Anthropic's dominant 56.5% implied probability reflects Claude 3.5 Sonnet's June 20 release, which propelled it to the top of the LMSYS Chatbot Arena's Style Control leaderboard—excelling in precise instruction adherence and creative output formatting amid over 3 million user votes. This edges out Google's Gemini 1.5 at 15.5%, buoyed by multimodal strengths but trailing in stylistic fidelity, and OpenAI's GPT-4o at 11.5% post its June 13 voice-enabled launch, now overshadowed in benchmarks. xAI's Grok-1.5V holds 5.5% on vision gains, while Moonshot, DeepSeek, and others linger below 4% on regional prowess lacking global Elo dominance. Traders eye leaderboard stability through June 30 resolution amid volatile rankings.
Experimental AI-generated summary referencing Polymarket data · UpdatedAnthropic 56%
Google 16%
OpenAI 12%
xAI 6%
$894,944 Vol.
$894,944 Vol.

Anthropic
56%

16%

OpenAI
12%

xAI
6%

Moonshot
4%

DeepSeek
3%

Meituan
3%

Mistral
2%

Z.ai
1%

Alibaba
1%
Anthropic 56%
Google 16%
OpenAI 12%
xAI 6%
$894,944 Vol.
$894,944 Vol.

Anthropic
56%

16%

OpenAI
12%

xAI
6%

Moonshot
4%

DeepSeek
3%

Meituan
3%

Mistral
2%

Z.ai
1%

Alibaba
1%
Results from the "Arena Score" section on the Leaderboard tab of https://lmarena.ai/leaderboard/text set to default (style control on) will be used to resolve this market.
If two models are tied for the 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 resolves 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: Oct 10, 2025, 5:27 PM ET
Resolver
0x2F5e3684c...Resolver
0x2F5e3684c...Anthropic's dominant 56.5% implied probability reflects Claude 3.5 Sonnet's June 20 release, which propelled it to the top of the LMSYS Chatbot Arena's Style Control leaderboard—excelling in precise instruction adherence and creative output formatting amid over 3 million user votes. This edges out Google's Gemini 1.5 at 15.5%, buoyed by multimodal strengths but trailing in stylistic fidelity, and OpenAI's GPT-4o at 11.5% post its June 13 voice-enabled launch, now overshadowed in benchmarks. xAI's Grok-1.5V holds 5.5% on vision gains, while Moonshot, DeepSeek, and others linger below 4% on regional prowess lacking global Elo dominance. Traders eye leaderboard stability through June 30 resolution amid volatile rankings.
Experimental AI-generated summary referencing Polymarket data · Updated


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