Live now · 1,284 founders matching

Sharpen your startup ideas
against real people.

Pitch your startup, debate business ideas, improve with AI, and climb the global rankings. Timed rounds. Live opponents. Ranked feedback.

01
Pitch
20s to explain your startup
02
Feedback
1m of live human critique
03
AI Analysis
Originality, market, defensibility
04
ELO Gain
Climb ranks. Broke → Richest.
48k
Ideas Reviewed
120k
Debates Completed
32k
Businesses Improved
27k
Active Founders
Three modes

Train like a founder.
Compete like an athlete.

Every match is timed, transcribed, and AI-scored. Every ELO point is earned.

MODE 01

Pitch & Critique

Pitch your startup live. Get roasted by a real founder. AI grades both of you.

Enter mode
MODE 02

Business Debate

Random idea, hidden votes. Argue viable vs. not — sometimes against your own belief.

Enter mode
MODE 03

AI Business Mentor

A co-founder in your pocket. Validates ideas, builds decks, finds weaknesses.

Enter mode
Global rankings

From Average Joe
to Richest tier.

Start at 800 ELO. Grind through Millionaire, Billionaire, Bezos, Musk. 2800 gets you the throne — if you can hold it.

BrokeAverage JoeMillionaireBillionaireBezosMuskRichest
Top Founders · This Week
LIVE
  • 1
    kai.ventures
    Richest
    2814
  • 2
    founder_mode
    Elon Musk
    2691
  • 3
    deltaOps
    Jeff Bezos
    2588
  • 4
    seedstage
    Billionaire
    2412
  • 5
    notyc
    Billionaire
    2287
Trusted by builders, operators, and investors

"Sharper than any accelerator office hours I've done."

Maya · YC S24

"I killed a bad idea in 3 minutes. Saved me a year."

Deven · Solo founder

"The debate mode changed how I stress-test ideas."

Priya · Ex-Stripe PM

"I use it to source founders. This is talent radar."

Marc · Angel investor

"Addictive in the way Chess.com is addictive."

Zara · Building in stealth

"The AI similarity engine is scary accurate."

Tom · 2x exit

"Sharper than any accelerator office hours I've done."

Maya · YC S24

"I killed a bad idea in 3 minutes. Saved me a year."

Deven · Solo founder

"The debate mode changed how I stress-test ideas."

Priya · Ex-Stripe PM

"I use it to source founders. This is talent radar."

Marc · Angel investor

"Addictive in the way Chess.com is addictive."

Zara · Building in stealth

"The AI similarity engine is scary accurate."

Tom · 2x exit
AI+ Membership

Your AI co-founder,
for less than a coffee.

Full startup reports, unlimited AI sessions, the replay library of the best pitches on the platform, and weekly founder challenges.

$6
/ month
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Advanced startup reports
Unlimited AI co-founder chat
Competition replay library
Build from past ideas
Weekly startup challenges
Priority AI + newest models

The training ground
for better founders.

Live opponents. Ruthless AI. A rank that means something. Your first match starts in under 10 seconds.