Telegram AI Langchain bot

Build an intelligent Telegram bot that leverages the power of AI to respond to user queries and generate images on demand. This workflow connects Telegram for user interaction with OpenAI's advanced language models and DALL-E 3 for creative image generation. Users send messages to the bot via Telegram, which are then processed by an AI Agent powered by OpenAI's Chat Model and Window Buffer Memory, allowing for conversational context. If a user requests an image, the AI Agent triggers a sub-workflow that uses the DALL-E 3 Tool and an HTTP Request node to generate the image, which is then sent back to the user through Telegram. This automation is perfect for content creators looking to quickly generate visual assets, businesses offering interactive AI support, or individuals wanting a fun, AI-powered assistant directly within their Telegram chats, saving significant time and effort in content creation and customer engagement.

12 nodesmanual trigger99 views0 copiesSocial Media
TelegramOpenAI

Workflow JSON

{"id": "ax8PJlp1UDb6EGFt", "meta": {"instanceId": "fb924c73af8f703905bc09c9ee8076f48c17b596ed05b18c0ff86915ef8a7c4a"}, "name": "Telegram AI Langchain bot", "tags": [], "nodes": [{"id": "e275f31f-6a5f-4444-8bf7-6c003a8e53df", "name": "OpenAI Chat Model", "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi", "position": [1100, 600], "parameters": {"model": "gpt-4-1106-preview", "options": {"temperature": 0.7, "frequencyPenalty": 0.2}}, "credentials": {"openAiApi": {"id": "", "name": "[Your openAiApi]"}}, "typeVersion": 1}, {"id": "f25a6666-ff23-4372-afd0-4920a99aab6a", "name": "Window Buffer Memory", "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow", "position": [1220, 600], "parameters": {"sessionKey": "=chat_with_{{ $('Listen for incoming events').first().json.message.chat.id }}", "contextWindowLength": 10}, "typeVersion": 1}, {"id": "96faef5d-0349-47fe-a7cf-150953490e90", "name": "Telegram", "type": "n8n-nodes-base.telegram", "onError": "continueErrorOutput", "position": [1500, 380], "parameters": {"text": "={{ $json.output }}", "chatId": "={{ $('Listen for incoming events').first().json.message.from.id }}", "additionalFields": {"parse_mode": "HTML", "appendAttribution": false}}, "credentials": {"telegramApi": {"id": "", "name": "[Your telegramApi]"}}, "typeVersion": 1.1}, {"id": "5ad43039-aaa6-43cd-9b0f-1d02f4d9c4ff", "name": "Correct errors", "type": "n8n-nodes-base.telegram", "position": [1700, 380], "parameters": {"text": "={{ $('AI Agent').item.json.output.replace(/&/g, \"&amp;\").replace(/>/g, \"&gt;\").replace(/</g, \"&lt;\").replace(/\"/g, \"&quot;\") }}", "chatId": "={{ $('Listen for incoming events').first().json.message.from.id }}", "additionalFields": {"parse_mode": "HTML", "appendAttribution": false}}, "credentials": {"telegramApi": {"id": "", "name": "[Your telegramApi]"}}, "typeVersion": 1.1}, {"id": "0349a250-966a-4064-970a-8bcfba1647ad", "name": "Execute Workflow Trigger", "type": "n8n-nodes-base.executeWorkflowTrigger", "position": [940, 900], "parameters": {}, "typeVersion": 1}, {"id": "69a45c1f-838f-49ce-9b89-75db6a8b876f", "name": "Listen for incoming events", "type": "n8n-nodes-base.telegramTrigger", "position": [940, 380], "webhookId": "322dce18-f93e-4f86-b9b1-3305519b7834", "parameters": {"updates": ["message"], "additionalFields": {}}, "credentials": {"telegramApi": {"id": "", "name": "[Your telegramApi]"}}, "typeVersion": 1}, {"id": "2f5d5f25-9870-40d6-ad42-52750e62de63", "name": "Send back an image", "type": "n8n-nodes-base.telegram", "position": [1300, 900], "parameters": {"file": "={{ $json.data[0].url }}", "chatId": "={{ $('Execute Workflow Trigger').first().json.chat_id }}", "operation": "sendPhoto", "additionalFields": {"parse_mode": "HTML"}}, "credentials": {"telegramApi": {"id": "", "name": "[Your telegramApi]"}}, "typeVersion": 1.1}, {"id": "50b43dbf-39e3-4d00-8e47-01e8c193cd1a", "name": "add response field", "type": "n8n-nodes-base.set", "position": [1480, 900], "parameters": {"fields": {"values": [{"name": "response", "stringValue": "Success"}]}, "options": {}}, "typeVersion": 3.2}, {"id": "171bee83-c8e1-4af3-9d1c-12cb6ede4943", "name": "Sticky Note", "type": "n8n-nodes-base.stickyNote", "position": [900, 840], "parameters": {"width": 752.0361990950231, "height": 247.42081447963798, "content": "## Generate an image with Dall-E 3 and send it via Telegram"}, "typeVersion": 1}, {"id": "4d81d201-70bf-4c80-9689-4b65851ad770", "name": "Dall-E 3 Tool", "type": "@n8n/n8n-nodes-langchain.toolWorkflow", "position": [1360, 600], "parameters": {"name": "Draw_Dalle_image", "fields": {"values": [{"name": "chat_id", "stringValue": "={{ $('Listen for incoming events').first().json.message.chat.id }}"}]}, "workflowId": "={{ $workflow.id }}", "description": "Call this tool to request a Dall-E 3 model, when the user asks to draw something. Please send the user request for an image as an inline query string."}, "typeVersion": 1}, {"id": "39d532d3-8c96-4722-9cb0-cad92ff39e94", "name": "Generate image in Dall-E 3", "type": "n8n-nodes-base.httpRequest", "position": [1120, 900], "parameters": {"url": "https://api.openai.com/v1/images/generations", "method": "POST", "options": {}, "sendBody": true, "authentication": "predefinedCredentialType", "bodyParameters": {"parameters": [{"name": "model", "value": "dall-e-3"}, {"name": "prompt", "value": "={{ $json.query }}"}, {"name": "n", "value": 1}, {"name": "size", "value": "1024x1024"}]}, "nodeCredentialType": "openAiApi"}, "credentials": {"openAiApi": {"id": "", "name": "[Your openAiApi]"}}, "typeVersion": 4.1}, {"id": "e5aa496d-55d3-456b-82bb-fe10a06c7338", "name": "AI Agent", "type": "@n8n/n8n-nodes-langchain.agent", "position": [1140, 380], "parameters": {"text": "={{ $json.message.text }}", "options": {"humanMessage": "TOOLS\n------\nAssistant can ask the user to use tools to look up information that may be helpful in answering the users original question. The tools the human can use are:\n\n{tools}\n\n{format_instructions}\n\nUSER'S INPUT\n--------------------\nHere is the user's input (remember to respond with a markdown code snippet of a json blob with a single action, and NOTHING else):\n\n{{input}}", "systemMessage": "=You are a helpful AI assistant. You are chatting with the user named `{{ $json.message.from.first_name }}`. Today is {{ DateTime.fromISO($now).toLocaleString(DateTime.DATETIME_FULL) }}\n\nFrom time to time call a user by name (if the user name is provided). In your reply, always send a message in Telegram-supported HTML format. Here are the formatting instructions:\n1. The following tags are currently supported:\n<b>bold</b>, <strong>bold</strong>\n<i>italic</i>, <em>italic</em>\n<u>underline</u>, <ins>underline</ins>\n<s>strikethrough</s>, <strike>strikethrough</strike>, <del>strikethrough</del>\n<span class=\"tg-spoiler\">spoiler</span>, <tg-spoiler>spoiler</tg-spoiler>\n<b>bold <i>italic bold <s>italic bold strikethrough <span class=\"tg-spoiler\">italic bold strikethrough spoiler</span></s> <u>underline italic bold</u></i> bold</b>\n<a href=\"http://www.example.com/\">inline URL</a>\n<code>inline fixed-width code</code>\n<pre>pre-formatted fixed-width code block</pre>\n2. Any code that you send should be wrapped in these tags: <pre><code class=\"language-python\">pre-formatted fixed-width code block written in the Python programming language</code></pre>\nOther programming languages are supported as well.\n3. All <, > and & symbols that are not a part of a tag or an HTML entity must be replaced with the corresponding HTML entities (< with &lt;, > with &gt; and & with &amp;)\n4. If the user sends you a message starting with / sign, it means this is a Telegram bot command. For example, all users send /start command as their first message. Try to figure out what these commands mean and reply accodringly\n"}}, "typeVersion": 1.1}], "active": true, "pinData": {}, "settings": {"callerPolicy": "workflowsFromSameOwner", "executionOrder": "v1", "saveManualExecutions": true, "saveDataSuccessExecution": "all"}, "versionId": "3e9c27eb-1d2f-40bf-b284-4f6a1bece30c", "connections": {"AI Agent": {"main": [[{"node": "Telegram", "type": "main", "index": 0}]]}, "Telegram": {"main": [[], [{"node": "Correct errors", "type": "main", "index": 0}]]}, "Dall-E 3 Tool": {"ai_tool": [[{"node": "AI Agent", "type": "ai_tool", "index": 0}]]}, "OpenAI Chat Model": {"ai_languageModel": [[{"node": "AI Agent", "type": "ai_languageModel", "index": 0}]]}, "Send back an image": {"main": [[{"node": "add response field", "type": "main", "index": 0}]]}, "Window Buffer Memory": {"ai_memory": [[{"node": "AI Agent", "type": "ai_memory", "index": 0}]]}, "Execute Workflow Trigger": {"main": [[{"node": "Generate image in Dall-E 3", "type": "main", "index": 0}]]}, "Generate image in Dall-E 3": {"main": [[{"node": "Send back an image", "type": "main", "index": 0}]]}, "Listen for incoming events": {"main": [[{"node": "AI Agent", "type": "main", "index": 0}]]}}}

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  3. 3Click Import from JSON and paste the copied workflow.

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