finance
⚡ Tight💧 Liquid
6%
-3%
SpaceX IPO closing market cap above $3T?
24h Vol
$169.4K
Liquidity
$152.5K
Spread
1%
12/31/2027
View marketTechnology
Polymarket market
Track live probability, outcome prices, volume, liquidity, and resolution details for Will Anthropic have the second best AI model at the end of June 2026?. The market currently shows a live probability of 71%, $1.7K in 24h volume, and $2.6K in liquidity.
Probability
71%
24h Volume
$1.7K
Liquidity
$2.6K
This market asks whether Anthropic will be the company with the second-highest model on the Chatbot Arena LLM Leaderboard at the June 30, 2026 check. It is really a question about how Anthropic’s top model stacks up against rivals such as Google, OpenAI, xAI, and others on a widely watched public benchmark rather than about any single product announcement. Because the leaderboard can change as new models are added or ranked differently, the exact standing at the resolution time matters more than headlines during the year.
Resolution will be based on the “Text Arena | Overall” leaderboard on LMArena’s Chatbot Arena site, using the “Rank” column with style control off at 12:00 PM ET on June 30, 2026. The market will look at which company owns the model in second place under that ranking system, not which company has the most models on the board or the most buzz. If models are tied, the rules say the Arena score is used next, including underlying unrounded values, and if that still leaves a tie, company names are used as the final tiebreaker.
Anthropic is one of the main frontier AI labs, so its position on a public leaderboard is a simple way to measure whether it is still near the very top of the field. The uncertainty comes from fast-moving model releases, ranking updates, and the fact that a benchmark leaderboard can shift as new systems are added or as user evaluations move scores. The market is effectively pricing disagreement over whether Anthropic will still hold a top-two slot at the June 2026 snapshot.
A new Anthropic model that lands near the top of Chatbot Arena would make a “Yes” outcome more plausible, especially if it is ranked first or second on the leaderboard at the check time. Strong releases from competitors like OpenAI, Google, or xAI could push Anthropic down a place even if Anthropic itself remains competitive. Changes to the leaderboard methodology, the appearance of a newly evaluated model, or a tie resolved by score or alphabetical company order could also matter because this market depends on the exact published ranking.
Related markets
-3%
24h Vol
$169.4K
Liquidity
$152.5K
Spread
1%
12/31/2027
View marketThe current market price implies roughly a 71% chance for the leading outcome, based on live Polymarket pricing. That number is not a prediction from PredictionNinja and it is not a guarantee; it is the current crowd-priced view of the market and can change quickly when new information appears.
The key thing to verify is the live “Text Arena | Overall” leaderboard on lmarena.ai at the specified June 30, 2026, 12:00 PM ET check time. Readers should pay attention to the company attached to the model in second place, the rank column, and any tie conditions that could invoke Arena score or the final alphabetical tiebreaker. The description also says that if the leaderboard is unavailable at the check time, the market stays open until it returns, so the source’s availability is part of the resolution process and worth watching closely.
Track live probability, outcome prices, volume, liquidity, and resolution details for Will Anthropic have the second best AI model at the end of June 2026?. The market currently shows a live probability of 71%, $1.7K in 24h volume, and $2.6K in liquidity.
Track live technology prediction markets focused on AI, major tech events, product launches, innovation forecasts, and emerging industry trends.
Yes
70.5%
No
29.5%
This market is currently listed with an end date of Jun 30, 2026. Market timelines can change if the underlying event is postponed, rescheduled, or resolved early.
This market will resolve according to the company that owns the model with the second-highest arena rank based on the Chatbot Arena LLM Leaderboard (https://lmarena.ai/) when the table under the "Leaderboard" tab is checked on June 30, 2026, 12:00 PM ET. Results from the "Rank" column under the "Text Arena | Overall" Leaderboard tab at https://lmarena.ai/leaderboard/text with style control off 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 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 “xAI”). This market will resolve based on the company that occupies second place under this ranking system. The resolution source for this market is the Chatbot Arena LLM Leaderboard found at https://lmarena.ai/. If this resolution source is unavailable at check time, this market will remain open until the leaderboard comes back online and resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.
Probability signal
The current price implies a strong favorite, so new information would need to be meaningful to move the market sharply.
Liquidity context
Liquidity is present but not especially deep, so spreads and order-book movement still matter.
Spread
The bid-ask spread is wider, so the headline probability may be less precise than it looks.
Recent movement
The 24h move is notable, so recent news or market activity may have changed trader expectations.
The current displayed probability is 71%, based on the latest normalized Polymarket data available to PredictionNinja.
The rules and resolution criteria are pulled from the market description provided by Polymarket when available.
Prediction markets can move whenever traders react to new information, liquidity changes, injuries, announcements, news, or other event-specific developments.
No. PredictionNinja displays market data and context for research only. It is not financial, legal, betting, or investment advice.
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