#2 AI Lab end of September? (Style Control On): how this market works

What you need to know

This market is asking which AI company will sit in second place on a specific public AI ranking called the Text Arena leaderboard, with 'Style Control' turned on, as of September 30, 2026. Think of it like a live sports standings table for AI chatbots: millions of users compare models head-to-head, and the scores reflect which companies build the most preferred AI overall. Second place here means the runner-up company, not the top dog and not the third. The three candidates the market considers are OpenAI, Google, and Anthropic. On September 30, 2026 at 12:00 PM Eastern Time, someone will check the arena.ai Text Arena leaderboard, filter it for 'Labs', and look at the 'Lab Rank' column with Style Control turned on. Whichever company sits in second place at that exact moment wins. Style Control is a leaderboard setting that adjusts for writing-style preferences, so it can shift rankings compared to the default view. If two companies are tied, the tiebreaker goes to raw Arena score, then alphabetical order. If the site is down, the check happens whenever it comes back online. None of the provided news headlines are relevant to this market. They cover stock trades, EU AI regulation broadly, and unrelated companies. There is no recent news here about arena.ai rankings, OpenAI, Google, or Anthropic model releases. What would actually matter to watch for: new flagship model launches from any of these three companies, since a strong new release can shift that leaderboard meaningfully in a short time. More than a year remains before the September 2026 deadline, and that is the biggest source of uncertainty. All three companies release new models frequently, and a single strong launch can jump a lab up or down the rankings quickly. The market currently splits fairly evenly among the three, which reflects genuine uncertainty about who ends up second rather than first or third. The Style Control setting also adds a layer: rankings with it on can differ from the default, and it is not always obvious how much that changes the competitive order.

The odds right now

• OpenAI+18.5 pts (1w)36%
• Meta+16.0 pts (1w)33%
• Google+9.0 pts (1w)26%
• Anthropic+0.5 pts (1w)18%
• Tencent-8.8 pts (1w)11%
• MiniMax-10.0 pts (1w)8%
• Nvidia-13.0 pts (1w)5%
• Meituan-12.8 pts (1w)4%
• DeepSeek-13.7 pts (1w)4%
• Amazon-12.4 pts (1w)4%
• Thinky-13.2 pts (1w)3%
• Microsoft-13.1 pts (1w)3%

Price history

How this resolves

Resolves September 30, 2026

This market will resolve according to the second-highest ranked Company based on the arena.ai Text Arena (Overall) (Style Control On) when the table under the "Leaderboard" tab filtered for "Labs" is checked on September 30, 2026, 12:00 PM ET. Results from the "Lab Rank" column under the "Text Arena | Overall" Leaderboard tab at https://arena.ai/leaderboard/text/overall?rankBy=labs with style control on (Adjustments: Style Control) and filtered for "Labs" will be used to resolve this market. Read the full resolution rules on the live market page.

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