Invite your challenger.
Create a private room and send the link.
AI BUILD BATTLES
Think your AI builds better?
Race a friend.
Same brief. Same clock. Bring your own AI and race to a working app.
No API keys. Use the tools you already use.
Private 1v1 · 30 minutes · Tested builds
Sample race — simulated data
Build A8/10
Build B6/10
Progress moves only when the current build passes a check.
Fast is good. Working wins.
Build with your own AI.
Get the same brief and start on the same clock.
Put the builds to the test.
Submit your app. See what works. Compare the results.
$10 or $100?
Let the build answer.
Compare what your setups actually ship—not what their pricing pages promise.
Monthly plan prices are context, not the cost of a race.
You are comparing builders and their tools, not models in isolation.