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
: "Best open source document PARSER??!!"
44 posts
#2
Advice Requests
: "Applying RAG to Large-Scale Code Repositories - Guide"
29 posts
#3
Pain & Anger
: "Confused between Lambda, EC2 and ECS for my slack RAG chatbot"
10 posts
#4
Self-Promotion
: "Built my own LangChain alternative for multi-LLM routing & analytics"
8 posts
#5
Ideas
: "A High-Level Search Agent that Handles Low-Level Search and Crawling Complexities"
4 posts
#6
News
: "Langrunner Simplifies Remote Execution in Generative AI Workflows"
3 posts
#7
Money Talk
: "I am starting to learn langchain and wathing tutorials on it. But to use language models i need credits. Which model provides free credits for some period or for a student account?"
1 post
#8
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
: "Python Devs Prefer RAG Models: Insights on Langchain and Django vs. Flask"
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 Customer Support Lagchain Chatbot That Protects against PII - Here's How"
27 posts
#4
Llm
: "How to get structured output (JSON) from your Llm."
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
: "Autoshorts AI - Open-source AI Silence Remover from videos Tutorial"
6 posts
#9
Conversation
: "How do I amend this script which uses Langchain's "ConversationChain" and "ConversationBufferMemory" so that it only outputs the AI response but is still Conversational and the AI still has memory"
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
+193 members(11.8%)
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Last updated: August 26, 2026