Anthropic leads market-implied odds at 85.5% for the top Code Arena WebDev AI model by end of September due to Claude's consistent dominance in recent coding benchmarks, particularly web development tasks involving frontend frameworks, API integrations, and responsive design. Traders cite strong demonstrated capabilities from the latest model iterations, including superior handling of complex JavaScript, TypeScript, and full-stack workflows compared to competitors. OpenAI trails sharply at 5.5% amid slower progress on specialized coding refinements, while lower-probability entries like Meta, Google, and others reflect limited recent benchmark leadership or delayed releases. Key upcoming catalysts include any late-August model updates or third-party evaluations that could shift the closely watched coding arena standings before resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedAnthropic 86%
OpenAI 5.6%
Moonshot 4.8%
Meta 3.6%
$50,043 Vol.
$50,043 Vol.
Sep 30, 2026
Anthropic
86%
OpenAI
6%
Moonshot
5%
Meta
4%
Alibaba
3%
Z.ai
2%
2%
SpaceXAI
1%
DeepSeek
1%
ByteDance
<1%
MiniMax
<1%
Xiaomi
<1%
Thinky
<1%
Tencent
<1%
Poolside
<1%
Mistral
<1%
Anthropic 86%
OpenAI 5.6%
Moonshot 4.8%
Meta 3.6%
$50,043 Vol.
$50,043 Vol.
Sep 30, 2026
Anthropic
$22,734 Vol.
86%
OpenAI
$3,545 Vol.
6%
Moonshot
$12,539 Vol.
5%
Meta
$1,109 Vol.
4%
Alibaba
$1,197 Vol.
3%
Z.ai
$1,369 Vol.
2%
$1,385 Vol.
2%
SpaceXAI
$959 Vol.
1%
DeepSeek
$962 Vol.
1%
ByteDance
$468 Vol.
<1%
MiniMax
$559 Vol.
<1%
Xiaomi
$657 Vol.
<1%
Thinky
$560 Vol.
<1%
Tencent
$571 Vol.
<1%
Poolside
$641 Vol.
<1%
Mistral
$789 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 September 30, 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 leads market-implied odds at 85.5% for the top Code Arena WebDev AI model by end of September due to Claude's consistent dominance in recent coding benchmarks, particularly web development tasks involving frontend frameworks, API integrations, and responsive design. Traders cite strong demonstrated capabilities from the latest model iterations, including superior handling of complex JavaScript, TypeScript, and full-stack workflows compared to competitors. OpenAI trails sharply at 5.5% amid slower progress on specialized coding refinements, while lower-probability entries like Meta, Google, and others reflect limited recent benchmark leadership or delayed releases. Key upcoming catalysts include any late-August model updates or third-party evaluations that could shift the closely watched coding arena standings before resolution.
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 September 30, 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".
Market Opened: Jul 20, 2026, 7:23 PM ET
Volume
$50,043End Date
Sep 30, 2026Market Opened
Jul 20, 2026, 7:23 PM ETResolution Source
https://arena.ai/leaderboard/code/webdevResolver
0x69c47De9D...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 September 30, 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 leads market-implied odds at 85.5% for the top Code Arena WebDev AI model by end of September due to Claude's consistent dominance in recent coding benchmarks, particularly web development tasks involving frontend frameworks, API integrations, and responsive design. Traders cite strong demonstrated capabilities from the latest model iterations, including superior handling of complex JavaScript, TypeScript, and full-stack workflows compared to competitors. OpenAI trails sharply at 5.5% amid slower progress on specialized coding refinements, while lower-probability entries like Meta, Google, and others reflect limited recent benchmark leadership or delayed releases. Key upcoming catalysts include any late-August model updates or third-party evaluations that could shift the closely watched coding arena standings before resolution.
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 September 30, 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".
Volume
$50,043End Date
Sep 30, 2026Market Opened
Jul 20, 2026, 7:23 PM ETResolution Source
https://arena.ai/leaderboard/code/webdevResolver
0x69c47De9D...Anthropic leads market-implied odds at 85.5% for the top Code Arena WebDev AI model by end of September due to Claude's consistent dominance in recent coding benchmarks, particularly web development tasks involving frontend frameworks, API integrations, and responsive design. Traders cite strong demonstrated capabilities from the latest model iterations, including superior handling of complex JavaScript, TypeScript, and full-stack workflows compared to competitors. OpenAI trails sharply at 5.5% amid slower progress on specialized coding refinements, while lower-probability entries like Meta, Google, and others reflect limited recent benchmark leadership or delayed releases. Key upcoming catalysts include any late-August model updates or third-party evaluations that could shift the closely watched coding arena standings 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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