Anthropic's Claude 3.5 Sonnet has propelled trader consensus toward it as the frontrunner for the top AI model on the LMSYS Chatbot Arena leaderboard, surging to #1 with an Elo score above 1280 just after its June 20 release, outpacing OpenAI's GPT-4o. This benchmark dominance, based on blind user votes, reflects Anthropic's edge in coding and reasoning tasks amid intensifying rivalry from Meta's Llama 3 405B and Google's Gemini 1.5 Pro. With only weeks until the June 30 cutoff, implied probabilities fluctuate on whispers of xAI's Grok-2 preview or OpenAI updates at upcoming developer events, underscoring the volatility of real-time leaderboards where a single release can flip market odds.
Experimental AI-generated summary referencing Polymarket data · Updated$1,148,417 Vol.

OpenAI
28%

xAI
12%

DeepSeek
8%

Z.ai
7%

Alibaba
5%

Meta
5%

Baidu
4%

Nvidia
3%

Mistral
3%

Meituan
3%
$1,148,417 Vol.

OpenAI
28%

xAI
12%

DeepSeek
8%

Z.ai
7%

Alibaba
5%

Meta
5%

Baidu
4%

Nvidia
3%

Mistral
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...Anthropic's Claude 3.5 Sonnet has propelled trader consensus toward it as the frontrunner for the top AI model on the LMSYS Chatbot Arena leaderboard, surging to #1 with an Elo score above 1280 just after its June 20 release, outpacing OpenAI's GPT-4o. This benchmark dominance, based on blind user votes, reflects Anthropic's edge in coding and reasoning tasks amid intensifying rivalry from Meta's Llama 3 405B and Google's Gemini 1.5 Pro. With only weeks until the June 30 cutoff, implied probabilities fluctuate on whispers of xAI's Grok-2 preview or OpenAI updates at upcoming developer events, underscoring the volatility of real-time leaderboards where a single release can flip market odds.
Experimental AI-generated summary referencing Polymarket data · Updated



Beware of external links.
Beware of external links.
Frequently Asked Questions