Anthropic's Claude 3 Opus leads LMSYS Chatbot Arena with the highest Elo score of around 1288 as of late April, driving its 63.5% implied probability as the best AI model by month-end, reflecting trader consensus on its sustained edge in reasoning and coding benchmarks. Google's Gemini 1.5 Pro experimental variant holds second at 15% odds, buoyed by multimodal advances but trailing in overall user-voted performance. OpenAI's GPT-4 Turbo lags closely yet sees just 4.5% due to no pre-May upgrades like GPT-4o. Dark horses like DeepSeek (5.1%) and xAI's Grok-1.5 (3.2%) gain from specialized strengths in math and vision, but lack leaderboard dominance; probabilities hinge on final user votes before April 30 resolution.
Experimental AI-generated summary referencing Polymarket data · UpdatedAnthropic 64%
Google 15%
DeepSeek 5.1%
OpenAI 5%
$21,045 Vol.
$21,045 Vol.

Anthropic
64%

15%

DeepSeek
5%

OpenAI
5%

xAI
3%

Moonshot
3%

Baidu
2%

Alibaba
1%

Meituan
1%

Mistral
1%

Z.ai
1%

Amazon
1%

ByteDance
1%
Anthropic 64%
Google 15%
DeepSeek 5.1%
OpenAI 5%
$21,045 Vol.
$21,045 Vol.

Anthropic
64%

15%

DeepSeek
5%

OpenAI
5%

xAI
3%

Moonshot
3%

Baidu
2%

Alibaba
1%

Meituan
1%

Mistral
1%

Z.ai
1%

Amazon
1%

ByteDance
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...Resolver
0x69c47De9D...Anthropic's Claude 3 Opus leads LMSYS Chatbot Arena with the highest Elo score of around 1288 as of late April, driving its 63.5% implied probability as the best AI model by month-end, reflecting trader consensus on its sustained edge in reasoning and coding benchmarks. Google's Gemini 1.5 Pro experimental variant holds second at 15% odds, buoyed by multimodal advances but trailing in overall user-voted performance. OpenAI's GPT-4 Turbo lags closely yet sees just 4.5% due to no pre-May upgrades like GPT-4o. Dark horses like DeepSeek (5.1%) and xAI's Grok-1.5 (3.2%) gain from specialized strengths in math and vision, but lack leaderboard dominance; probabilities hinge on final user votes before April 30 resolution.
Experimental AI-generated summary referencing Polymarket data · Updated


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