Trader consensus on Polymarket assigns Anthropic an 85% implied probability of holding the #1 spot on the LMArena Chatbot Arena LLM Leaderboard (Style Control On) by April 30, 2026, driven by Claude Opus 4.6's sustained dominance in late March Elo ratings, where its "thinking" variant tops charts ahead of Google's Gemini 3.1 Pro and xAI's Grok 4.20 beta. This lead stems from Anthropic's February release outperforming rivals in crowdsourced battles on reasoning, coding, and creative tasks, amid a flurry of March updates from OpenAI (GPT-5.4) and others that failed to overtake it. With no confirmed upcoming launches from challengers like Google or xAI, traders anticipate stability barring surprises, though leaderboard volatility from new evaluations remains a risk.
Experimental AI-generated summary referencing Polymarket data · UpdatedAnthropic 85%
Google 4.3%
xAI 4.1%
OpenAI 2.1%
$809,602 Vol.
$809,602 Vol.

Anthropic
85%

4%

xAI
4%

OpenAI
2%

DeepSeek
1%

Moonshot
1%

Z.ai
1%

ByteDance
1%

Alibaba
<1%

Amazon
<1%

Mistral
<1%

Meituan
<1%

Baidu
<1%
Anthropic 85%
Google 4.3%
xAI 4.1%
OpenAI 2.1%
$809,602 Vol.
$809,602 Vol.

Anthropic
85%

4%

xAI
4%

OpenAI
2%

DeepSeek
1%

Moonshot
1%

Z.ai
1%

ByteDance
1%

Alibaba
<1%

Amazon
<1%

Mistral
<1%

Meituan
<1%

Baidu
<1%
Results from the "Score" 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 ranked primarily by their arena score at this market’s check time, with alphabetical order of company names as listed in this market group used as a tiebreaker (e.g., if the two models are tied by arena score, “Google” would be ranked ahead of “xAI”). This market will resolve based on the company that occupies first place under this ranking.
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 will 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: Mar 20, 2026, 4:39 PM ET
Resolver
0x69c47De9D...Results from the "Score" 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 ranked primarily by their arena score at this market’s check time, with alphabetical order of company names as listed in this market group used as a tiebreaker (e.g., if the two models are tied by arena score, “Google” would be ranked ahead of “xAI”). This market will resolve based on the company that occupies first place under this ranking.
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 will resolve based on the first check after it becomes available. If it becomes permanently unavailable, this market will resolve based on another resolution source.
Resolver
0x69c47De9D...Trader consensus on Polymarket assigns Anthropic an 85% implied probability of holding the #1 spot on the LMArena Chatbot Arena LLM Leaderboard (Style Control On) by April 30, 2026, driven by Claude Opus 4.6's sustained dominance in late March Elo ratings, where its "thinking" variant tops charts ahead of Google's Gemini 3.1 Pro and xAI's Grok 4.20 beta. This lead stems from Anthropic's February release outperforming rivals in crowdsourced battles on reasoning, coding, and creative tasks, amid a flurry of March updates from OpenAI (GPT-5.4) and others that failed to overtake it. With no confirmed upcoming launches from challengers like Google or xAI, traders anticipate stability barring surprises, though leaderboard volatility from new evaluations remains a risk.
Experimental AI-generated summary referencing Polymarket data · Updated
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Beware of external links.
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