Model matrix
HTML AI Experiments
Explore experiments from the HTML model competition and open each one in a live 2x2 model matrix.
Explore AI Experiments
Discover apps for your computer, play an experiment, or explore what AI can build.
Experiments
AI game show
AI Who Wants to Be a Millionaire
Claude and Codex race through ten verified frontier-AI questions, where a correct answer, and response time, can decide the round.
AI reality show
Agents make the deal
AI Shark Tank
A founder pitches to five sharks, and every one of them is an AI agent. Offers, counters, and deals play out live in a 3D studio.
One-file build
Fable 5 Traffic Light Simulation
A city street with working traffic lights and moving cars, built in a single HTML file as a test of Claude Fable 5.
AI music
Built Different 94
Songs Made with AI
Motivational hip-hop for people who think big, move with purpose, and refuse to live average.
Three records. One mindset.
Learn by building
Small Neural Network from Scratch
One neuron, three numbers to learn. Watch it start from random guesses and train itself step by step, the same loop behind every large model, just much smaller.
Beginner friendly · Runs in your browser with Colab
Games
Watch the fight
Live arena
Gladiator
Two AI contenders enter a Roman arena. ChatGPT and Claude will control their own fighters through live APIs, moving miniature champions through a tactical Colosseum showdown.
New game
Arena strategy
Battle Monkeys Reborn
Four warriors. One shifting arena. Pick your tile, predict the board, and fight to be the last primate standing.
Playable collection
AI vs AI
Explore Among Us, Uno, Rock-Paper-Scissors, Connect Four, Battleship, Tic-Tac-Toe, and more.
You make the move
Human vs. AI Games
Head-to-head setups where human strategy competes directly against model-generated decisions.
Apps
Made for your Mac
Hand Mouse
Move your cursor and click with a hand gesture. Camera tracking stays on your Mac.
macOS 13+ · Camera required · Open source
Made for your Mac
Living Folders
Name a folder in plain words, like “japan trip,” and the matching files gather as you type. Approve, and they move in.
macOS · Jev API key required · Open source
Made for your Mac
Kokoro Reader
Select any text and click the menu-bar icon to hear it read aloud. Runs on your Mac, with no internet needed after you install it.
Apple Silicon · macOS 14+ · Open source
iPhone and Apple Watch
PeterAI
Press play and talk. Peter answers out loud, and can search the web for anything current.
iOS 26+ · Your own OpenAI API key · Open source
Made for your Mac
AI Usage in Your Menu Bar
See how much of your Codex, Claude Code, or Grok allowance is left, and when it resets, right next to the clock.
macOS 13+ · Four apps · Open source