Anthropic leads trader sentiment for the top Code Arena WebDev AI model by end of October at 58.5 percent implied probability, driven by its consistent strength in coding benchmarks and developer tools. The market shows a closely contested field, with many participants clustered near 50 percent, highlighting uncertainty over which large language model will deliver the strongest results in web-specific tasks such as frontend generation, JavaScript debugging, and full-stack integration. Google follows at 17.6 percent, while lower-priced options like Thinky reflect smaller scale or less proven capabilities. Key swing factors include upcoming model updates, benchmark releases, and real-world adoption metrics that could reshape the ranking before resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedAnthropic 59%
Thinky 9.4%
Google 7.9%
Moonshot 5.1%
$32,530 Vol.
$32,530 Vol.

Anthropic
59%

Thinky
16%

17%

Moonshot
5%

Alibaba
4%

SpaceXAI
4%

DeepSeek
1%

Tencent
1%

Z.ai
1%

ByteDance
1%

Xiaomi
1%

Meta
1%

Mistral
1%

OpenAI
1%

Poolside
1%

MiniMax
<1%
Anthropic 59%
Thinky 9.4%
Google 7.9%
Moonshot 5.1%
$32,530 Vol.
$32,530 Vol.

Anthropic
59%

Thinky
16%

17%

Moonshot
5%

Alibaba
4%

SpaceXAI
4%

DeepSeek
1%

Tencent
1%

Z.ai
1%

ByteDance
1%

Xiaomi
1%

Meta
1%

Mistral
1%

OpenAI
1%

Poolside
1%

MiniMax
<1%
Results from the "Rank" column under the "Code Arena | WebDev" Leaderboard tab at https://arena.ai/leaderboard/code/webdev (Overall) filtered for "Models" will be used to resolve this market.
Note: Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score.
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 which model is listed higher on the leaderboard. If a tie still remains, alphabetical order of company names as listed in this market group will be used as a final tiebreaker (e.g., “Google” would be ranked ahead of “SpaceXAI”). This market will resolve based on the company that occupies first place under this ranking.
The resolution source for this market is the arena.ai Code Arena | WebDev Leaderboard. 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 to "Other".
Market Opened: Aug 12, 2026, 7:56 PM ET
Resolver
0x69c47De9D...Results from the "Rank" column under the "Code Arena | WebDev" Leaderboard tab at https://arena.ai/leaderboard/code/webdev (Overall) filtered for "Models" will be used to resolve this market.
Note: Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score.
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 which model is listed higher on the leaderboard. If a tie still remains, alphabetical order of company names as listed in this market group will be used as a final tiebreaker (e.g., “Google” would be ranked ahead of “SpaceXAI”). This market will resolve based on the company that occupies first place under this ranking.
The resolution source for this market is the arena.ai Code Arena | WebDev Leaderboard. 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 to "Other".
Resolver
0x69c47De9D...Anthropic leads trader sentiment for the top Code Arena WebDev AI model by end of October at 58.5 percent implied probability, driven by its consistent strength in coding benchmarks and developer tools. The market shows a closely contested field, with many participants clustered near 50 percent, highlighting uncertainty over which large language model will deliver the strongest results in web-specific tasks such as frontend generation, JavaScript debugging, and full-stack integration. Google follows at 17.6 percent, while lower-priced options like Thinky reflect smaller scale or less proven capabilities. Key swing factors include upcoming model updates, benchmark releases, and real-world adoption metrics that could reshape the ranking before resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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