Which company has #1 AI model end of August? (Style Control On): how this market works

What you need to know

This market asks which AI company will have the single best-rated AI model on a specific public leaderboard called arena.ai, measured on August 31, 2026. The leaderboard ranks AI models by having real users compare them side by side in conversations. The 'Style Control On' setting is important: it filters out ratings that were influenced by writing style, so the score reflects pure quality of answers, not how fancy the text looks. A win for Anthropic means their model (like Claude) sits at rank 1. A win for Google means one of their models (like Gemini) does. On August 31, 2026 at 12:00 PM Eastern Time, someone will check the arena.ai leaderboard with Style Control turned on and look at the top rank. Whichever company owns that model wins. If two models are tied on rank, the tiebreaker goes to the higher underlying score, and if that is still tied, alphabetical order of company names is used. The market settles based on that single snapshot in time. If the website is down at that moment, it waits until the site comes back. If the site shuts down permanently, the market resolves as 'Other'. None of the provided news headlines relate to this market. They cover unrelated topics like music media, utility bills, and television. To follow this market, the useful things to watch would be new AI model releases from Anthropic, Google, or other labs, and any shifts in the arena.ai leaderboard rankings between now and August 2026. The market currently prices Anthropic at 90%, which reflects that an Anthropic model holds the top spot on that leaderboard today. But August 2026 is over a year away, and the AI field moves very fast. Any company could release a new model that takes the top rank. Google, OpenAI, Meta, or a newer lab could all make unexpected jumps. The leaderboard shifts constantly as new models enter. The main uncertainty is simply whether that long gap gives a rival enough time to overtake Anthropic's current lead.

The odds right now

• Anthropic+4.5 pts (1w)90%
• Google+2.3 pts (1w)8%
• Moonshot-4.9 pts (1w)1%
• SpaceXAI-0.4 pts (1w)0%
• Alibaba-5.1 pts (1w)0%
• Baidu-2.3 pts (1w)0%
• Xiaomi-2.6 pts (1w)0%
• DeepSeek-0.2 pts (1w)0%
• Bytedance-2.3 pts (1w)0%
• MiniMax-2.5 pts (1w)0%
• Meituan-0.1 pts (1w)0%
• Tencent-0.4 pts (1w)0%

Price history

How this resolves

Resolves August 31, 2026

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 August 31, 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. Read the full resolution rules on the live market page.

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