Anthropic’s dominant position on the Code Arena WebDev leaderboard, where its Claude Opus 5 models hold the top ranks with scores above 1680 as of early August 2026, drives the 85.5% implied probability. Recent releases of Claude Opus 5 variants have demonstrated superior agentic coding performance on multi-step front-end web development tasks, including React generation and tool-use workflows, outperforming competitors in crowd-voted evaluations. OpenAI’s GPT-5.6 variants and Google models trail with lower arena ratings in this specific domain, while emerging Chinese models like Moonshot’s Kimi K3 show competitive but secondary results. With resolution nearing end of August, traders are weighting Anthropic’s consistent leaderboard edge and recent capability gains heavily.
Polymarketデータを参照したAI生成の実験的な要約。これは取引アドバイスではなく、このマーケットの解決方法には一切関係ありません。 · 更新日Anthropic 86%
OpenAI 6.0%
Google 4.6%
ムーンショット 3.7%
$42,805 Vol.
$42,805 Vol.
2026/08/31
Anthropic
86%
OpenAI
6%
5%
ムーンショット
4%
アリババ
2%
Z.ai
1%
SpaceXAI
1%
DeepSeek
<1%
Meta
<1%
バイトダンス
<1%
MiniMax
<1%
小米（シャオミ）
<1%
Thinky
<1%
テンセント
<1%
Poolside
<1%
ミストラル
<1%
Anthropic 86%
OpenAI 6.0%
Google 4.6%
ムーンショット 3.7%
$42,805 Vol.
$42,805 Vol.
2026/08/31
Anthropic
$29,272 Vol.
86%
OpenAI
$1,093 Vol.
6%
$913 Vol.
5%
ムーンショット
$4,679 Vol.
4%
アリババ
$847 Vol.
2%
Z.ai
$712 Vol.
1%
SpaceXAI
$610 Vol.
1%
DeepSeek
$576 Vol.
<1%
Meta
$676 Vol.
<1%
バイトダンス
$458 Vol.
<1%
MiniMax
$532 Vol.
<1%
小米（シャオミ）
$336 Vol.
<1%
Thinky
$525 Vol.
<1%
テンセント
$530 Vol.
<1%
Poolside
$488 Vol.
<1%
ミストラル
$557 Vol.
<1%
This market will resolve according to the company that owns the model that has the highest rank based on the arena.ai Code Arena | WebDev Leaderboard when the table under "Code Arena | WebDev" filtered for "Models" is checked on August 31, 2026, 12:00 PM ET.
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.
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".Anthropic’s dominant position on the Code Arena WebDev leaderboard, where its Claude Opus 5 models hold the top ranks with scores above 1680 as of early August 2026, drives the 85.5% implied probability. Recent releases of Claude Opus 5 variants have demonstrated superior agentic coding performance on multi-step front-end web development tasks, including React generation and tool-use workflows, outperforming competitors in crowd-voted evaluations. OpenAI’s GPT-5.6 variants and Google models trail with lower arena ratings in this specific domain, while emerging Chinese models like Moonshot’s Kimi K3 show competitive but secondary results. With resolution nearing end of August, traders are weighting Anthropic’s consistent leaderboard edge and recent capability gains heavily.
This market will resolve according to the company that owns the model that has the highest rank based on the arena.ai Code Arena | WebDev Leaderboard when the table under "Code Arena | WebDev" filtered for "Models" is checked on August 31, 2026, 12:00 PM ET.
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.
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".
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.
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".
マーケット開始日： Jul 16, 2026, 10:56 PM ET
音量
$42,805終了日
2026/08/31マーケット開始日
Jul 16, 2026, 10:56 PM ETThis market will resolve according to the company that owns the model that has the highest rank based on the arena.ai Code Arena | WebDev Leaderboard when the table under "Code Arena | WebDev" filtered for "Models" is checked on August 31, 2026, 12:00 PM ET.
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.
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".Anthropic’s dominant position on the Code Arena WebDev leaderboard, where its Claude Opus 5 models hold the top ranks with scores above 1680 as of early August 2026, drives the 85.5% implied probability. Recent releases of Claude Opus 5 variants have demonstrated superior agentic coding performance on multi-step front-end web development tasks, including React generation and tool-use workflows, outperforming competitors in crowd-voted evaluations. OpenAI’s GPT-5.6 variants and Google models trail with lower arena ratings in this specific domain, while emerging Chinese models like Moonshot’s Kimi K3 show competitive but secondary results. With resolution nearing end of August, traders are weighting Anthropic’s consistent leaderboard edge and recent capability gains heavily.
This market will resolve according to the company that owns the model that has the highest rank based on the arena.ai Code Arena | WebDev Leaderboard when the table under "Code Arena | WebDev" filtered for "Models" is checked on August 31, 2026, 12:00 PM ET.
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.
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".
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.
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".
音量
$42,805終了日
2026/08/31マーケット開始日
Jul 16, 2026, 10:56 PM ETAnthropic’s dominant position on the Code Arena WebDev leaderboard, where its Claude Opus 5 models hold the top ranks with scores above 1680 as of early August 2026, drives the 85.5% implied probability. Recent releases of Claude Opus 5 variants have demonstrated superior agentic coding performance on multi-step front-end web development tasks, including React generation and tool-use workflows, outperforming competitors in crowd-voted evaluations. OpenAI’s GPT-5.6 variants and Google models trail with lower arena ratings in this specific domain, while emerging Chinese models like Moonshot’s Kimi K3 show competitive but secondary results. With resolution nearing end of August, traders are weighting Anthropic’s consistent leaderboard edge and recent capability gains heavily.
Polymarketデータを参照したAI生成の実験的な要約。これは取引アドバイスではなく、このマーケットの解決方法には一切関係ありません。 · 更新日
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