Anthropic's Claude Opus 4.6 commands a dominant 90.5% implied probability on Polymarket due to its commanding lead atop the LMSYS Chatbot Arena leaderboard as of late March 2026, scoring 2,002 Elo points—well ahead of Google's Gemini 3.1 Pro at 1,862—bolstered by iterative upgrades shipped every two weeks since January, enhancing coding, agentic capabilities, and 1M-token context windows. This trader consensus reflects real capital betting on Anthropic's rapid release cadence outpacing rivals amid no confirmed competing launches before April 30. Realistic challengers include surprise drops like an OpenAI GPT-5.5 variant, Google Gemini 3.2, or xAI Grok updates overtaking on benchmarks, though historical timelines suggest low near-term risk.
Experimental AI-generated summary referencing Polymarket data · UpdatedAnthropic 91%
Google 4.5%
OpenAI 2.3%
xAI <1%
$2,695,673 Vol.
$2,695,673 Vol.

Anthropic
91%

5%

OpenAI
2%

xAI
1%

DeepSeek
1%

Alibaba
<1%

Baidu
<1%

Meituan
<1%

ByteDance
<1%

Moonshot
<1%

Z.ai
<1%

Amazon
<1%

Mistral
<1%
Anthropic 91%
Google 4.5%
OpenAI 2.3%
xAI <1%
$2,695,673 Vol.
$2,695,673 Vol.

Anthropic
91%

5%

OpenAI
2%

xAI
1%

DeepSeek
1%

Alibaba
<1%

Baidu
<1%

Meituan
<1%

ByteDance
<1%

Moonshot
<1%

Z.ai
<1%

Amazon
<1%

Mistral
<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...Anthropic's Claude Opus 4.6 commands a dominant 90.5% implied probability on Polymarket due to its commanding lead atop the LMSYS Chatbot Arena leaderboard as of late March 2026, scoring 2,002 Elo points—well ahead of Google's Gemini 3.1 Pro at 1,862—bolstered by iterative upgrades shipped every two weeks since January, enhancing coding, agentic capabilities, and 1M-token context windows. This trader consensus reflects real capital betting on Anthropic's rapid release cadence outpacing rivals amid no confirmed competing launches before April 30. Realistic challengers include surprise drops like an OpenAI GPT-5.5 variant, Google Gemini 3.2, or xAI Grok updates overtaking on benchmarks, though historical timelines suggest low near-term risk.
Experimental AI-generated summary referencing Polymarket data · Updated
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Frequently Asked Questions