Trader consensus on Polymarket overwhelmingly favors Google at 98.3% implied probability for the third-best AI model by March 31, driven by the current LMSYS Chatbot Arena leaderboard where Anthropic's Claude Opus 4.6 holds the top spot, OpenAI's GPT-5.2 or 5.4 ranks second, and Google's Gemini 3.1 Pro sits firmly third with a substantial Elo score lead over challengers like xAI's Grok. This positioning stems from Google's February 19 Gemini 3.1 Pro release, which reclaimed competitive ground through superior multimodal benchmarks and reasoning capabilities amid a flurry of early March model drops from rivals. No major leaderboard shifts have occurred in the past week, solidifying trader confidence. Realistic challenges include a last-minute xAI Grok update or LMSYS recalculation elevating another model before resolution.
Experimental AI-generated summary referencing Polymarket data · UpdatedGoogle 98.4%
xAI 1.3%
Z.ai <1%
Anthropic <1%
$478,057 Vol.
$478,057 Vol.

98%

xAI
1%

Z.ai
<1%

Anthropic
<1%

OpenAI
<1%

Alibaba
<1%

DeepSeek
<1%

Mistral
<1%

Baidu
<1%

Moonshot
<1%

Meituan
<1%
Google 98.4%
xAI 1.3%
Z.ai <1%
Anthropic <1%
$478,057 Vol.
$478,057 Vol.

98%

xAI
1%

Z.ai
<1%

Anthropic
<1%

OpenAI
<1%

Alibaba
<1%

DeepSeek
<1%

Mistral
<1%

Baidu
<1%

Moonshot
<1%

Meituan
<1%
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 third best 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: Dec 2, 2025, 6:03 PM ET
Resolver
0x2F5e3684c...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 third best 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.
Resolver
0x2F5e3684c...Trader consensus on Polymarket overwhelmingly favors Google at 98.3% implied probability for the third-best AI model by March 31, driven by the current LMSYS Chatbot Arena leaderboard where Anthropic's Claude Opus 4.6 holds the top spot, OpenAI's GPT-5.2 or 5.4 ranks second, and Google's Gemini 3.1 Pro sits firmly third with a substantial Elo score lead over challengers like xAI's Grok. This positioning stems from Google's February 19 Gemini 3.1 Pro release, which reclaimed competitive ground through superior multimodal benchmarks and reasoning capabilities amid a flurry of early March model drops from rivals. No major leaderboard shifts have occurred in the past week, solidifying trader confidence. Realistic challenges include a last-minute xAI Grok update or LMSYS recalculation elevating another model before resolution.
Experimental AI-generated summary referencing Polymarket data · Updated


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