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7,800+ fresh AI business ideas from the OpenAI hackathon

By Serhiy Khvashchuk · August 13, 2026 · No Comments

If you have problems coming up with bright ideas, say no more. Here is a searchable guide to the most recent OpenAI hackathon projects — 7,800+ fresh ideas, every one of them built by somebody who thought it was worth a weekend.

817 were built by teams and 7,033 by solo builders. Search the whole set below, or page through the full list — it is ranked by community likes, so the ideas people actually reacted to come first.

The judges have picked their winners. Meet the eight Build Week winners →

Browse the most-liked ideas by track: Apps for Your Life · Work & Productivity · Developer Tools · Education

All 7,800+ projects

Page 1 of 164 · ranked by likes

  1. #1

    Replay

    No more frustration for non reproducible bugs and non-verified work.

    Muhammed Al-Dulaimi

    ♥ 23Solo
  2. #2

    Hermes World

    Hermes World is a real-time visual observability layer for multi-agent AI systems.

    Filip Jaki

    ♥ 22Solo
  3. #3

    ChemSpec

    A chemistry app for students and educators, demonstrating the steps of a reaction at both the molecular and observational level.

    Charles Mills, pat Gutowski, Aryan Saini, Oliver Robbins

    ♥ 20Team of 4
  4. #4

    VoiceToLegacy

    A personal self publishing helper tool that includes an interviewer and editor, helping people remember, tell, and preserve their life stories.

    Aviya Keisar, Ohad GR

    ♥ 20Team of 2
  5. #5

    Doomo

    Doomo turns your daily choices into a companion you care about. Learning and real-world quests help him flourish; mindless phone use drains him.

    Zohair Ahmed, Muhammad Zamin

    ♥ 16Team of 2
  6. #6

    Flix

    Flix is a swiping movie and TV discovery app that builds smart algorithms to recommend movies/shows, tracks your watch progress, and keeps every release date in one smart calendar.

    Justin Cardwell

    ♥ 14Solo
  7. #7

    Sara Smartest Speaker

    Sara is the first smart speaker AI Agent. She can listen and talk and call a powerful hermes-agent with several skills, tools, scripts to do things impossible with current smart speakers.

    Brice Le Blevennec

    ♥ 14Solo
  8. #8

    LiveNode Decision Trace

    AI gives answers. Decision Trace preserves why—turning meeting transcripts into evidence-backed decisions and next actions.

    Takahiro Nochi

    ♥ 13Solo
  9. #9

    Breathawear

    Breathawear is an advanced wearable device that helps users improve their breathing habits by monitoring chest expansion.

    nmurrell07 Murrell

    ♥ 12Solo
  10. #10

    Expectro Health — Clinical Evidence

    Extending the vision of ChatGPT Health with Brazil-specific clinical evidence, pharmacovigilance, and regulatory data—bilingual, traceable, and built for clinicians.

    Claudio Carvalho

    ♥ 12Solo
  11. #11

    Sense²

    Sight, translated to sound.

    Manan Dubey, Sparsh Parashar

    ♥ 12Team of 2
  12. #12

    Socratic Kernel — AI Active Recall and Voice Study from PDF

    Socratic Kernel compiles any textbook PDF into a live, voice-verified oral exam—masking key concepts, listening to spoken explanations, and revealing each answer only when its meaning is correct.

    Heejin Jo

    ♥ 11Solo
  13. #13

    BINER AI – Cring AI Wearable Platform

    On-Device AI wearable platform that continuously measures blood glucose / blood pressure using physiological signals from smart rings and wearables, delivering private, realtime health intelligence.

    Arnold ko, 봉근 박

    ♥ 10Team of 2
  14. #14

    How Codex Teams Stop Starting From Zero

    Give every new Codex verified team experience across sessions—then require repository checks and human approval before it acts.

    美帆 鈴木

    ♥ 10Solo
  15. #15

    MiniCloneHD

    Clone your Windows partition to a new disk—live, with no reboot.

    Ariel Williams

    ♥ 9Solo
  16. #16

    Moment Scraper

    We don’t take photos. We scrape moments. Moment Scraper is a wearable camera that lets you capture moments by framing them with your fingers. It preserves not just what you saw, but what it felt like.

    uezo chan

    ♥ 9Solo
  17. #17

    Only You

    Instagram is built for reach. WhatsApp buries memories. Only You is the end-to-end encrypted social network for families, couples, trips and events.

    Anis AYARI

    ♥ 9Solo
  18. #18

    RuntimE.Razor

    RuntimE.Razor helps AI coding agents identify and remove dead code using real runtime evidence rather than static code analysis alone.

    HeeJu Kim, Siying Gu, Ligao Zhang, Yunchai (Robin) Sung

    ♥ 9Team of 4
  19. #19

    Vera — Review-First AI for Accounting Practices

    A bounded Codex colleague that turns accounting evidence into reviewable work while professional judgment stays human.

    Fabio Annovazzi

    ♥ 9Solo
  20. #20

    InsightIQ

    InsightIQ is an AI-powered browser assistant that summarizes webpages, analyzes documents, answers questions about web content, and boosts productivity directly inside your browser.

    Asima Ashraf

    ♥ 8Solo
  21. #21

    Invector

    Deterministic SDF and Surface Nets tooling for cuttable, deformable game worlds.

    Ariel Williams

    ♥ 8Solo
  22. #22

    Odyssey

    Odyssey turns goals into daily quests, using smart planning, streaks, and rewards to make consistency feel achievable—one step at a time.

    Sajid Hameed, Muhammad Rohan, AJ Kid, Nah I'd code

    ♥ 8Team of 4
  23. #23

    Podo

    Evidence-backed incident response from runtime signal to an operator-approved, tested pull request.

    borkiss Yaroslav Bora, Vladyslav Ohirenko, Oleg, Fedir Tsarenko

    ♥ 8Team of 4
  24. #24

    Rosetta

    Decode papers. Adapt experiments. Learn by running them on your hardware.

    유찬 이

    ♥ 8Solo
  25. #25

    SPEKICAD

    From site photos to verified engineering specifications. Reworking a construction project again? SpekiCAD - now even your dog can handle it. (Created by an engineer tired of drafting)

    Boris TERENTENKO

    ♥ 8Solo
  26. #26

    STAYFI

    Turn hotel revenue evidence into a human-reviewed, auditable Seasonal Revenue Note workflow powered by GPT-5.6.

    OrangQ7 Zhao

    ♥ 8Solo
  27. #27

    BanglaVerse AI: Bengali Literature Research Assistant

    An AI-powered workspace that helps students, teachers and researchers analyze Bengali literature, create bilingual summaries, develop research outlines and produce educational content.

    Prof. Dr. Milton Biswas

    ♥ 7Solo
  28. #28

    DocuGuardian

    An AI Decision Copilot that transforms complex documents into proactive risk alerts, actionable recommendations, deadline tracking, and personalised guidance—before costly decisions are made.

    Ankit Kumar Singh, Ravina Bothra, Pradeep Yaduvanshy, Saurabh Kumar

    ♥ 7Team of 4
  29. #29

    Explainer Kit

    A Codex plugin for educational videos

    Gyana Ranjan, Fardeen Mansoori, Sonya P.

    ♥ 7Team of 3
  30. #30

    ProGenEDA

    ProGenEDA is building an AI-assisted EDA automation platform that converts circuit intent into editable and simulatable project files .

    Muhammad Taha Bin Zaeem

    ♥ 7Solo
  31. #31

    Reframe

    Voice-driven extended reality. GPT Realtime hears you, GPT-5.6 Sol plans agentic, and Reframe segments the object and rebuilds the background from monocular depth and TSDF fusion without LiDAR.

    Julian S., Lorenz Benke, Filip Paunovic

    ♥ 7Team of 3
  32. #32

    Road Speed

    Turn roadside video into defensible speed estimates with timestamp-accurate tracking, perspective-aware calibration, and clear visual evidence—all on iPhone.

    Paul Ledger

    ♥ 7Solo
  33. #33

    Speakworld

    Explore new places, meet local characters, and practice real conversations in an open-world AI-powered language learning game.

    Rehaan Cubes

    ♥ 7Solo
  34. #34

    trace

    The work behind the work deserves to be seen.

    Anirudh Madadi, Anmol Deepak, Anika Madadi

    ♥ 7Team of 3
  35. #35

    VibeSeq

    Say It. Hear It. Sequence It.

    Jae ho Lee

    ♥ 7Solo
  36. #36

    AISmith 3D

    AI Assisted 3D asset creation locally on Consumer PC/Laptops, full local pipeline from Mesh Generation, Retopo, Texturing to Animation

    intisarGIT Faiyaz

    ♥ 6Solo
  37. #37

    AJÒ Beach

    An installable AI beach agent that plans, watches and replans your Sardinian beach day as wind, waves and personal constraints change.

    Paolo Mulas

    ♥ 6Solo
  38. #38

    boring Bugshot

    Turn one screenshot into a structured bug or feedback report. Upload an image, add context, and get an editable, export-ready ticket with priority, impact, and suggested fixes.

    Chris Kubisch

    ♥ 6Solo
  39. #39

    CareRelay AI

    CareRelay AI helps hospitals coordinate urgent transfers by evaluating receiving facilities, checking capacity, preparing clinical handoffs, and requiring clinician approval before action.

    Dhruba Jyoti Kalita

    ♥ 6Solo
  40. #40

    Cell Bound

    Free, transparent training for bone-marrow cellularity and visual population estimates.

    Fern Tirado, Justin Pegram

    ♥ 6Team of 2
  41. #41

    Content Curator for YouTube™ (A *no-cost* hybrid AI app)

    🔥A *no-cost* hybrid AI app that retrieves and analyzes video metrics and *actual* user comments — automatically and for you to keep. 🞂 NO Cost 🞂 NO Spam 🞂 NO Ads 🔥3-min video overview below.

    Lauren K.

    ♥ 6Solo
  42. #42

    Cortex

    Point at the pixels. Ship the code. Cortex turns solo agent chats into team sessions: everyone marks up agent-built UI on one shared canvas, and the agent applies it straight to the code.

    Steven Lê, Đức Bùi, Nam Trần, Vu Tuan

    ♥ 6Team of 4
  43. #43

    DungeonTopper

    A 2D RPG game, where you explore and learn new things via interactive lessons and test your learnings in a dungeon fight!

    Fardozzoha Fardin

    ♥ 6Solo
  44. #44

    Github Time Machine

    GitHub Time Machine helps developers understand how a GitHub repository has evolved over time. Instead of scrolling through hundreds of commits, users can explore code changes, contributor activity.

    Sai Karthik, Anmol Singh, Vijay Babu Mukkapati, Foysal Ahmed Pranto

    ♥ 6Team of 4
  45. #45

    MeetVap

    Private messenger ,NO phone number or email required , Voice and video calls, Real-Time Call Voice changer, PANIC PIN, Media and Location sharing and much more!

    Rza Asadov

    ♥ 6Solo
  46. #46

    Mitsu: Hand-and-voice gesture control for the desktop

    Mitsu turns your webcam into a hands-free window manager: grip windows, move them across monitors, and say where they should go.

    Francis Daniel Genese, Veeny Bautista, Marc Steeven Parubrub, Christian John Sabino

    ♥ 6Team of 4
  47. #47

    NOETHER — The Curiosity Engine

    Learn why AI hallucinates and how measurement catches it. Playable physics with computed black holes, a real broken benchmark, and GPT-5.6 as the map-maker, never the referee.

    dlowzzxx Krasniqi, Anisa Krasniqi, Naser Krasniqi

    ♥ 6Team of 3
  48. #48

    Project Aurora

    Ring shaped VTOL with unique maneuvers

    Gabriel Nkuna

    ♥ 6Solo

Source: openai.devpost.com project gallery. Snapshot taken in August 2026. Like and comment counts are as of that date.

An independent guide by KFG International LLC — not affiliated with, endorsed by, or connected to Devpost or OpenAI.

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