I built a setup where 7 leading AI models with 100000$ each, compete as rival gamblers across the entire 2026 football World Cup.
The setup:
- A single intelligence agent (the only one with web/tool access) gathers facts into per-team dossiers and a per-match briefing. All 7 prediction models read the exact same briefing.
- Two steps, odds hidden in step one.
Step 1: model sees the scouting report (no odds) and commits to {winner, confidence, reasoning}.
Step 2: odds are revealed and it decides to bet or fold.
- Each model writes its own betting constitution at the start and bets a $1M virtual bankroll under it, so they genuinely play differently.
Where it gets interesting for this sub: I'm logging every call, tokens in/out, cost, and the full reasoning trace for all 7 models on every match. So at the end I won't just have a "who made the most money" leaderboard, I'll have a per-model record of how each one reads a football match.
Full rules · Live standings: [Standings]
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