":505,"path":506,"seo":507,"stem":508,"__hash__":509},"content/zh/docs/models-overview.md","模型总览 - Seedance 2.0 API",{"type":7,"value":8,"toc":491},"minimark",[9,13,35,39,107,110,120,137,140,143,148,154,158,218,230,233,236,315,329,333,345,423,426,433,447,450,453,487],[10,11,12],"h1",{"id":12},"模型总览",[14,15,16,17,21,22,26,27,30,31,34],"p",{},"Seedance 2.0 API 并不是单一模型，而是一个由 ",[18,19,20],"strong",{},"6 个模型"," 组成的矩阵。调用时你必须在 ",[23,24,25],"code",{},"model"," 字段中精确指定其中之一 —— 不存在所谓的\"自动模式检测\"，传错 model ID 会直接返回 ",[23,28,29],{},"model_access_denied"," 或 ",[23,32,33],{},"invalid_request","。",[36,37,38],"h2",{"id":38},"模型矩阵",[40,41,42,58],"table",{},[43,44,45],"thead",{},[46,47,48,52,55],"tr",{},[49,50,51],"th",{},"输入类型",[49,53,54],{},"Standard（默认画质更稳）",[49,56,57],{},"Fast（速度更快 / 成本更低）",[59,60,61,77,92],"tbody",{},[46,62,63,67,72],{},[64,65,66],"td",{},"纯文本",[64,68,69],{},[23,70,71],{},"seedance-2.0-text-to-video",[64,73,74],{},[23,75,76],{},"seedance-2.0-fast-text-to-video",[46,78,79,82,87],{},[64,80,81],{},"1–2 张图片",[64,83,84],{},[23,85,86],{},"seedance-2.0-image-to-video",[64,88,89],{},[23,90,91],{},"seedance-2.0-fast-image-to-video",[46,93,94,97,102],{},[64,95,96],{},"图片 + 视频 + 音频 多模态",[64,98,99],{},[23,100,101],{},"seedance-2.0-reference-to-video",[64,103,104],{},[23,105,106],{},"seedance-2.0-fast-reference-to-video",[14,108,109],{},"所有模型共用同一个端点：",[111,112,117],"pre",{"className":113,"code":115,"language":116},[114],"language-text","POST https://api.evolink.ai/v1/videos/generations\n","text",[23,118,115],{"__ignoreMap":119},"",[14,121,122,123,125,126,129,130,129,133,136],{},"区别只在请求体中的 ",[23,124,25],{}," 字段与允许携带的输入字段（",[23,127,128],{},"image_urls"," / ",[23,131,132],{},"video_urls",[23,134,135],{},"audio_urls","）。",[36,138,139],{"id":139},"如何选择模型",[14,141,142],{},"按\"你有什么输入\"→\"你需要什么速度\"两步走：",[144,145,147],"h3",{"id":146},"第-1-步按输入选模式","第 1 步：按输入选模式",[111,149,152],{"className":150,"code":151,"language":116},[114],"只有文字提示词\n    → text-to-video  （可选启用 web_search 联网增强时效性）\n\n有 1 张参考图（作为首帧）\n有 2 张参考图（作为首帧 + 尾帧）\n    → image-to-video\n\n需要同时引用图片 + 视频 + 音频（最多 9 图 + 3 视频 + 3 音频）\n    → reference-to-video\n",[23,153,151],{"__ignoreMap":119},[144,155,157],{"id":156},"第-2-步standard-还是-fast","第 2 步：Standard 还是 Fast",[40,159,160,173],{},[43,161,162],{},[46,163,164,167,170],{},[49,165,166],{},"维度",[49,168,169],{},"Standard",[49,171,172],{},"Fast",[59,174,175,186,197,207],{},[46,176,177,180,183],{},[64,178,179],{},"生成画质稳定性",[64,181,182],{},"更稳",[64,184,185],{},"可接受",[46,187,188,191,194],{},[64,189,190],{},"生成速度",[64,192,193],{},"基准",[64,195,196],{},"更快",[46,198,199,202,204],{},[64,200,201],{},"按秒计费成本",[64,203,193],{},[64,205,206],{},"更低",[46,208,209,212,215],{},[64,210,211],{},"推荐场景",[64,213,214],{},"成片、营销、商品主图视频",[64,216,217],{},"预览、A/B 测试、短视频批量生产",[219,220,221],"blockquote",{},[14,222,223,226,227,229],{},[18,224,225],{},"提示："," 同一段 prompt 通常可以无缝在 Standard 和 Fast 之间切换，参数结构完全一致，只需替换 ",[23,228,25],{}," 字段。建议在开发阶段用 Fast 迭代 prompt，交付阶段切回 Standard。",[36,231,232],{"id":232},"所有模型共享的能力",[14,234,235],{},"无论你选哪个 model，Seedance 2.0 都支持：",[237,238,239,253,280,296,305],"ul",{},[240,241,242,245,246,249,250],"li",{},[18,243,244],{},"同步音频生成"," — ",[23,247,248],{},"generate_audio: true","（默认）。把对白放在英文双引号中可优化语音效果，例如 ",[23,251,252],{},"The man said: \"Remember, never point at the moon.\"",[240,254,255,245,258,261,262,261,265,261,268,261,271,261,274,261,277],{},[18,256,257],{},"多画面比例",[23,259,260],{},"16:9",", ",[23,263,264],{},"9:16",[23,266,267],{},"1:1",[23,269,270],{},"4:3",[23,272,273],{},"3:4",[23,275,276],{},"21:9",[23,278,279],{},"adaptive",[240,281,282,245,285,261,288,291,292,295],{},[18,283,284],{},"两档画质",[23,286,287],{},"480p",[23,289,290],{},"720p","（",[18,293,294],{},"不支持 1080p","）",[240,297,298,245,301,304],{},[18,299,300],{},"任意 4–15 秒时长",[23,302,303],{},"duration"," 可设为 4 到 15 之间任意整数，默认 5 秒",[240,306,307,310,311,314],{},[18,308,309],{},"异步任务"," — 所有请求立即返回任务 ID，通过轮询或 ",[23,312,313],{},"callback_url"," 接收结果",[14,316,317,318,321,322,325,326,328],{},"计费采用 ",[18,319,320],{},"按秒计费"," (",[23,323,324],{},"billing_rule: \"per_second\"",") —— 同一段视频，",[23,327,303],{}," 越长费用越高。",[36,330,332],{"id":331},"仅-text-to-video-独有的能力","仅 text-to-video 独有的能力",[14,334,335,337,338,340,341,344],{},[23,336,71],{}," 和 ",[23,339,76],{}," 额外支持 ",[23,342,343],{},"model_params.web_search"," 参数。开启后，模型会自主决定是否联网检索最新信息以增强时效性（仅在实际触发检索时计费）：",[111,346,350],{"className":347,"code":348,"language":349,"meta":119,"style":119},"language-json shiki shiki-themes github-dark","{\n  \"model\": \"seedance-2.0-text-to-video\",\n  \"prompt\": \"制作一段 2026 年春季最新款电动跑车的广告\",\n  \"model_params\": {\n    \"web_search\": true\n  }\n}\n","json",[23,351,352,361,378,391,400,411,417],{"__ignoreMap":119},[353,354,357],"span",{"class":355,"line":356},"line",1,[353,358,360],{"class":359},"s95oV","{\n",[353,362,364,368,371,375],{"class":355,"line":363},2,[353,365,367],{"class":366},"sDLfK","  \"model\"",[353,369,370],{"class":359},": ",[353,372,374],{"class":373},"sU2Wk","\"seedance-2.0-text-to-video\"",[353,376,377],{"class":359},",\n",[353,379,381,384,386,389],{"class":355,"line":380},3,[353,382,383],{"class":366},"  \"prompt\"",[353,385,370],{"class":359},[353,387,388],{"class":373},"\"制作一段 2026 年春季最新款电动跑车的广告\"",[353,390,377],{"class":359},[353,392,394,397],{"class":355,"line":393},4,[353,395,396],{"class":366},"  \"model_params\"",[353,398,399],{"class":359},": {\n",[353,401,403,406,408],{"class":355,"line":402},5,[353,404,405],{"class":366},"    \"web_search\"",[353,407,370],{"class":359},[353,409,410],{"class":366},"true\n",[353,412,414],{"class":355,"line":413},6,[353,415,416],{"class":359},"  }\n",[353,418,420],{"class":355,"line":419},7,[353,421,422],{"class":359},"}\n",[36,424,425],{"id":425},"文字长度限制",[14,427,428,429,432],{},"所有模型统一限制 ",[23,430,431],{},"prompt","：",[237,434,435,441],{},[240,436,437,438],{},"中文 ",[18,439,440],{},"≤ 500 字符",[240,442,443,444],{},"英文 ",[18,445,446],{},"≤ 1000 单词",[14,448,449],{},"超出会被直接拒绝。超长 prompt 不会带来更好效果，建议聚焦主体、动作、镜头语言三个要素。",[36,451,452],{"id":452},"下一步",[237,454,455,465,473,480],{},[240,456,457,245,462,464],{},[458,459,461],"a",{"href":460},"/docs/text-to-video","文生视频 API",[23,463,71],{}," 完整参考",[240,466,467,245,471,464],{},[458,468,470],{"href":469},"/docs/image-to-video","图生视频 API",[23,472,86],{},[240,474,475,479],{},[458,476,478],{"href":477},"/docs/reference-to-video","参考生视频 API"," — 多模态合成，最强大的模式",[240,481,482,486],{},[458,483,485],{"href":484},"/docs/fast-models","Fast 系列说明"," — 三个 Fast 模型的差异与定位",[488,489,490],"style",{},"html pre.shiki code .s95oV, html code.shiki .s95oV{--shiki-default:#E1E4E8}html pre.shiki code .sDLfK, html code.shiki .sDLfK{--shiki-default:#79B8FF}html pre.shiki code .sU2Wk, html code.shiki .sU2Wk{--shiki-default:#9ECBFF}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}",{"title":119,"searchDepth":363,"depth":363,"links":492},[493,494,498,499,500,501],{"id":38,"depth":363,"text":38},{"id":139,"depth":363,"text":139,"children":495},[496,497],{"id":146,"depth":380,"text":147},{"id":156,"depth":380,"text":157},{"id":232,"depth":363,"text":232},{"id":331,"depth":363,"text":332},{"id":425,"depth":363,"text":425},{"id":452,"depth":363,"text":452},"Seedance 2.0 API 的 6 个模型完整对比：文生视频、图生视频、参考生视频，各含 Standard 与 Fast 两档。含决策指南。","md",{},true,"/zh/docs/models-overview",{"title":5,"description":502},"zh/docs/models-overview","ez58R_wUA_t00u-iaXF0ww9jwLfNZ9sEtIj_aX2FSj0",1776086324146]