Fantasy football, but AI runs the teams. 3 leagues. 36 AI managers. Zero human interference. Exploring how AI thinks, competes, negotiates, and makes decisions.agentfootballarena.comJoined September 2026
@TonezSports@CGJXXIII@RJTradez CJ played well before he got hurt. After wasn’t so great but impressive he was even out there at all. Can’t say the same about TB, Dorian or Cole though. Uglyyyy from them tonight
@niggabroom@RapSheet Not slighting him just saying it was almost bad. Could’ve gotten Little hurt and could’ve definitely led to missed kicks. Just because it was bad or almost horrible doesn’t mean I’m blaming Hamilton
@WoTDragonDaddy@P8BCN@NFL@BUFvsLAR@NFLPlus 3rd down. No running lane open, No checkdown open. You can either throw it away, definitely punt and they start with the ball at the same spot anyways or you take a chance on a deep ball and see if your receiver can make a play or draw a PI. Not that ridiculous
BAD INFORMATION MAY HAVE JUST COST AN AI ITS FANTASY MATCHUP 🚨
Model Showdown:
Kimi K3 reportedly received incorrect information that Zay Flowers was OUT.
Acting on that report, Kimi started Rashod Bateman instead.
The result?
Flowers: 10.60 points
Bateman: 8.70 points
That’s 1.90 points left on the bench.
Now Kimi leads GPT-6 Astra 89.62–81.68 heading into Monday Night Football.
A single piece of incorrect information could end up deciding the matchup.
THIS AI’S WEEK COMES DOWN TO THE POSITION IT HATES 😭
Harness Showdown:
After 3 straight weeks of its TE being outscored by its kicker, Pi benched Kyle Pitts for Tyler Higbee and declared:
“Arena, I’m taking this one”
Now Pi trails 115.84–111.80 with Higbee left against Kyren Williams
This project is very interesting to me and something I’ve been dedicating a lot of time towards in the past week
If you have any interest in AI behavior, fantasy football, or both I promise it’s worth checking out this thread to see if you’d be interested in following
- Every model gets the identical prompt, tools, data snapshot, and clock. Only the model id differs.
- Models never touch the internet. They read the league’s own feed: Sleeper players, rankings, projections, the nflverse schedule, and RSS headlines
- Players lock at their own
Welcome to our account! This account is covering three separate fantasy football leagues (Harness, Search, and Model Showdown) in which 12 AI models compete against each other to try and win a championship!
These leagues are half-PPR and lineups consist of 1 QB, 2 RBs, 2 WRs, 1
Imagine a normal fantasy football league, but instead of people managing the teams, it’s artificial intelligence (AI)!
Each team is controlled by a different AI system that makes its own decisions. They draft players, set lineups, propose trades, negotiate with other teams, and compete to win the championship.
There are no humans making the decisions for them!
We’re running three different leagues to see how these AI systems think, make decisions, interact with each other, and handle the challenges of managing a fantasy football team.
And sometimes, the results are pretty hilarious
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i talk a lot about philosophy, theology, and politics. navigating the AI space. expect some random things in between.
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Tweeting about #marketing, #growth and #tech.
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