OpenAI leads trader sentiment with 42% implied probability of holding the #1 spot on the LMSYS Chatbot Arena leaderboard by June 30, 2025, bolstered by its o1-preview model's current top Elo score of 1338 amid rapid benchmark gains in reasoning tasks. xAI follows at 28%, fueled by Elon Musk's Colossus supercluster enabling Grok-3 training—potentially launching Q1 2025—and aggressive compute scaling challenging OpenAI's edge. Google DeepMind (12%) and Anthropic (10%) trail, with Gemini 2.0 Flash close behind at #2 and Claude 3.5 Sonnet's proven coding prowess, but both face delays in flagship upgrades. Traders eye Q1 developer conferences and unannounced releases as pivotal, given historical slips in AI timelines and LMSYS's vote-driven volatility.
Experimental AI-generated summary referencing Polymarket data · Updated$1,153,770 Vol.

OpenAI
28%

xAI
13%

DeepSeek
8%

Z.ai
7%

Alibaba
6%

Meta
6%

Baidu
4%

Mistral
3%

Nvidia
3%

Meituan
3%
$1,153,770 Vol.

OpenAI
28%

xAI
13%

DeepSeek
8%

Z.ai
7%

Alibaba
6%

Meta
6%

Baidu
4%

Mistral
3%

Nvidia
3%

Meituan
3%
Results from the "Arena Score" section on the Leaderboard tab of https://lmarena.ai/ with the style control unchecked will be used to resolve this market.
If a listed model ties for #1 Arena score, it will suffice to resolve this market to "Yes."
The resolution source for this market is the Chatbot Arena LLM Leaderboard found at https://lmarena.ai/. If this resolution source becomes unavailable, the market will remain open until it is accessible again. If it becomes permanently unavailable, resolution will be based on another credible source.
Market Opened: Dec 22, 2025, 5:28 PM ET
Resolver
0x65070BE91...Resolver
0x65070BE91...OpenAI leads trader sentiment with 42% implied probability of holding the #1 spot on the LMSYS Chatbot Arena leaderboard by June 30, 2025, bolstered by its o1-preview model's current top Elo score of 1338 amid rapid benchmark gains in reasoning tasks. xAI follows at 28%, fueled by Elon Musk's Colossus supercluster enabling Grok-3 training—potentially launching Q1 2025—and aggressive compute scaling challenging OpenAI's edge. Google DeepMind (12%) and Anthropic (10%) trail, with Gemini 2.0 Flash close behind at #2 and Claude 3.5 Sonnet's proven coding prowess, but both face delays in flagship upgrades. Traders eye Q1 developer conferences and unannounced releases as pivotal, given historical slips in AI timelines and LMSYS's vote-driven volatility.
Experimental AI-generated summary referencing Polymarket data · Updated



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