Trader consensus on Polymarket assigns Anthropic a 93.5% implied probability of fielding the top large language model on the LMSYS Chatbot Arena leaderboard by April 30, driven by Claude Opus 4.6's recent dominance across text, coding, and professional benchmarks—achieving the highest Elo ratings and #1 spots in developer tools like SWE-bench at 75.6%. Supporting this are Sonnet 4.6's enterprise traction, 1M-token context windows, and agentic features from Anthropic's biweekly Q1 2026 release cadence, outpacing rivals amid OpenAI investor pullbacks and Google's slight trailing. Realistic challenges include surprise Gemini 3.x or GPT-5.x launches before month-end, or leaderboard shifts from updated evals, though Anthropic's momentum favors continuity.
Experimental AI-generated summary referencing Polymarket data · UpdatedAnthropic 94%
Google 2.6%
OpenAI 2.0%
DeepSeek <1%
$3,683,265 Vol.
$3,683,265 Vol.

Anthropic
94%

3%

OpenAI
2%

DeepSeek
1%

xAI
<1%

Moonshot
<1%

Baidu
<1%

Amazon
<1%

Mistral
<1%

Meituan
<1%

Alibaba
<1%

ByteDance
<1%

Z.ai
<1%
Anthropic 94%
Google 2.6%
OpenAI 2.0%
DeepSeek <1%
$3,683,265 Vol.
$3,683,265 Vol.

Anthropic
94%

3%

OpenAI
2%

DeepSeek
1%

xAI
<1%

Moonshot
<1%

Baidu
<1%

Amazon
<1%

Mistral
<1%

Meituan
<1%

Alibaba
<1%

ByteDance
<1%

Z.ai
<1%
Results from the "Score" column under the "Text Arena | Overall" Leaderboard tab at https://lmarena.ai/leaderboard/text with style control off 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, 4:17 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 off 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 a 93.5% implied probability of fielding the top large language model on the LMSYS Chatbot Arena leaderboard by April 30, driven by Claude Opus 4.6's recent dominance across text, coding, and professional benchmarks—achieving the highest Elo ratings and #1 spots in developer tools like SWE-bench at 75.6%. Supporting this are Sonnet 4.6's enterprise traction, 1M-token context windows, and agentic features from Anthropic's biweekly Q1 2026 release cadence, outpacing rivals amid OpenAI investor pullbacks and Google's slight trailing. Realistic challenges include surprise Gemini 3.x or GPT-5.x launches before month-end, or leaderboard shifts from updated evals, though Anthropic's momentum favors continuity.
Experimental AI-generated summary referencing Polymarket data · Updated
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Frequently Asked Questions