OpenAI API
How vibe coders and indie builders use OpenAI API: 666 projects built with it since May 2026.
Projects built with it
666
Share of stated stacks, 4 wks
4.1%
Last 4 weeks vs 8 before
-9%
Add-ons built for it
0
Share of stated stacks, per week
Share rather than counts, so changes in how many posts a subreddit lets through don't show up as trends.
Often used with
- Claude API 332
- Gemini API 213
- Ollama 111
- OpenRouter 82
- Groq 65
- Supabase 65
- Next.js 62
- Python 59
What's built with it
Latest projects built with OpenAI API
- Lison — Gives access to many third-party AI models for chat, images, video and music in one web interface.“I built Lison — one studio for 40+ AI models (chat, images, video, music)”
- Deskly — Lets users manage AI coding agents as employees in a 3D office, assigning them tasks in a project folder with approval before commands run.“I built a first-person 3D office where your AI agents are your employees (open source)”
- ParrotVoice — Lets a computer act as a phone's Bluetooth headset so a voice AI can answer and place calls on the user's existing phone number.“I built a way to let AI answer and make calls on my own phone number. Works with any iPhone call app (WhatsApp, WeChat, FaceTime)”
- MeetNote — Transcribes Google Meet captions in the browser and generates a summary with decisions and action items after the call.“I built a Chrome extension that takes notes in Google Meet without adding a bot to the call”
- Tetr — Lets users handwrite notes on iPad or iPhone and get AI answers placed on the page next to circled questions.“Tetr”
- I built an AI app that answers… — Replies to WhatsApp customer messages for small businesses using only the owner's business info and FAQ, and hands chats to a human when it cannot answer.“I built an AI app that answers WhatsApp messages for small businesses. I'm discontinuing the project, does anyone want to take it over?”
- Blupe Playground — Lets the public remotely control robotic arms through a browser to test a new Astra model.“Control my robots”
- Pony — Lets an external AI agent read an Android phone's screen and tap and type through apps that have no API, asking before sending, paying or deleting anything.“Pony - the hands that let your AI use your Android phone”
- Delegation Pipeline — Offloads routine coding tasks from Claude Code to a cheap OpenAI-compatible model and returns a git diff for review.“Show HN: Delegation Pipeline – offload Claude Code grunt work to cheap models (86% fewer tokens)”
- The Imitation Desk — Produces a clay-animated news show where four AI model characters debate and discuss news stories with lines generated live by their models.“I built a clay-animated AI news show where GPT, Claude, Grok and Llama write every line themselves”
- OpenNotch — Turns the MacBook notch into an AI assistant that can run tools on the Mac, asking for approval before risky actions.“I spent my evenings making the MacBook notch useful: an open-source AI assistant + a jelly blob named Puff" + video.”
- mindmap.io — Provides a mindmap canvas where each node can be a live AI model conversation, with branching and multi-model support.“You and your AI agents' favorite mindmapping tool”
- Chronicle — Runs a fantasy text RPG where an AI game master narrates while the engine enforces world rules, inventory, injuries and travel as database state.“I made the game master of my AI RPG swappable, so your own Claude Code or Codex can run the world”
- llmwise — Lets users switch between multiple AI chat models within a single conversation while preserving the full chat history.“i made a chat app where you can switch between claude, gpt and gemini mid conversation without losing context”
- Traitors UK simulation — Runs a simulated version of The Traitors UK with AI agents that hold conversations, keep memories and relationships, and vote and murder according to the show's rules.“The Traitors UK starts tonight at 8pm UK time and I've built a parallel universe of AI agents which will run at the same time with murders, suspicion and 100% emergent behaviour over the next 30 days”