Rapid releases from Moonshot AI’s Kimi K3, which recently topped the Code Arena WebDev leaderboard with strong frontend coding performance, and Alibaba’s Qwen3.8 series have created a tight race for second place behind likely leader Anthropic. Trader consensus reflects this uncertainty, with many labs clustered near even implied odds as ongoing votes on arena.ai shift rankings quickly. Key differentiators include agentic multi-step reasoning for real web apps, context handling, and iteration speed on the platform’s human-voted tasks. With September resolution weeks away, any new model updates, weight releases, or benchmark surges from OpenAI, Google, or ByteDance could swing outcomes before final tallies settle.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedAlibaba 47%
Moonshot 24%
OpenAI 14%
Anthropic 8.1%
$14,784 Vol.
$14,784 Vol.
Sep 30, 2026
Alibaba
47%
Moonshot
24%
OpenAI
14%
Anthropic
8%
ByteDance
3%
3%
SpaceXAI
2%
Poolside
2%
Thinky
2%
DeepSeek
2%
Z.ai
2%
MiniMax
2%
Meta
1%
Xiaomi
1%
Mistral
1%
Tencent
1%
Alibaba 47%
Moonshot 24%
OpenAI 14%
Anthropic 8.1%
$14,784 Vol.
$14,784 Vol.
Sep 30, 2026
Alibaba
$5,027 Vol.
47%
Moonshot
$1,841 Vol.
24%
OpenAI
$942 Vol.
14%
Anthropic
$2,982 Vol.
8%
ByteDance
$1,403 Vol.
3%
$188 Vol.
3%
SpaceXAI
$194 Vol.
2%
Poolside
$236 Vol.
2%
Thinky
$158 Vol.
2%
DeepSeek
$168 Vol.
2%
Z.ai
$158 Vol.
2%
MiniMax
$153 Vol.
2%
Meta
$245 Vol.
1%
Xiaomi
$534 Vol.
1%
Mistral
$387 Vol.
1%
Tencent
$169 Vol.
1%
This market will resolve according to the second-highest ranked Company based on the arena.ai Code Arena | WebDev Leaderboard when the table under "Code Arena | WebDev" filtered for "Labs" is checked on September 30, 2026, 12:00 PM ET.
Results from the "Lab Rank" column under the "Code Arena | WebDev" Leaderboard tab at https://arena.ai/leaderboard/code/webdev?rankBy=labs (Overall) filtered for "Labs" will be used to resolve this market.
AI companies will be ordered primarily by their Lab Rank at the market’s check time. If the results based on the lab ranking are ambiguous or unavailable, the relevant AI companies will be ordered according to their highest-ranking AI model in the leaderboard’s “Models” view. 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 AI lab/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 second 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".Rapid releases from Moonshot AI’s Kimi K3, which recently topped the Code Arena WebDev leaderboard with strong frontend coding performance, and Alibaba’s Qwen3.8 series have created a tight race for second place behind likely leader Anthropic. Trader consensus reflects this uncertainty, with many labs clustered near even implied odds as ongoing votes on arena.ai shift rankings quickly. Key differentiators include agentic multi-step reasoning for real web apps, context handling, and iteration speed on the platform’s human-voted tasks. With September resolution weeks away, any new model updates, weight releases, or benchmark surges from OpenAI, Google, or ByteDance could swing outcomes before final tallies settle.
This market will resolve according to the second-highest ranked Company based on the arena.ai Code Arena | WebDev Leaderboard when the table under "Code Arena | WebDev" filtered for "Labs" is checked on September 30, 2026, 12:00 PM ET.
Results from the "Lab Rank" column under the "Code Arena | WebDev" Leaderboard tab at https://arena.ai/leaderboard/code/webdev?rankBy=labs (Overall) filtered for "Labs" will be used to resolve this market.
AI companies will be ordered primarily by their Lab Rank at the market’s check time. If the results based on the lab ranking are ambiguous or unavailable, the relevant AI companies will be ordered according to their highest-ranking AI model in the leaderboard’s “Models” view. 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 AI lab/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 second 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 "Lab Rank" column under the "Code Arena | WebDev" Leaderboard tab at https://arena.ai/leaderboard/code/webdev?rankBy=labs (Overall) filtered for "Labs" will be used to resolve this market.
AI companies will be ordered primarily by their Lab Rank at the market’s check time. If the results based on the lab ranking are ambiguous or unavailable, the relevant AI companies will be ordered according to their highest-ranking AI model in the leaderboard’s “Models” view. 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 AI lab/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 second 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 24, 2026, 7:45 PM ET
Volume
$14,784End Date
Sep 30, 2026Market Opened
Jul 24, 2026, 7:45 PM ETResolution Source
https://arena.ai/leaderboard/code/webdev?rankBy=labsResolver
0x69c47De9D...This market will resolve according to the second-highest ranked Company based on the arena.ai Code Arena | WebDev Leaderboard when the table under "Code Arena | WebDev" filtered for "Labs" is checked on September 30, 2026, 12:00 PM ET.
Results from the "Lab Rank" column under the "Code Arena | WebDev" Leaderboard tab at https://arena.ai/leaderboard/code/webdev?rankBy=labs (Overall) filtered for "Labs" will be used to resolve this market.
AI companies will be ordered primarily by their Lab Rank at the market’s check time. If the results based on the lab ranking are ambiguous or unavailable, the relevant AI companies will be ordered according to their highest-ranking AI model in the leaderboard’s “Models” view. 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 AI lab/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 second 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".Rapid releases from Moonshot AI’s Kimi K3, which recently topped the Code Arena WebDev leaderboard with strong frontend coding performance, and Alibaba’s Qwen3.8 series have created a tight race for second place behind likely leader Anthropic. Trader consensus reflects this uncertainty, with many labs clustered near even implied odds as ongoing votes on arena.ai shift rankings quickly. Key differentiators include agentic multi-step reasoning for real web apps, context handling, and iteration speed on the platform’s human-voted tasks. With September resolution weeks away, any new model updates, weight releases, or benchmark surges from OpenAI, Google, or ByteDance could swing outcomes before final tallies settle.
This market will resolve according to the second-highest ranked Company based on the arena.ai Code Arena | WebDev Leaderboard when the table under "Code Arena | WebDev" filtered for "Labs" is checked on September 30, 2026, 12:00 PM ET.
Results from the "Lab Rank" column under the "Code Arena | WebDev" Leaderboard tab at https://arena.ai/leaderboard/code/webdev?rankBy=labs (Overall) filtered for "Labs" will be used to resolve this market.
AI companies will be ordered primarily by their Lab Rank at the market’s check time. If the results based on the lab ranking are ambiguous or unavailable, the relevant AI companies will be ordered according to their highest-ranking AI model in the leaderboard’s “Models” view. 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 AI lab/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 second 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 "Lab Rank" column under the "Code Arena | WebDev" Leaderboard tab at https://arena.ai/leaderboard/code/webdev?rankBy=labs (Overall) filtered for "Labs" will be used to resolve this market.
AI companies will be ordered primarily by their Lab Rank at the market’s check time. If the results based on the lab ranking are ambiguous or unavailable, the relevant AI companies will be ordered according to their highest-ranking AI model in the leaderboard’s “Models” view. 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 AI lab/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 second 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
$14,784End Date
Sep 30, 2026Market Opened
Jul 24, 2026, 7:45 PM ETResolution Source
https://arena.ai/leaderboard/code/webdev?rankBy=labsResolver
0x69c47De9D...Rapid releases from Moonshot AI’s Kimi K3, which recently topped the Code Arena WebDev leaderboard with strong frontend coding performance, and Alibaba’s Qwen3.8 series have created a tight race for second place behind likely leader Anthropic. Trader consensus reflects this uncertainty, with many labs clustered near even implied odds as ongoing votes on arena.ai shift rankings quickly. Key differentiators include agentic multi-step reasoning for real web apps, context handling, and iteration speed on the platform’s human-voted tasks. With September resolution weeks away, any new model updates, weight releases, or benchmark surges from OpenAI, Google, or ByteDance could swing outcomes before final tallies settle.
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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