Trader consensus on Polymarket heavily favors Anthropic at 58.7% implied probability to hold the best AI model by June 30, 2026, as measured by the highest Elo score on the LMSYS Chatbot Arena leaderboard, driven by Claude Opus 4.6's dominant #1 position across text, code, search, and document arenas with scores around 1500+ as of early April. This lead stems from Anthropic's rapid Q1 2026 update cadence, including enhanced reasoning and low hallucination rates, outpacing rivals despite strong challengers like Google's Gemini 3.1 Pro (1493 Elo, 20% odds) and recent Gemma 4 open-source debut, OpenAI's GPT-5.4 variants (16% odds), and xAI's Grok-4.20. Key swing factors include anticipated pre-June releases from OpenAI and Google DeepMind, amid collaborative efforts by U.S. labs to counter Chinese model copying, with leaderboard volatility underscoring uncertainty in frontier large language model capabilities.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedAnthropic 58.7%
Google 20%
OpenAI 16%
xAI 3.6%
$3,217,142 Vol.
$3,217,142 Vol.
Jun 30, 2026
Anthropic
59%
20%
OpenAI
16%
xAI
4%
DeepSeek
1%
Z.ai
<1%
Alibaba
<1%
Mistral
<1%
Moonshot
<1%
Meituan
<1%
Anthropic 58.7%
Google 20%
OpenAI 16%
xAI 3.6%
$3,217,142 Vol.
$3,217,142 Vol.
Jun 30, 2026
Anthropic
$601,265 Vol.
59%
$332,491 Vol.
20%
OpenAI
$142,862 Vol.
16%
xAI
$885,788 Vol.
4%
DeepSeek
$276,979 Vol.
1%
Z.ai
$186,027 Vol.
<1%
Alibaba
$141,449 Vol.
<1%
Mistral
$328,933 Vol.
<1%
Moonshot
$139,375 Vol.
<1%
Meituan
$181,972 Vol.
<1%
This market will resolve according to the company which owns the model which has the highest arena score based off 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 "Arena Score" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.
If two models are tied for the top arena score at this market's check time, resolution will be based on whichever company's name, as it is described in this market group, comes first in alphabetical order (e.g., if both were tied, "Google" would resolve to "Yes", and "xAI" would resolve to "No")
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 resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.Trader consensus on Polymarket heavily favors Anthropic at 58.7% implied probability to hold the best AI model by June 30, 2026, as measured by the highest Elo score on the LMSYS Chatbot Arena leaderboard, driven by Claude Opus 4.6's dominant #1 position across text, code, search, and document arenas with scores around 1500+ as of early April. This lead stems from Anthropic's rapid Q1 2026 update cadence, including enhanced reasoning and low hallucination rates, outpacing rivals despite strong challengers like Google's Gemini 3.1 Pro (1493 Elo, 20% odds) and recent Gemma 4 open-source debut, OpenAI's GPT-5.4 variants (16% odds), and xAI's Grok-4.20. Key swing factors include anticipated pre-June releases from OpenAI and Google DeepMind, amid collaborative efforts by U.S. labs to counter Chinese model copying, with leaderboard volatility underscoring uncertainty in frontier large language model capabilities.
This market will resolve according to the company which owns the model which has the highest arena score based off 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 "Arena Score" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.
If two models are tied for the top arena score at this market's check time, resolution will be based on whichever company's name, as it is described in this market group, comes first in alphabetical order (e.g., if both were tied, "Google" would resolve to "Yes", and "xAI" would resolve to "No")
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 resolve 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 "Arena Score" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.
If two models are tied for the top arena score at this market's check time, resolution will be based on whichever company's name, as it is described in this market group, comes first in alphabetical order (e.g., if both were tied, "Google" would resolve to "Yes", and "xAI" would resolve to "No")
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 resolve 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
$3,217,142End Date
Jun 30, 2026Market Opened
Oct 10, 2025, 5:27 PM ETResolver
0x2F5e3684c...This market will resolve according to the company which owns the model which has the highest arena score based off 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 "Arena Score" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.
If two models are tied for the top arena score at this market's check time, resolution will be based on whichever company's name, as it is described in this market group, comes first in alphabetical order (e.g., if both were tied, "Google" would resolve to "Yes", and "xAI" would resolve to "No")
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 resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.Trader consensus on Polymarket heavily favors Anthropic at 58.7% implied probability to hold the best AI model by June 30, 2026, as measured by the highest Elo score on the LMSYS Chatbot Arena leaderboard, driven by Claude Opus 4.6's dominant #1 position across text, code, search, and document arenas with scores around 1500+ as of early April. This lead stems from Anthropic's rapid Q1 2026 update cadence, including enhanced reasoning and low hallucination rates, outpacing rivals despite strong challengers like Google's Gemini 3.1 Pro (1493 Elo, 20% odds) and recent Gemma 4 open-source debut, OpenAI's GPT-5.4 variants (16% odds), and xAI's Grok-4.20. Key swing factors include anticipated pre-June releases from OpenAI and Google DeepMind, amid collaborative efforts by U.S. labs to counter Chinese model copying, with leaderboard volatility underscoring uncertainty in frontier large language model capabilities.
This market will resolve according to the company which owns the model which has the highest arena score based off 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 "Arena Score" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.
If two models are tied for the top arena score at this market's check time, resolution will be based on whichever company's name, as it is described in this market group, comes first in alphabetical order (e.g., if both were tied, "Google" would resolve to "Yes", and "xAI" would resolve to "No")
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 resolve 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 "Arena Score" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text with the style control off will be used to resolve this market.
If two models are tied for the top arena score at this market's check time, resolution will be based on whichever company's name, as it is described in this market group, comes first in alphabetical order (e.g., if both were tied, "Google" would resolve to "Yes", and "xAI" would resolve to "No")
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 resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.
Volume
$3,217,142End Date
Jun 30, 2026Market Opened
Oct 10, 2025, 5:27 PM ETResolver
0x2F5e3684c...Trader consensus on Polymarket heavily favors Anthropic at 58.7% implied probability to hold the best AI model by June 30, 2026, as measured by the highest Elo score on the LMSYS Chatbot Arena leaderboard, driven by Claude Opus 4.6's dominant #1 position across text, code, search, and document arenas with scores around 1500+ as of early April. This lead stems from Anthropic's rapid Q1 2026 update cadence, including enhanced reasoning and low hallucination rates, outpacing rivals despite strong challengers like Google's Gemini 3.1 Pro (1493 Elo, 20% odds) and recent Gemma 4 open-source debut, OpenAI's GPT-5.4 variants (16% odds), and xAI's Grok-4.20. Key swing factors include anticipated pre-June releases from OpenAI and Google DeepMind, amid collaborative efforts by U.S. labs to counter Chinese model copying, with leaderboard volatility underscoring uncertainty in frontier large language model capabilities.
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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