Anthropic's Claude Opus 4.6 and 4.7 thinking variants currently hold the edge on LMSYS Arena Elo ratings near 1500–1503, reflecting strong human preference scores across reasoning and coding tasks. This positioning stems from iterative improvements in agentic capabilities and a 1-million-token context window rolled out earlier this year, while OpenAI's GPT-5.5 Instant release on May 5 and xAI's Grok 4.3 update on May 6 have narrowed gaps in speed and specialized performance without overtaking the leader. Google's Gemini 3.1 Pro preview remains within a tight 5–10 point cluster, underscoring converging frontier performance across the four major labs. With June 30 approaching, traders are watching for any final benchmark shifts or unannounced capability demonstrations that could alter the market-implied odds before resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$1,563,337 Vol.

OpenAI
11%

Mistral
11%

xAI
5%

Meta
4%

Baidu
3%

Z.ai
2%

DeepSeek
2%

Alibaba
2%

Nvidia
2%

Meituan
1%
$1,563,337 Vol.

OpenAI
11%

Mistral
11%

xAI
5%

Meta
4%

Baidu
3%

Z.ai
2%

DeepSeek
2%

Alibaba
2%

Nvidia
2%

Meituan
1%
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...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.
Resolver
0x65070BE91...Anthropic's Claude Opus 4.6 and 4.7 thinking variants currently hold the edge on LMSYS Arena Elo ratings near 1500–1503, reflecting strong human preference scores across reasoning and coding tasks. This positioning stems from iterative improvements in agentic capabilities and a 1-million-token context window rolled out earlier this year, while OpenAI's GPT-5.5 Instant release on May 5 and xAI's Grok 4.3 update on May 6 have narrowed gaps in speed and specialized performance without overtaking the leader. Google's Gemini 3.1 Pro preview remains within a tight 5–10 point cluster, underscoring converging frontier performance across the four major labs. With June 30 approaching, traders are watching for any final benchmark shifts or unannounced capability demonstrations that could alter the market-implied odds before resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated



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