🐋 DeepSeek V3 Chat & R1 Reasoning Quick Start

This workflow integrates the latest chat and reasoning models, supporting multiple invocation methods to achieve intelligent and continuous contextual dialogue processing. By flexibly configuring system messages and model switching, it enhances natural language understanding and reasoning capabilities, addressing the challenges of deep reasoning and context management faced by traditional chatbots. It is suitable for scenarios such as intelligent customer service, enterprise knowledge base Q&A, and research and development assistance, providing users with an efficient and accurate interactive experience.

Workflow Diagram
🐋 DeepSeek V3 Chat & R1 Reasoning Quick Start Workflow diagram

Workflow Name

🐋 DeepSeek V3 Chat & R1 Reasoning Quick Start

Key Features and Highlights

This workflow integrates DeepSeek’s latest V3 chat model and R1 reasoning model, supporting multiple invocation methods (HTTP requests, Ollama local models). Combined with LangChain’s conversation triggers and memory buffers, it enables intelligent and continuous context-aware dialogue processing. Through flexible system message configuration and multi-model switching, it delivers powerful natural language understanding and reasoning capabilities.

Core Problems Addressed

Traditional chatbots struggle with deep reasoning and context memory management. This workflow leverages DeepSeek’s advanced models and the LangChain framework to meet the demands of complex reasoning and persistent dialogue state management in intelligent Q&A, significantly enhancing interaction accuracy and coherence.

Application Scenarios

  • Intelligent customer service systems providing accurate and logically rigorous responses
  • Enterprise knowledge base Q&A supporting complex information retrieval and reasoning
  • R&D assistance for rapid access to expert domain advice
  • Any scenario requiring multi-turn conversations with reasoning capabilities

Main Workflow Steps

  1. When chat message received: Trigger the start of the conversation
  2. Basic LLM Chain2: Initial processing and response generation
  3. Invoke Ollama local DeepSeek R1 model (Ollama DeepSeek): Perform local reasoning computations
  4. Invoke DeepSeek OpenAI-compatible model (DeepSeek): Use HTTP requests to call DeepSeek V3 or Reasoner models for deep reasoning
  5. Window Buffer Memory: Manage dialogue context to maintain multi-turn conversation coherence
  6. AI Agent Coordination (AI Agent): Acts as the dialogue assistant, integrating outputs from all modules to ensure response quality

Involved Systems or Services

  • DeepSeek API (including deepseek-chat V3 and deepseek-reasoner R1)
  • Ollama local model platform (deepseek-r1:14b)
  • LangChain n8n plugin nodes (chatTrigger, agent, memoryBufferWindow, lmChatOpenAi, lmChatOllama, etc.)
  • HTTP request nodes (for calling DeepSeek REST API)

Target Users and Value

  • AI developers and automation engineers: Quickly build chatbots with reasoning capabilities
  • Enterprise product managers: Integrate deep Q&A functionality to enhance customer service experience
  • Data scientists and researchers: Explore intelligent dialogue applications with multi-model fusion
  • Tech enthusiasts and innovation teams: Experience and validate cutting-edge natural language processing technologies

This workflow offers users an out-of-the-box intelligent dialogue solution combining DeepSeek and LangChain, balancing remote model invocation and local reasoning. It is flexible and feature-rich, empowering the creation of intelligent interactive experiences.