Anthropic holds a commanding 67% implied probability of leading the style-controlled Chatbot Arena leaderboard by end of June, driven by Claude Opus 4.7’s recent dominance in capability-focused evaluations that neutralize stylistic biases. The model’s consistent top-tier results across coding, reasoning, and agentic benchmarks, including strong Arena Elo ratings near 1,503 as of March 2026, have reinforced trader confidence in its edge over competitors. Google’s 23.5% share reflects Gemini 3.1 Pro’s strengths in multimodal tasks and 1M-token context windows, yet it trails in style-normalized head-to-head comparisons. OpenAI’s lower 5% positioning stems from GPT-5.5 variants leading some raw quality indexes but showing less consistency under style control constraints. Key catalysts ahead include any mid-June model updates or benchmark refreshes that could shift the narrow gap among frontier large language models.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedAnthropic 67%
Google 23%
OpenAI 5%
xAI 2.6%
$1,457,406 Vol.
$1,457,406 Vol.
Jun 30, 2026
Anthropic
67%
23%
OpenAI
5%
xAI
3%
DeepSeek
1%
Alibaba
1%
Meta
1%
Z.ai
1%
Microsoft
1%
Moonshot
1%
Meituan
<1%
Mistral
<1%
ByteDance
<1%
Baidu
<1%
Amazon
<1%
Anthropic 67%
Google 23%
OpenAI 5%
xAI 2.6%
$1,457,406 Vol.
$1,457,406 Vol.
Jun 30, 2026
Anthropic
$30,607 Vol.
67%
$18,768 Vol.
23%
OpenAI
$49,364 Vol.
5%
xAI
$14,994 Vol.
3%
DeepSeek
$201,408 Vol.
1%
Alibaba
$136,551 Vol.
1%
Meta
$8,184 Vol.
1%
Z.ai
$412,926 Vol.
1%
Microsoft
$11,912 Vol.
1%
Moonshot
$203,394 Vol.
1%
Meituan
$270,733 Vol.
<1%
Mistral
$59,379 Vol.
<1%
ByteDance
$12,849 Vol.
<1%
Baidu
$8,651 Vol.
<1%
Amazon
$17,686 Vol.
<1%
This market will resolve according to the company that owns the model with the 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 on 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 first 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 resolves based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.Anthropic holds a commanding 67% implied probability of leading the style-controlled Chatbot Arena leaderboard by end of June, driven by Claude Opus 4.7’s recent dominance in capability-focused evaluations that neutralize stylistic biases. The model’s consistent top-tier results across coding, reasoning, and agentic benchmarks, including strong Arena Elo ratings near 1,503 as of March 2026, have reinforced trader confidence in its edge over competitors. Google’s 23.5% share reflects Gemini 3.1 Pro’s strengths in multimodal tasks and 1M-token context windows, yet it trails in style-normalized head-to-head comparisons. OpenAI’s lower 5% positioning stems from GPT-5.5 variants leading some raw quality indexes but showing less consistency under style control constraints. Key catalysts ahead include any mid-June model updates or benchmark refreshes that could shift the narrow gap among frontier large language models.
This market will resolve according to the company that owns the model with the 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 on 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 first 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 resolves based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.
Results from the "Rank" column under the "Text Arena | Overall" Leaderboard tab at https://lmarena.ai/leaderboard/text with style control on 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 first 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 resolves based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.
Market Opened: Oct 10, 2025, 5:27 PM ET
Volume
$1,457,406End Date
Jun 30, 2026Market Opened
Oct 10, 2025, 5:27 PM ETResolver
0x2F5e3684c...This market will resolve according to the company that owns the model with the 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 on 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 first 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 resolves based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.Anthropic holds a commanding 67% implied probability of leading the style-controlled Chatbot Arena leaderboard by end of June, driven by Claude Opus 4.7’s recent dominance in capability-focused evaluations that neutralize stylistic biases. The model’s consistent top-tier results across coding, reasoning, and agentic benchmarks, including strong Arena Elo ratings near 1,503 as of March 2026, have reinforced trader confidence in its edge over competitors. Google’s 23.5% share reflects Gemini 3.1 Pro’s strengths in multimodal tasks and 1M-token context windows, yet it trails in style-normalized head-to-head comparisons. OpenAI’s lower 5% positioning stems from GPT-5.5 variants leading some raw quality indexes but showing less consistency under style control constraints. Key catalysts ahead include any mid-June model updates or benchmark refreshes that could shift the narrow gap among frontier large language models.
This market will resolve according to the company that owns the model with the 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 on 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 first 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 resolves based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.
Results from the "Rank" column under the "Text Arena | Overall" Leaderboard tab at https://lmarena.ai/leaderboard/text with style control on 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 first 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 resolves based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.
Volume
$1,457,406End Date
Jun 30, 2026Market Opened
Oct 10, 2025, 5:27 PM ETResolver
0x2F5e3684c...Anthropic holds a commanding 67% implied probability of leading the style-controlled Chatbot Arena leaderboard by end of June, driven by Claude Opus 4.7’s recent dominance in capability-focused evaluations that neutralize stylistic biases. The model’s consistent top-tier results across coding, reasoning, and agentic benchmarks, including strong Arena Elo ratings near 1,503 as of March 2026, have reinforced trader confidence in its edge over competitors. Google’s 23.5% share reflects Gemini 3.1 Pro’s strengths in multimodal tasks and 1M-token context windows, yet it trails in style-normalized head-to-head comparisons. OpenAI’s lower 5% positioning stems from GPT-5.5 variants leading some raw quality indexes but showing less consistency under style control constraints. Key catalysts ahead include any mid-June model updates or benchmark refreshes that could shift the narrow gap among frontier large language models.
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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