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r/LangChain is a subreddit with 57k members. Its distinguishing qualities are that the community is large in size, and has high activity.
LangChain is an open-source framework and developer toolkit that helps developers get LLM applications from prototype to production.
It is available for Python and Javascript at https://www.langchain.com/.
Popular Themes in r/LangChain
#1
Solution Requests
: "Best Agentic AI Framework to use in Production"
20 posts
#2
Advice Requests
: "Yesterday OpenAI released the product I was working on for the last six months, need advice"
11 posts
#3
Ideas
: "I Built an LLM Framework in 179 Lines—Why Are the Others So Bloated? 🤯"
10 posts
#4
Self-Promotion
: "I open-sourced Klee today, a desktop app designed to run LLMs locally with ZERO data collection. It also includes built-in RAG knowledge base and note-taking capabilities."
4 posts
#5
Opportunities
: "Looking for Collaborators to port and build an agent like manus in smolagents"
1 post
Popular Topics in r/LangChain
#1
Rag
: "Implemented 20 Rag Techniques in a Simpler Way"
51 posts
#2
Langgraph
: "Langgraph, a rant"
49 posts
#3
Ai
: "OpenAi’s new enterprise Ai guide is a goldmine for real-world adoption"
44 posts
#4
Langchain
: "Working with Langchain be like"
41 posts
#5
Agent
: "10 Agent Papers You Should Read from March 2025"
34 posts
#6
Llm
: "every Llm metric you need to know"
30 posts
#7
Web
22 posts
#8
Website
21 posts
#9
Mcp
: "FastAPI to Mcp auto generator that is open source"
19 posts
#10
Chatbot
: "Looking for Developers: AI Chatbot for Collective Agreements & Sports Coaches"
18 posts
Member Growth in r/LangChain
Yearly
+38k members(208.2%)
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