Recent releases of high-performing models like Alibaba’s Qwen3.8-Max, Moonshot’s Kimi K3-max, and Z.ai’s GLM-5.3 have driven strong showings on the Code Arena WebDev leaderboard, where agentic frontend coding tasks determine rankings via community votes and AutoEval scores. As of late August 2026, Anthropic’s Claude Opus 5-max leads at ~1691, followed closely by Moonshot (~1674) and Alibaba (~1669), with the narrow margins and rapid Chinese lab progress creating uncertainty around the third position by October. Traders price Alibaba and Moonshot highest due to their recent capability jumps in multi-step web development workflows and favorable cost-performance tradeoffs, while Western labs like OpenAI and Google trail amid fewer immediate updates. Further model iterations, additional votes, and any new frontier releases before the end of October remain key swing factors in this tight contest.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedAlibaba 44%
Moonshot 26%
OpenAI 5.0%
Mistral 4.0%
$17,080 Vol.
$17,080 Vol.
Oct 31, 2026
Alibaba
44%
Moonshot
26%
OpenAI
5%
Mistral
4%
SpaceXAI
2%
Z.ai
2%
Anthropic
1%
1%
Meta
1%
DeepSeek
1%
ByteDance
1%
Thinky
<1%
MiniMax
<1%
Xiaomi
<1%
Poolside
<1%
Tencent
<1%
Alibaba 44%
Moonshot 26%
OpenAI 5.0%
Mistral 4.0%
$17,080 Vol.
$17,080 Vol.
Oct 31, 2026
Alibaba
$7,860 Vol.
44%
Moonshot
$1,908 Vol.
26%
OpenAI
$845 Vol.
5%
Mistral
$557 Vol.
4%
SpaceXAI
$467 Vol.
2%
Z.ai
$637 Vol.
2%
Anthropic
$433 Vol.
1%
$463 Vol.
1%
Meta
$477 Vol.
1%
DeepSeek
$556 Vol.
1%
ByteDance
$574 Vol.
1%
Thinky
$562 Vol.
<1%
MiniMax
$520 Vol.
<1%
Xiaomi
$302 Vol.
<1%
Poolside
$482 Vol.
<1%
Tencent
$437 Vol.
<1%
This market will resolve according to the third-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 October 31, 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.
Note: Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score.
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 third 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".Recent releases of high-performing models like Alibaba’s Qwen3.8-Max, Moonshot’s Kimi K3-max, and Z.ai’s GLM-5.3 have driven strong showings on the Code Arena WebDev leaderboard, where agentic frontend coding tasks determine rankings via community votes and AutoEval scores. As of late August 2026, Anthropic’s Claude Opus 5-max leads at ~1691, followed closely by Moonshot (~1674) and Alibaba (~1669), with the narrow margins and rapid Chinese lab progress creating uncertainty around the third position by October. Traders price Alibaba and Moonshot highest due to their recent capability jumps in multi-step web development workflows and favorable cost-performance tradeoffs, while Western labs like OpenAI and Google trail amid fewer immediate updates. Further model iterations, additional votes, and any new frontier releases before the end of October remain key swing factors in this tight contest.
This market will resolve according to the third-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 October 31, 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.
Note: Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score.
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 third 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.
Note: Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score.
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 third 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, 8:01 PM ET
Volume
$17,080End Date
Oct 31, 2026Market Opened
Aug 12, 2026, 8:01 PM ETResolver
0x69c47De9D...This market will resolve according to the third-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 October 31, 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.
Note: Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score.
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 third 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".Recent releases of high-performing models like Alibaba’s Qwen3.8-Max, Moonshot’s Kimi K3-max, and Z.ai’s GLM-5.3 have driven strong showings on the Code Arena WebDev leaderboard, where agentic frontend coding tasks determine rankings via community votes and AutoEval scores. As of late August 2026, Anthropic’s Claude Opus 5-max leads at ~1691, followed closely by Moonshot (~1674) and Alibaba (~1669), with the narrow margins and rapid Chinese lab progress creating uncertainty around the third position by October. Traders price Alibaba and Moonshot highest due to their recent capability jumps in multi-step web development workflows and favorable cost-performance tradeoffs, while Western labs like OpenAI and Google trail amid fewer immediate updates. Further model iterations, additional votes, and any new frontier releases before the end of October remain key swing factors in this tight contest.
This market will resolve according to the third-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 October 31, 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.
Note: Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score.
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 third 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.
Note: Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score.
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 third 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
$17,080End Date
Oct 31, 2026Market Opened
Aug 12, 2026, 8:01 PM ETResolver
0x69c47De9D...Recent releases of high-performing models like Alibaba’s Qwen3.8-Max, Moonshot’s Kimi K3-max, and Z.ai’s GLM-5.3 have driven strong showings on the Code Arena WebDev leaderboard, where agentic frontend coding tasks determine rankings via community votes and AutoEval scores. As of late August 2026, Anthropic’s Claude Opus 5-max leads at ~1691, followed closely by Moonshot (~1674) and Alibaba (~1669), with the narrow margins and rapid Chinese lab progress creating uncertainty around the third position by October. Traders price Alibaba and Moonshot highest due to their recent capability jumps in multi-step web development workflows and favorable cost-performance tradeoffs, while Western labs like OpenAI and Google trail amid fewer immediate updates. Further model iterations, additional votes, and any new frontier releases before the end of October remain key swing factors in this tight contest.
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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