Will Microsoft have the #1 AI model at the end of September 2026?

Q: Will Microsoft have the #1 AI model at the end of September 2026?

Prediction markets currently price this at 0%. A YES share costs 0.2¢ and pays $1 if it happens. That is a return of 49900.0% over 1.4mo.

Which company has #1 AI model end of September? (Style Control On)$297 liquidity$391 volumecloses 1.4mo

AITechAI Rankings

Trade on Polymarket

BUY YES

Cost: 0.2¢
Implied chance: 0.2%
Return if right: 49900.0%
Spread cost: 25%

If you put in $100

You get 50000.0 shares at 0.2¢ each.

YES wins: $50000.00 back, a profit of $49900.00. YES loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $16666.67 of that profit. Without it you would make $66566.67.

Assumes the whole order fills at this price. A large order eats into the book and averages worse.

Buy YES on Polymarket

BUY NO

Cost: 99.9¢
Implied chance: 99.9%
Return if right: 0.1%
Spread cost: 33%

If you put in $100

You get 100.1 shares at 99.9¢ each.

NO wins: $100.10 back, a profit of $0.10. NO loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $0.05 of that profit. Without it you would make $0.15.

Assumes the whole order fills at this price. A large order eats into the book and averages worse.

Buy NO on Polymarket

Chance over time

1H 6H 1D 1W 1M ALL

Latest: Aug 19, 11:16 AM3 outcomes stayed under 3% and are not plotted1 further outcome not shown

Latest news

headlines link to their publishers

Headlines are matched on the names in “Will Microsoft have the #1 AI model at the end of September …”. Nobody checks them by hand, so one may not be relevant. They also say nothing about whether the price has already moved on this news.

How this market resolves

This market will resolve according to the company which owns the model which has the highest arena rank based on the arena.ai Text Arena (Overall) (Style Control On) when the table under the "Leaderboard" tab is checked on September 30, 2026, 12:00 PM ET. Results from the "Rank" column under the "Text Arena | Overall" Leaderboard tab at https://arena.ai/leaderboard/text/overall with style control on (Adjustments: Style Control) and filtered for "Models" will be used to resolve this market. Models will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any underlying, unrounded, granular values reflected in the data below the leaderboard. If a tie still remains, alphabetical order of company names as listed in this market group will be used as a final tiebreaker (e.g., if the two models are tied by exact arena score, “Google” would be ranked ahead of “SpaceXAI”). This market will resolve based on the company that occupies first place under this ranking. The resolution source for this market is the arena.ai Text Arena (Overall). If this resolution source is unavailable at check time, this market will remain open until the leaderboard comes back online and will resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve to "Other".

Source: https://arena.ai/leaderboard/text/overall