r/LLMDevs

Community Overview

About r/LLMDevs

A space for Enthusiasts, Developers and Researchers to discuss LLMs and their applications.

The community at a glance

r/LLMDevs is a Subreddit for Programmers, Artificial Intelligence, and Vibe Coders with roughly 157K members. It uses a forum format for communication. On the Hive Index it ranks #6 in the Vibe Coding communities list.

Roughly 63K members have joined in the past year. Popular discussion topics include Ai, Llm, and Coding. Common discussion themes are Solution Requests and Advice Requests.

On Reddit
157K Members

Subreddit Analysis

via GummySearch
Yearly: +63K members
Growth: +67.2% / year

Member growth over time

All time (yearly)

  • 2024: 19K members
  • 2025: 103K members
  • 2026: 31K members

Past year (monthly)

  • Aug: 7K members
  • Sep: 6K members
  • Oct: 5K members
  • Nov: 6K members
  • Dec: 4K members
  • Jan: 3K members
  • Feb: 5K members
  • Mar: 5K members
  • Apr: 6K members
  • May: 5K members
  • Jun: 6K members
  • Jul: 643 members

Themes

  • Solution Requests
    13 posts in the past month
    1. recommendations for best open-source library/framework for implementing automatic LLM routing in a personal project?
    2. Best LLM gateway for internal access across multiple vendors, LiteLLM or something else?
    3. Looking for a LiteLLM Alternative, What Are You Running Instead?
    #1
    Solution Requests
    recommendations for best open-source library/framework for implementing automatic LLM routing in a personal project? · Best LLM gateway for internal access across multiple vendors, LiteLLM or something else? · Looking for a LiteLLM Alternative, What Are You Running Instead?
    13
  • Advice Requests
    8 posts in the past month
    1. What do you do when the API powering your AI app is down ?
    2. Keeping up to date
    3. SambaNova vs Nvidia for agents: What I learned about agentic workloads
    #2
    Advice Requests
    What do you do when the API powering your AI app is down ? · Keeping up to date · SambaNova vs Nvidia for agents: What I learned about agentic workloads
    8
  • Pain & Anger
    1 post in the past month
    1. We sent the same JSON Schema to GPT-5.5, Claude, Gemini, DeepSeek, and Kimi. The outputs weren't as consistent as we expected.
    #3
    Pain & Anger
    We sent the same JSON Schema to GPT-5.5, Claude, Gemini, DeepSeek, and Kimi. The outputs weren't as consistent as we expected.
    1
  • Ideas
    1 post in the past month
    1. Building an "AI Agent Debugger" would this actually solve a real problem for you?
    #4
    Ideas
    Building an "AI Agent Debugger" would this actually solve a real problem for you?
    1

Topics

  • Ai
    52 posts in the past month
    1. What do you do when the API powering your AI app is down ?
    2. running adversarial prompt injection on our agent. fail rate is ~20%. how are people getting below 5%?
    3. American businesses are using Chinese AI again?
    #1
    Ai
    What do you do when the API powering your AI app is down ? · running adversarial prompt injection on our agent. fail rate is ~20%. how are people getting below 5%? · American businesses are using Chinese AI again?
    52
  • Llm
    47 posts in the past month
    1. Can you actually trust LLM-as-judge?
    2. Best LLM gateway for self-hosted production, what are teams actually using in 2026?
    3. LLM as a Judge is not a Unit Test
    #2
    Llm
    Can you actually trust LLM-as-judge? · Best LLM gateway for self-hosted production, what are teams actually using in 2026? · LLM as a Judge is not a Unit Test
    47
  • Coding
    26 posts in the past month
    1. running adversarial prompt injection on our agent. fail rate is ~20%. how are people getting below 5%?
    #3
    Coding
    running adversarial prompt injection on our agent. fail rate is ~20%. how are people getting below 5%?
    26
  • Agent
    21 posts in the past month
    1. RAG has not felt like enough for agent memory, at least in my testing
    2. Built a free research agent MCP to save claude code tokens
    3. Tidebase: open source auth, credential brokering, checkpoints, queues, schedules, and gates for your agents, in your own Postgres.
    #4
    Agent
    RAG has not felt like enough for agent memory, at least in my testing · Built a free research agent MCP to save claude code tokens · Tidebase: open source auth, credential brokering, checkpoints, queues, schedules, and gates for your agents, in your own Postgres.
    21
  • Memory
    15 posts in the past month
    1. RAG has not felt like enough for agent memory, at least in my testing
    2. I built an enterprise-style memory governance layer for AI assistants - looking for architecture feedback
    #5
    Memory
    RAG has not felt like enough for agent memory, at least in my testing · I built an enterprise-style memory governance layer for AI assistants - looking for architecture feedback
    15

Flair

  • Discussion
    115 posts in the past month
    1. After building with LLMs for a year, I've changed my mind about agents
    2. What do you do when the API powering your AI app is down ?
    3. What made Anthropic Mythos and Fable so much better?
    #1
    Discussion
    After building with LLMs for a year, I've changed my mind about agents · What do you do when the API powering your AI app is down ? · What made Anthropic Mythos and Fable so much better?
    115
  • Help Wanted
    28 posts in the past month
    1. Just got this response from Claude. What is going on?
    2. Running 800k eval judgments/week at $2.4k/month judge spend. anyone optimized this without losing signal?
    3. recommendations for best open-source library/framework for implementing automatic LLM routing in a personal project?
    #2
    Help Wanted
    Just got this response from Claude. What is going on? · Running 800k eval judgments/week at $2.4k/month judge spend. anyone optimized this without losing signal? · recommendations for best open-source library/framework for implementing automatic LLM routing in a personal project?
    28
  • Tools
    24 posts in the past month
    1. I built a game where your only goal is to gaslight an AI intern into committing fraud
    2. Local proxy for reducing repeated LLM context
    3. Detecting Hallucinations and Prompt Injections in Flight: An Open-Source Governance Proxy
    #3
    Tools
    I built a game where your only goal is to gaslight an AI intern into committing fraud · Local proxy for reducing repeated LLM context · Detecting Hallucinations and Prompt Injections in Flight: An Open-Source Governance Proxy
    24
  • Resource
    15 posts in the past month
    1. I open-sourced a local control loop for debugging and improving AI agents with Claude Code / Codex
    2. Context Recycling for Long-Horizon LLM Inference (ContextForge) + LLM Wiki + long-horizon benchmark results
    3. Firecrawl vs Crawl4AI cheatsheet
    #4
    Resource
    I open-sourced a local control loop for debugging and improving AI agents with Claude Code / Codex · Context Recycling for Long-Horizon LLM Inference (ContextForge) + LLM Wiki + long-horizon benchmark results · Firecrawl vs Crawl4AI cheatsheet
    15
  • Great Resource 🚀
    10 posts in the past month
    1. Hi Reddit, I posted my How to Build Your Own LLM workshop to Youtube
    2. I reverse engineered Windows Copilot into a free OpenAI compatible API (GPT-4o, no API key, no billing)
    3. Claude Fable 5 distilled
    #5
    Great Resource 🚀
    Hi Reddit, I posted my How to Build Your Own LLM workshop to Youtube · I reverse engineered Windows Copilot into a free OpenAI compatible API (GPT-4o, no API key, no billing) · Claude Fable 5 distilled
    10

Frequently asked questions

Who is r/LLMDevs for?
Best for Programmers and Artificial Intelligence and Vibe Coders enthusiasts looking for a Reddit-based community with forum discussion.
Is r/LLMDevs free to join?
This listing is not marked as paid-only. Access rules and any fees are decided by the community.
How many members does r/LLMDevs have?
Roughly 157K members, based on figures reported by the community or its host. Member counts are approximate and change over time.
What platform is r/LLMDevs on?
r/LLMDevs runs on Reddit. Reddit communities (or "subreddits") are forum-based groups on the popular social news aggregation, web content rating, and discussion website Reddit. Reddit is commonly known as "the front page of the internet". Users submit content to the site such as links, text posts, and images, which are then voted up or down and discussed by other members. From investing Reddit communities, to professional ones, to ones just for laughs, you're likely to find a community for you on Reddit.
What topics does r/LLMDevs cover?
On the Hive Index, r/LLMDevs is organized under Programmers, Artificial Intelligence, Vibe Coders.
How do I join r/LLMDevs?
You can join r/LLMDevs by clicking this link, or pressing the "Go to community" button above.
What are the Software Development communities like?
The largest tech-adjacent category on the site, covering software engineering across languages, frameworks, and specialties. Discord and Slack host communities for specific languages and stacks, while Reddit has massive general programming communities. Good for code review, career advice, tool recommendations, and connecting with developers at similar stages.