r/LLMDevs is a subreddit with 154k members. The most common kinds of discussions are advice requests and money talk, and the community frequently discusses ai, llm, agent, memory, and coding, and they frequently recommend/review llm, framework, and ide.
A space for Enthusiasts, Developers and Researchers to discuss LLMs and their applications.
Popular Themes in r/LLMDevs
#1
Advice Requests
: "Spent 3 months evaluating Galileo, Arize, Langfuse and LangSmith for production LLM monitoring. Notes for anyone doing the same."
6 posts
#2
Money Talk
: "AI consultant reveals a client accidentally spent $500,000,000.00 in a single month after failing to set employee limits on Claude usage."
6 posts
#3
Solution Requests
: "I open-sourced a local control loop for debugging and improving AI agents with Claude Code / Codex"
5 posts
#4
Pain & Anger
: "Frustrated with retries in a multi agent system how are you handling recovery?"
2 posts
#5
Opportunities
: "Building a dependency graph for MCP agents to avoid repeatedly re-reading codebases and it saved $60k dollars in a month"
1 post
#6
Self-Promotion
: "I built an MCP server that compresses your codebase ~85% so reasoning models stop burning context re-reading files"
1 post
Popular Topics in r/LLMDevs
#1
Ai
: "This site tracks 1,100+ Ai benchmarks and models from every lab and independent evals"
118 posts
#2
Llm
: "Why have most Llm providers stopped offering finetuning?"
97 posts
#3
Agent
: "addyosmani/Agent-skills hit 59k stars - production-grade engineering skills packaged for AI coding Agents"
58 posts
#4
Memory
: "I tested in-conversation Memory on LFM2.5, Gemma 4 E2B and E4B. The biggest model forgot a fact from earlier in the chat first."
46 posts
#5
Coding
: "I built a Claude Code–style Coding agent in ~5,000 lines of pure Python to teach how agents actually work (20-chapter course, no frameworks)"
42 posts
#6
Agents
: "Landscape of second brain and memory solutions for AI native workflow"
39 posts
#7
Model
: "This site tracks 1,100+ AI benchmarks and Models from every lab and independent evals"
35 posts
#8
Hindsight
: "How Hindsight Helped My Reviewer Remember Ignored Fixes"
21 posts
#9
Code
: "I built an MCP server that compresses your Codebase ~85% so reasoning models stop burning context re-reading files"
20 posts
#10
Prompt
: "How we moved Prompt injection protections from the agent into the MCP server"
13 posts
Products Discussed in r/LLMDevs
Flair Used in r/LLMDevs
#1
Discussion
: "What made Anthropic Mythos and Fable so much better?"
121 posts
#2
Help Wanted
: "Trained a custom 1B SLM from scratch for ~$10 on a single A40 — looking for feedback/improvements"
21 posts
#3
Resource
: "Landscape of second brain and memory solutions for AI native workflow"
20 posts
#4
Tools
: "Local proxy for reducing repeated LLM context"
15 posts
#5
News
: "AI consultant reveals a client accidentally spent $500,000,000.00 in a single month after failing to set employee limits on Claude usage."
11 posts
#6
Great Resource 🚀
: "Hi Reddit, I posted my How to Build Your Own LLM workshop to Youtube"
10 posts
#7
Great Discussion 💭
: "Unpopular opinion: the gap between agent demos and agents running in production is wider than people are saying in the space"
2 posts
Member Growth in r/LLMDevs
Yearly
+63k members(68.9%)
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Last updated: June 19, 2026