r/Langchaindev is a subreddit with 2k members. The most common kinds of discussions are solution requests and advice requests, and the community frequently discusses langchain, ai, chatbot, llm, and rag.
The (unofficial) Langchain subreddit for all things Langchain and AI!
Popular Themes in r/Langchaindev
#1
Solution Requests
: "How to Encrypt Client Data Before Sending to an API-Based LLM?"
25 posts
#2
Advice Requests
: "How to add citations to a Rag"
15 posts
#3
Pain & Anger
: "Decline in Context Awareness and Code Generation Quality in GPT-4?"
8 posts
#4
Self-Promotion
: "Built my own LangChain alternative for multi-LLM routing & analytics"
4 posts
#5
Ideas
: "A High-Level Search Agent that Handles Low-Level Search and Crawling Complexities"
3 posts
#6
News
: "Why does Qodo chose LangGraph to build its AI coding agent"
2 posts
#7
Opportunities
: "Anyone looking for a job creating AI agents for companies in Sweden? You are in early. Equity will be awarded along with the companies growth."
1 post
Popular Topics in r/Langchaindev
#1
Langchain
: "Langchain keeps “almost working”? use a Problem Map to fix the repeat failures"
83 posts
#2
Ai
: "Anyone looking for a job creating Ai agents for companies in Sweden? You are in early. Equity will be awarded along with the companies growth."
48 posts
#3
Chatbot
: "I built a Streamlit app with a local RAG-Chatbot powered by DeepSeek's R1 model. It's using LMStudio, LangChain, and the open-source vector database FAISS to chat with Markdown files."
27 posts
#4
Llm
: "Moving from RAG Retrieval to an Llm-Powered Interface"
15 posts
#5
Rag
: "How to add citations to a Rag"
10 posts
#6
Course
7 posts
#7
Openai
: "We built C1 - an Openai-compatible API that returns real UI instead of markdown"
7 posts
#8
Tutorial
6 posts
#9
Conversation
6 posts
#10
Gpt
: "Few-Shot Examples “Leaking” Into Gpt-3.5 Responses – Anyone Else Encountered This?"
5 posts
Member Growth in r/Langchaindev
Yearly
+227 members(14.2%)
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Last updated: July 31, 2026