[{"data":1,"prerenderedAt":842},["ShallowReactive",2],{"docs-/ja/docs/fast-models":3},{"id":4,"title":5,"body":6,"description":835,"extension":836,"meta":837,"navigation":370,"path":838,"seo":839,"stem":840,"__hash__":841},"content/ja/docs/fast-models.md","Fast モデル - Seedance 2.0",{"type":7,"value":8,"toc":825},"minimark",[9,14,34,39,108,111,121,125,130,171,176,193,196,199,205,212,216,336,345,349,645,649,767,771,791,794,821],[10,11,13],"h1",{"id":12},"fast-モデル","Fast モデル",[15,16,17,18,22,23,26,27,22,30,33],"p",{},"Seedance 2.0 のすべてのモードには ",[19,20,21],"strong",{},"Standard"," と ",[19,24,25],{},"Fast"," の 2 つのティアがあります。Fast ファミリーは映像品質をわずかに犠牲にして ",[19,28,29],{},"より高速な生成",[19,31,32],{},"より低い秒単価"," を実現します — 高速な反復、大量生産、A/B テストに最適です。",[35,36,38],"h2",{"id":37},"_3-つの-fast-モデル","3 つの Fast モデル",[40,41,42,58],"table",{},[43,44,45],"thead",{},[46,47,48,52,55],"tr",{},[49,50,51],"th",{},"Fast モデル ID",[49,53,54],{},"対応する Standard",[49,56,57],{},"用途",[59,60,61,78,93],"tbody",{},[46,62,63,70,75],{},[64,65,66],"td",{},[67,68,69],"code",{},"seedance-2.0-fast-text-to-video",[64,71,72],{},[67,73,74],{},"seedance-2.0-text-to-video",[64,76,77],{},"純粋な text-to-video",[46,79,80,85,90],{},[64,81,82],{},[67,83,84],{},"seedance-2.0-fast-image-to-video",[64,86,87],{},[67,88,89],{},"seedance-2.0-image-to-video",[64,91,92],{},"1 枚または 2 枚の画像駆動",[46,94,95,100,105],{},[64,96,97],{},[67,98,99],{},"seedance-2.0-fast-reference-to-video",[64,101,102],{},[67,103,104],{},"seedance-2.0-reference-to-video",[64,106,107],{},"マルチモーダル合成",[15,109,110],{},"すべての Fast モデルは同じエンドポイントとパラメータ構造を共有します。",[112,113,118],"pre",{"className":114,"code":116,"language":117},[115],"language-text","POST https://api.evolink.ai/v1/videos/generations\n","text",[67,119,116],{"__ignoreMap":120},"",[35,122,124],{"id":123},"standard-との違い","Standard との違い",[15,126,127],{},[19,128,129],{},"同じ点:",[131,132,133,137,140,159,162,165],"ul",{},[134,135,136],"li",{},"エンドポイント",[134,138,139],{},"リクエストボディスキーマ（すべてのパラメータ名、型、デフォルト値）",[134,141,142,143,146,147,150,151,154,155,158],{},"許容される品質ティア（",[67,144,145],{},"480p"," / ",[67,148,149],{},"720p","）、長さの範囲（",[67,152,153],{},"4","〜",[67,156,157],{},"15"," 秒）、アスペクト比",[134,160,161],{},"入力素材の数とフォーマットの制限",[134,163,164],{},"レスポンススキーマ、タスクライフサイクル、Webhook ペイロード形式",[134,166,167,170],{},[67,168,169],{},"prompt"," の長さ制限（中国語 500 文字 / 英語 1000 ワード）",[15,172,173],{},[19,174,175],{},"異なる点:",[131,177,178,181,184,187],{},[134,179,180],{},"生成が高速",[134,182,183],{},"秒単価が低い",[134,185,186],{},"ディテールの品質が Standard よりわずかに低い（通常は肉眼で区別不能）",[134,188,189,192],{},[67,190,191],{},"fast-image-to-video"," は画像枚数に基づき最初フレームモードと最初・最後フレームモードを自動判定（1 枚 = 最初フレーム駆動、2 枚 = 最初・最後フレームトランジション）。追加フィールドは不要",[35,194,195],{"id":195},"推奨ワークフロー",[15,197,198],{},"典型的な本番パイプラインでは両方のティアを使用します。",[112,200,203],{"className":201,"code":202,"language":117},[115],"プロンプト／パラメータの反復\n    ↓  （Fast モデル — 速くて安い）\n    ↓\n満足できるプロンプトとパラメータを特定\n    ↓  （`model` フィールドを切り替え、それ以外はすべて維持）\n    ↓\n最終納品\n    ↓  （Standard モデル — 最高品質のレンダリング）\n",[67,204,202],{"__ignoreMap":120},[15,206,207,208,211],{},"コード上での変更は ",[67,209,210],{},"model"," 文字列のみで、他のロジックは何も変える必要がありません。",[35,213,215],{"id":214},"例-fast-text-to-video-web_search","例: Fast Text-to-Video + web_search",[112,217,221],{"className":218,"code":219,"language":220,"meta":120,"style":120},"language-bash shiki shiki-themes github-dark","curl -X POST https://api.evolink.ai/v1/videos/generations \\\n  -H \"Authorization: Bearer YOUR_API_KEY\" \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\n    \"model\": \"seedance-2.0-fast-text-to-video\",\n    \"prompt\": \"A commercial introducing the latest 2026 electric sports car, highlighting its aerodynamic design and cabin tech.\",\n    \"duration\": 6,\n    \"quality\": \"720p\",\n    \"aspect_ratio\": \"16:9\",\n    \"generate_audio\": true,\n    \"model_params\": {\n      \"web_search\": true\n    }\n  }'\n","bash",[67,222,223,246,257,267,276,282,288,294,300,306,312,318,324,330],{"__ignoreMap":120},[224,225,228,232,236,240,243],"span",{"class":226,"line":227},"line",1,[224,229,231],{"class":230},"svObZ","curl",[224,233,235],{"class":234},"sDLfK"," -X",[224,237,239],{"class":238},"sU2Wk"," POST",[224,241,242],{"class":238}," https://api.evolink.ai/v1/videos/generations",[224,244,245],{"class":234}," \\\n",[224,247,249,252,255],{"class":226,"line":248},2,[224,250,251],{"class":234},"  -H",[224,253,254],{"class":238}," \"Authorization: Bearer YOUR_API_KEY\"",[224,256,245],{"class":234},[224,258,260,262,265],{"class":226,"line":259},3,[224,261,251],{"class":234},[224,263,264],{"class":238}," \"Content-Type: application/json\"",[224,266,245],{"class":234},[224,268,270,273],{"class":226,"line":269},4,[224,271,272],{"class":234},"  -d",[224,274,275],{"class":238}," '{\n",[224,277,279],{"class":226,"line":278},5,[224,280,281],{"class":238},"    \"model\": \"seedance-2.0-fast-text-to-video\",\n",[224,283,285],{"class":226,"line":284},6,[224,286,287],{"class":238},"    \"prompt\": \"A commercial introducing the latest 2026 electric sports car, highlighting its aerodynamic design and cabin tech.\",\n",[224,289,291],{"class":226,"line":290},7,[224,292,293],{"class":238},"    \"duration\": 6,\n",[224,295,297],{"class":226,"line":296},8,[224,298,299],{"class":238},"    \"quality\": \"720p\",\n",[224,301,303],{"class":226,"line":302},9,[224,304,305],{"class":238},"    \"aspect_ratio\": \"16:9\",\n",[224,307,309],{"class":226,"line":308},10,[224,310,311],{"class":238},"    \"generate_audio\": true,\n",[224,313,315],{"class":226,"line":314},11,[224,316,317],{"class":238},"    \"model_params\": {\n",[224,319,321],{"class":226,"line":320},12,[224,322,323],{"class":238},"      \"web_search\": true\n",[224,325,327],{"class":226,"line":326},13,[224,328,329],{"class":238},"    }\n",[224,331,333],{"class":226,"line":332},14,[224,334,335],{"class":238},"  }'\n",[337,338,339],"blockquote",{},[15,340,341,344],{},[67,342,343],{},"model_params.web_search"," は text-to-video ファミリー（Fast を含む）の専用機能です。実際に検索が発動した場合のみ課金されます。",[35,346,348],{"id":347},"例-fast-image-to-video最初フレーム最初最後フレームの自動判定","例: Fast Image-to-Video（最初フレーム／最初・最後フレームの自動判定）",[112,350,354],{"className":351,"code":352,"language":353,"meta":120,"style":120},"language-python shiki shiki-themes github-dark","import requests\n\n# 1 枚の画像 → 最初フレーム駆動\nresponse = requests.post(\n    \"https://api.evolink.ai/v1/videos/generations\",\n    headers={\n        \"Authorization\": \"Bearer YOUR_API_KEY\",\n        \"Content-Type\": \"application/json\"\n    },\n    json={\n        \"model\": \"seedance-2.0-fast-image-to-video\",\n        \"prompt\": \"Camera slowly pushes in, the scene comes alive\",\n        \"image_urls\": [\"https://example.com/scene.jpg\"],\n        \"duration\": 5\n    }\n)\n\n# 2 枚の画像 → 最初・最後フレームのトランジションへ自動切り替え\nresponse = requests.post(\n    \"https://api.evolink.ai/v1/videos/generations\",\n    headers={\n        \"Authorization\": \"Bearer YOUR_API_KEY\",\n        \"Content-Type\": \"application/json\"\n    },\n    json={\n        \"model\": \"seedance-2.0-fast-image-to-video\",\n        \"prompt\": \"A smooth transition between two scenes\",\n        \"image_urls\": [\n            \"https://example.com/first.jpg\",\n            \"https://example.com/last.jpg\"\n        ],\n        \"duration\": 6\n    }\n)\n","python",[67,355,356,366,372,378,389,397,408,421,431,436,445,457,469,483,493,498,504,509,515,524,531,540,551,560,565,574,585,597,605,613,619,625,635,640],{"__ignoreMap":120},[224,357,358,362],{"class":226,"line":227},[224,359,361],{"class":360},"snl16","import",[224,363,365],{"class":364},"s95oV"," requests\n",[224,367,368],{"class":226,"line":248},[224,369,371],{"emptyLinePlaceholder":370},true,"\n",[224,373,374],{"class":226,"line":259},[224,375,377],{"class":376},"sAwPA","# 1 枚の画像 → 最初フレーム駆動\n",[224,379,380,383,386],{"class":226,"line":269},[224,381,382],{"class":364},"response ",[224,384,385],{"class":360},"=",[224,387,388],{"class":364}," requests.post(\n",[224,390,391,394],{"class":226,"line":278},[224,392,393],{"class":238},"    \"https://api.evolink.ai/v1/videos/generations\"",[224,395,396],{"class":364},",\n",[224,398,399,403,405],{"class":226,"line":284},[224,400,402],{"class":401},"s9osk","    headers",[224,404,385],{"class":360},[224,406,407],{"class":364},"{\n",[224,409,410,413,416,419],{"class":226,"line":290},[224,411,412],{"class":238},"        \"Authorization\"",[224,414,415],{"class":364},": ",[224,417,418],{"class":238},"\"Bearer YOUR_API_KEY\"",[224,420,396],{"class":364},[224,422,423,426,428],{"class":226,"line":296},[224,424,425],{"class":238},"        \"Content-Type\"",[224,427,415],{"class":364},[224,429,430],{"class":238},"\"application/json\"\n",[224,432,433],{"class":226,"line":302},[224,434,435],{"class":364},"    },\n",[224,437,438,441,443],{"class":226,"line":308},[224,439,440],{"class":401},"    json",[224,442,385],{"class":360},[224,444,407],{"class":364},[224,446,447,450,452,455],{"class":226,"line":314},[224,448,449],{"class":238},"        \"model\"",[224,451,415],{"class":364},[224,453,454],{"class":238},"\"seedance-2.0-fast-image-to-video\"",[224,456,396],{"class":364},[224,458,459,462,464,467],{"class":226,"line":320},[224,460,461],{"class":238},"        \"prompt\"",[224,463,415],{"class":364},[224,465,466],{"class":238},"\"Camera slowly pushes in, the scene comes alive\"",[224,468,396],{"class":364},[224,470,471,474,477,480],{"class":226,"line":326},[224,472,473],{"class":238},"        \"image_urls\"",[224,475,476],{"class":364},": [",[224,478,479],{"class":238},"\"https://example.com/scene.jpg\"",[224,481,482],{"class":364},"],\n",[224,484,485,488,490],{"class":226,"line":332},[224,486,487],{"class":238},"        \"duration\"",[224,489,415],{"class":364},[224,491,492],{"class":234},"5\n",[224,494,496],{"class":226,"line":495},15,[224,497,329],{"class":364},[224,499,501],{"class":226,"line":500},16,[224,502,503],{"class":364},")\n",[224,505,507],{"class":226,"line":506},17,[224,508,371],{"emptyLinePlaceholder":370},[224,510,512],{"class":226,"line":511},18,[224,513,514],{"class":376},"# 2 枚の画像 → 最初・最後フレームのトランジションへ自動切り替え\n",[224,516,518,520,522],{"class":226,"line":517},19,[224,519,382],{"class":364},[224,521,385],{"class":360},[224,523,388],{"class":364},[224,525,527,529],{"class":226,"line":526},20,[224,528,393],{"class":238},[224,530,396],{"class":364},[224,532,534,536,538],{"class":226,"line":533},21,[224,535,402],{"class":401},[224,537,385],{"class":360},[224,539,407],{"class":364},[224,541,543,545,547,549],{"class":226,"line":542},22,[224,544,412],{"class":238},[224,546,415],{"class":364},[224,548,418],{"class":238},[224,550,396],{"class":364},[224,552,554,556,558],{"class":226,"line":553},23,[224,555,425],{"class":238},[224,557,415],{"class":364},[224,559,430],{"class":238},[224,561,563],{"class":226,"line":562},24,[224,564,435],{"class":364},[224,566,568,570,572],{"class":226,"line":567},25,[224,569,440],{"class":401},[224,571,385],{"class":360},[224,573,407],{"class":364},[224,575,577,579,581,583],{"class":226,"line":576},26,[224,578,449],{"class":238},[224,580,415],{"class":364},[224,582,454],{"class":238},[224,584,396],{"class":364},[224,586,588,590,592,595],{"class":226,"line":587},27,[224,589,461],{"class":238},[224,591,415],{"class":364},[224,593,594],{"class":238},"\"A smooth transition between two scenes\"",[224,596,396],{"class":364},[224,598,600,602],{"class":226,"line":599},28,[224,601,473],{"class":238},[224,603,604],{"class":364},": [\n",[224,606,608,611],{"class":226,"line":607},29,[224,609,610],{"class":238},"            \"https://example.com/first.jpg\"",[224,612,396],{"class":364},[224,614,616],{"class":226,"line":615},30,[224,617,618],{"class":238},"            \"https://example.com/last.jpg\"\n",[224,620,622],{"class":226,"line":621},31,[224,623,624],{"class":364},"        ],\n",[224,626,628,630,632],{"class":226,"line":627},32,[224,629,487],{"class":238},[224,631,415],{"class":364},[224,633,634],{"class":234},"6\n",[224,636,638],{"class":226,"line":637},33,[224,639,329],{"class":364},[224,641,643],{"class":226,"line":642},34,[224,644,503],{"class":364},[35,646,648],{"id":647},"例-fast-reference-to-video","例: Fast Reference-to-Video",[112,650,652],{"className":218,"code":651,"language":220,"meta":120,"style":120},"curl -X POST https://api.evolink.ai/v1/videos/generations \\\n  -H \"Authorization: Bearer YOUR_API_KEY\" \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\n    \"model\": \"seedance-2.0-fast-reference-to-video\",\n    \"prompt\": \"Replicate video 1's first-person perspective. Use audio 1 as background music throughout. Promo video opening.\",\n    \"image_urls\": [\"https://example.com/ref1.jpg\"],\n    \"video_urls\": [\"https://example.com/reference.mp4\"],\n    \"audio_urls\": [\"https://example.com/bgm.mp3\"],\n    \"duration\": 10,\n    \"quality\": \"720p\",\n    \"aspect_ratio\": \"16:9\"\n  }'\n",[67,653,654,666,674,682,688,693,734,739,744,749,754,758,763],{"__ignoreMap":120},[224,655,656,658,660,662,664],{"class":226,"line":227},[224,657,231],{"class":230},[224,659,235],{"class":234},[224,661,239],{"class":238},[224,663,242],{"class":238},[224,665,245],{"class":234},[224,667,668,670,672],{"class":226,"line":248},[224,669,251],{"class":234},[224,671,254],{"class":238},[224,673,245],{"class":234},[224,675,676,678,680],{"class":226,"line":259},[224,677,251],{"class":234},[224,679,264],{"class":238},[224,681,245],{"class":234},[224,683,684,686],{"class":226,"line":269},[224,685,272],{"class":234},[224,687,275],{"class":238},[224,689,690],{"class":226,"line":278},[224,691,692],{"class":238},"    \"model\": \"seedance-2.0-fast-reference-to-video\",\n",[224,694,695,698,701,704,707,710,713,716,719,722,725,728,731],{"class":226,"line":284},[224,696,697],{"class":238},"    \"prompt\": \"Replicate video 1's",[224,699,700],{"class":238}," first-person",[224,702,703],{"class":238}," perspective.",[224,705,706],{"class":238}," Use",[224,708,709],{"class":238}," audio",[224,711,712],{"class":234}," 1",[224,714,715],{"class":238}," as",[224,717,718],{"class":238}," background",[224,720,721],{"class":238}," music",[224,723,724],{"class":238}," throughout.",[224,726,727],{"class":238}," Promo",[224,729,730],{"class":238}," video",[224,732,733],{"class":238}," opening.\",\n",[224,735,736],{"class":226,"line":290},[224,737,738],{"class":238},"    \"image_urls\": [\"https://example.com/ref1.jpg\"],\n",[224,740,741],{"class":226,"line":296},[224,742,743],{"class":238},"    \"video_urls\": [\"https://example.com/reference.mp4\"],\n",[224,745,746],{"class":226,"line":302},[224,747,748],{"class":238},"    \"audio_urls\": [\"https://example.com/bgm.mp3\"],\n",[224,750,751],{"class":226,"line":308},[224,752,753],{"class":238},"    \"duration\": 10,\n",[224,755,756],{"class":226,"line":314},[224,757,299],{"class":238},[224,759,760],{"class":226,"line":320},[224,761,762],{"class":238},"    \"aspect_ratio\": \"16:9\"\n",[224,764,765],{"class":226,"line":326},[224,766,335],{"class":238},[35,768,770],{"id":769},"fast-を使うべきでない場合","Fast を使うべきでない場合",[131,772,773,779,785],{},[134,774,775,778],{},[19,776,777],{},"広告の最終納品物 / ブランドヒーロー映像"," — より安定したディテールのため Standard を選択",[134,780,781,784],{},[19,782,783],{},"顔のクローズアップや微表情ショット"," — Standard の方が精密",[134,786,787,790],{},[19,788,789],{},"9 枚の画像 + 3 本の動画 + 3 つの音声クリップ"," を組み合わせた複雑な reference-to-video 合成 — Standard は組み合わせシグナルの理解に優れます",[35,792,793],{"id":793},"関連",[131,795,796,803,809,815],{},[134,797,798],{},[799,800,802],"a",{"href":801},"/docs/models-overview","モデル概要",[134,804,805],{},[799,806,808],{"href":807},"/docs/text-to-video","Text-to-Video API",[134,810,811],{},[799,812,814],{"href":813},"/docs/image-to-video","Image-to-Video API",[134,816,817],{},[799,818,820],{"href":819},"/docs/reference-to-video","Reference-to-Video API",[822,823,824],"style",{},"html pre.shiki code .svObZ, html code.shiki .svObZ{--shiki-default:#B392F0}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);}html pre.shiki code .snl16, html code.shiki .snl16{--shiki-default:#F97583}html pre.shiki code .s95oV, html code.shiki .s95oV{--shiki-default:#E1E4E8}html pre.shiki code .sAwPA, html code.shiki .sAwPA{--shiki-default:#6A737D}html pre.shiki code .s9osk, html code.shiki .s9osk{--shiki-default:#FFAB70}",{"title":120,"searchDepth":248,"depth":248,"links":826},[827,828,829,830,831,832,833,834],{"id":37,"depth":248,"text":38},{"id":123,"depth":248,"text":124},{"id":195,"depth":248,"text":195},{"id":214,"depth":248,"text":215},{"id":347,"depth":248,"text":348},{"id":647,"depth":248,"text":648},{"id":769,"depth":248,"text":770},{"id":793,"depth":248,"text":793},"Seedance 2.0 Fast モデルファミリー（fast-text-to-video / fast-image-to-video / fast-reference-to-video）: より高速な生成、より低い秒単価、同一の API 形状。","md",{},"/ja/docs/fast-models",{"title":5,"description":835},"ja/docs/fast-models","nzVimtx0CRUbf0pSGQMY7tXi0KmjJGE5I07tE8natME",1776086322546]