Trader sentiment for crowning the top AI model by June 30 heavily favors OpenAI at around 45% implied probability on Polymarket, driven by its GPT-4o series dominating recent LMSYS Chatbot Arena benchmarks alongside strong o1 reasoning previews, though Anthropic's Claude 3.5 Sonnet currently holds the #1 spot with superior coding and vision scores. Competitive dynamics intensify with Meta's Llama 3.1 405B challenging in open-source rankings and xAI's Grok-2 beta gaining traction via real-time data integration. Key catalysts include OpenAI's anticipated GPT-5 or Orion model by mid-2025, Google's Gemini 2.0 updates post-DeepMind advances, and regulatory scrutiny on compute resources; watch Q1 2025 earnings and developer conferences for release signals that could flip leaderboard consensus.
Experimental AI-generated summary referencing Polymarket data · Updated$1,148,448 Vol.

OpenAI
28%

xAI
12%

DeepSeek
9%

Z.ai
7%

Alibaba
6%

Meta
6%

Baidu
4%

Meituan
3%

Nvidia
3%

Mistral
2%
$1,148,448 Vol.

OpenAI
28%

xAI
12%

DeepSeek
9%

Z.ai
7%

Alibaba
6%

Meta
6%

Baidu
4%

Meituan
3%

Nvidia
3%

Mistral
2%
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...Trader sentiment for crowning the top AI model by June 30 heavily favors OpenAI at around 45% implied probability on Polymarket, driven by its GPT-4o series dominating recent LMSYS Chatbot Arena benchmarks alongside strong o1 reasoning previews, though Anthropic's Claude 3.5 Sonnet currently holds the #1 spot with superior coding and vision scores. Competitive dynamics intensify with Meta's Llama 3.1 405B challenging in open-source rankings and xAI's Grok-2 beta gaining traction via real-time data integration. Key catalysts include OpenAI's anticipated GPT-5 or Orion model by mid-2025, Google's Gemini 2.0 updates post-DeepMind advances, and regulatory scrutiny on compute resources; watch Q1 2025 earnings and developer conferences for release signals that could flip leaderboard consensus.
Experimental AI-generated summary referencing Polymarket data · Updated
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