r/OpenAIDev is a subreddit with 15k members. The most common kinds of discussions are solution requests and self-promotion, and the community frequently discusses ai, openai, api, codex, and mcp.
OpenAI Sub specifically for developer related topics and talks.
Popular Themes in r/OpenAIDev
#1
Solution Requests
: "Best current methods for finetuning whisper on domain specific vocabulary? [P]"
11 posts
#2
Self-Promotion
: "I built a local OpenCode GUI for long-running AI coding tasks"
8 posts
#3
Pain & Anger
: "How JSON Bloat is Secretly Invoicing You Into Bankruptcy"
5 posts
#4
Money Talk
: "Anyone interested in buying $3500 worth of openai credits?"
2 posts
#5
Ideas
: "Feature idea: thread "fold/unfold" for long conversations. Does anyone think this is feasible?"
1 post
Popular Topics in r/OpenAIDev
#1
Ai
: "Introducing the Manifest Generator Create your own Sovereign Ai with 605 lines of CODE"
17 posts
#2
Openai
: "I'm trying to understand how people handle code execution when using the Openai Responses API with code_interpreter."
10 posts
#3
Api
: "I'm trying to understand how people handle code execution when using the OpenAI Responses Api with code_interpreter."
4 posts
#4
Codex
: "WARNING: Buying Codex credits through the desktop app cost me an unexpected $82.73 because it apparently re-enabled Auto Top-up."
4 posts
#5
Mcp
: "Replacing a shared .env file with scoped Mcp tokens"
3 posts
#6
Json
: "How Json Bloat is Secretly Invoicing You Into Bankruptcy"
3 posts
#7
Developer
2 posts
#8
Model
: "GPT-5.6 spotted in internal Model-access route"
2 posts
#9
Chatgpt
2 posts
#10
App
: "With Codex I built a menu bar App to see what's listening on localhost and actually stop it"
2 posts
Member Growth in r/OpenAIDev
Yearly
+5k members(45.7%)
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Last updated: July 12, 2026