Trader consensus on Polymarket assigns a 90% implied probability to Anthropic holding the #1 spot on the LMArena Chatbot Arena leaderboard (Style Control On metric) by April's end, driven by its Claude Opus 4.6 Thinking model's dominant 1504 Elo score—5+ points ahead of rivals like Google's Gemini 3.1 Pro Preview at 1494 and xAI's Grok 4.20 Beta at 1491. This lead stems from Anthropic's February Claude Opus 4.6 release and subsequent "thinking" mode enhancements, prioritizing agentic reasoning and coding prowess amid a flurry of 2026 shipments including Sonnet 4.6 and 1M-token context. With three weeks left and no confirmed rival launches, traders see slim odds of disruption, though surprise previews from OpenAI or Google could shift dynamics.
Experimental AI-generated summary referencing Polymarket data · UpdatedAnthropic 90%
Google 2.8%
xAI 2.1%
OpenAI 2.0%
$876,481 Vol.
$876,481 Vol.

Anthropic
90%

3%

xAI
2%

OpenAI
2%

DeepSeek
1%

Alibaba
<1%

Moonshot
<1%

ByteDance
<1%

Z.ai
<1%

Amazon
<1%

Mistral
<1%

Meituan
<1%

Baidu
<1%
Anthropic 90%
Google 2.8%
xAI 2.1%
OpenAI 2.0%
$876,481 Vol.
$876,481 Vol.

Anthropic
90%

3%

xAI
2%

OpenAI
2%

DeepSeek
1%

Alibaba
<1%

Moonshot
<1%

ByteDance
<1%

Z.ai
<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 a 90% implied probability to Anthropic holding the #1 spot on the LMArena Chatbot Arena leaderboard (Style Control On metric) by April's end, driven by its Claude Opus 4.6 Thinking model's dominant 1504 Elo score—5+ points ahead of rivals like Google's Gemini 3.1 Pro Preview at 1494 and xAI's Grok 4.20 Beta at 1491. This lead stems from Anthropic's February Claude Opus 4.6 release and subsequent "thinking" mode enhancements, prioritizing agentic reasoning and coding prowess amid a flurry of 2026 shipments including Sonnet 4.6 and 1M-token context. With three weeks left and no confirmed rival launches, traders see slim odds of disruption, though surprise previews from OpenAI or Google could shift dynamics.
Experimental AI-generated summary referencing Polymarket data · Updated



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