Traders have converged on Anthropic at near-certain implied probability because its Claude Opus series, including the late-May update to Opus 4.8, posted dominant results on key benchmarks such as agentic coding tasks exceeding 80 percent on SWE-Bench while delivering strong multidisciplinary reasoning and safety metrics. This performance edge over competing large language models from Google and others solidified the lead in the final weeks of May. The outcome remains subject to the precise evaluation criteria at month-end, so an unexpected late benchmark shift or revision in resolution rules could still alter the result, though current trader positioning reflects overwhelming evidence from verified capability demonstrations.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updateWhich company has the #1 AI model end of May? (Style Control On)
Anthropic 100.0%
Google <1%
Mistral <1%
Meituan <1%
$809,798 Vol.
$809,798 Vol.

No

Mistral
No

Meituan
No

Anthropic
Yes

OpenAI
No

ByteDance
No

Baidu
No

DeepSeek
No

Microsoft
No

Alibaba
No

Amazon
No

Meta
No

xAI
No

Moonshot
No

Z.ai
No
Anthropic 100.0%
Google <1%
Mistral <1%
Meituan <1%
$809,798 Vol.
$809,798 Vol.

No

Mistral
No

Meituan
No

Anthropic
Yes

OpenAI
No

ByteDance
No

Baidu
No

DeepSeek
No

Microsoft
No

Alibaba
No

Amazon
No

Meta
No

xAI
No

Moonshot
No

Z.ai
No
Results from the "Rank" column under the "Text Arena | Overall" Leaderboard tab at https://lmarena.ai/leaderboard/text with style control on will be used to resolve this market.
Models will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any underlying, unrounded, granular values reflected in the data below the leaderboard. If a tie remains, alphabetical order of company names as listed in this market group will be used as a final tiebreaker (e.g., if the two models are tied by exact arena score, “Google” would be ranked ahead of “xAI”). This market will resolve based on the company that occupies first place under this ranking system.
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.
Binuksan ang Market: Apr 14, 2026, 5:18 PM ET
Resolver
0x69c47De9D...Na-propose ang outcome: Yes
Walang dispute
Pinal na outcome: Yes
Results from the "Rank" column under the "Text Arena | Overall" Leaderboard tab at https://lmarena.ai/leaderboard/text with style control on will be used to resolve this market.
Models will be ordered primarily by their leaderboard rank at the market’s check time. If two or more models are tied on rank, they will be ordered by their Arena score, including any underlying, unrounded, granular values reflected in the data below the leaderboard. If a tie remains, alphabetical order of company names as listed in this market group will be used as a final tiebreaker (e.g., if the two models are tied by exact arena score, “Google” would be ranked ahead of “xAI”). This market will resolve based on the company that occupies first place under this ranking system.
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...Na-propose ang outcome: Yes
Walang dispute
Pinal na outcome: Yes
Traders have converged on Anthropic at near-certain implied probability because its Claude Opus series, including the late-May update to Opus 4.8, posted dominant results on key benchmarks such as agentic coding tasks exceeding 80 percent on SWE-Bench while delivering strong multidisciplinary reasoning and safety metrics. This performance edge over competing large language models from Google and others solidified the lead in the final weeks of May. The outcome remains subject to the precise evaluation criteria at month-end, so an unexpected late benchmark shift or revision in resolution rules could still alter the result, though current trader positioning reflects overwhelming evidence from verified capability demonstrations.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update
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