OpenAI Visionで画像分析しバイナリデータを保持
これはContent Creation, Multimodal AI分野の自動化ワークフローで、7個のノードを含みます。主にMerge, FormTrigger, Agent, OpenAi, LmChatOpenAiなどのノードを使用。 OpenAI Vision で画像の分析を行いながら、バイナリデータを再利用するための保持
- •OpenAI API Key
{
"meta": {
"instanceId": "ad0113c344ee237399e44e9f11798b05baeb83a6196d514a9ae9d2ad71c3b5c9",
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "d49cdb6a-5084-4c00-a40f-062c157a9b3d",
"name": "Form Trigger1",
"type": "n8n-nodes-base.formTrigger",
"position": [
-928,
10784
],
"webhookId": "d6f874ec-6cb3-46c7-8507-bd647c2484f0",
"parameters": {
"path": "d6f874ec-6cb3-46c7-8507-bd647c2484f0",
"options": {},
"formTitle": "Image Document Upload",
"formFields": {
"values": [
{
"fieldType": "file",
"fieldLabel": "data"
}
]
},
"formDescription": "Upload a image document for AI analysis"
},
"typeVersion": 2
},
{
"id": "a363370d-851d-4452-ac9a-b0f5d6a7107e",
"name": "Analyze image",
"type": "@n8n/n8n-nodes-langchain.openAi",
"position": [
-368,
10576
],
"parameters": {
"text": "=data",
"modelId": {
"__rl": true,
"mode": "list",
"value": "gpt-4o",
"cachedResultName": "GPT-4O"
},
"options": {},
"resource": "image",
"inputType": "base64",
"operation": "analyze"
},
"credentials": {
"openAiApi": {
"id": "4l6TDfLZVFS24g3X",
"name": "OpenAi account 4"
}
},
"typeVersion": 1.8
},
{
"id": "a0270371-928d-4084-8c07-6ff8936837c0",
"name": "マージ1",
"type": "n8n-nodes-base.merge",
"position": [
-160,
10960
],
"parameters": {
"mode": "combine",
"options": {},
"combineBy": "combineByPosition"
},
"typeVersion": 3.2
},
{
"id": "76a6e130-ea39-4b6e-8bbd-200c0a57ed99",
"name": "付箋",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1280,
10336
],
"parameters": {
"color": 7,
"width": 2144,
"height": 1056,
"content": "### 🖼️ Use Binary Field after next step\n\nThis workflow demonstrates how to **preserve and reuse an uploaded file (binary/base64)** after a downstream step by using a **Merge** node (`combineByPosition`). A user uploads an image via **Form Trigger** → the image is analyzed with **OpenAI Vision** → results are **merged back** with the original upload so the next **AI Agent** step can access **both** the original file (`data`) and the first analysis (`content`) at the same time.\n"
},
"typeVersion": 1
},
{
"id": "79d53391-5e87-472a-bd08-e5cd7d43a39a",
"name": "付箋3",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1728,
10336
],
"parameters": {
"width": 400,
"height": 1056,
"content": "\n\n## 📬 Contact \nNeed help customizing this (e.g., filtering by campaign, sending reports by email, or formatting your PDF)? \n\n- 📧 **rbreen@ynteractive.com** \n- 🔗 **https://www.linkedin.com/in/robert-breen-29429625/** \n- 🌐 **https://ynteractive.com**\n"
},
"typeVersion": 1
},
{
"id": "f77d1571-f807-48f9-a523-582ffb48f2e5",
"name": "AI エージェント",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
240,
10880
],
"parameters": {
"text": "=data\n {{ $json.content }}",
"options": {
"systemMessage": "analyze the image again and see if you get the same result. "
},
"promptType": "define"
},
"typeVersion": 2.2
},
{
"id": "5bbd5de7-cdaf-4a65-92ad-f29830a710b1",
"name": "OpenAI チャットモデル",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
208,
11088
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4.1-mini"
},
"options": {}
},
"credentials": {
"openAiApi": {
"id": "4l6TDfLZVFS24g3X",
"name": "OpenAi account 4"
}
},
"typeVersion": 1.2
}
],
"pinData": {},
"connections": {
"Merge1": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"a363370d-851d-4452-ac9a-b0f5d6a7107e": {
"main": [
[
{
"node": "Merge1",
"type": "main",
"index": 0
}
]
]
},
"d49cdb6a-5084-4c00-a40f-062c157a9b3d": {
"main": [
[
{
"node": "a363370d-851d-4452-ac9a-b0f5d6a7107e",
"type": "main",
"index": 0
},
{
"node": "Merge1",
"type": "main",
"index": 1
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
}
}
}このワークフローの使い方は?
上記のJSON設定コードをコピーし、n8nインスタンスで新しいワークフローを作成して「JSONからインポート」を選択、設定を貼り付けて認証情報を必要に応じて変更してください。
このワークフローはどんな場面に適していますか?
中級 - コンテンツ作成, マルチモーダルAI
有料ですか?
このワークフローは完全無料です。ただし、ワークフローで使用するサードパーティサービス(OpenAI APIなど)は別途料金が発生する場合があります。
関連ワークフロー
Robert Breen
@rbreenProfessional services consultant with over 10 years of experience solving complex business problems across industries. I specialize in n8n and process automation—designing custom workflows that integrate tools like Google Calendar, Airtable, GPT, and internal systems. Whether you need to automate scheduling, sync data, or streamline operations, I build solutions that save time and drive results.
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