Moonshot AI's Kimi K3-max has established a durable second-place position on the arena.ai Code Arena WebDev leaderboard, trailing only Anthropic's Claude Opus 5-max by roughly 17 Elo points as of the latest August 21 snapshot. Its July 2026 launch with a 2.8-trillion-parameter MoE architecture, 1M-token context, and strong results across agentic frontend and full-stack tasks—including multi-step reasoning, tool use, and live web-app generation—quickly elevated it ahead of OpenAI, Google, and other labs. Chinese labs' rapid iteration on open-weight models has narrowed prior gaps, but leaderboard volatility from ongoing updates and human-vote fluctuations keeps secondary contenders like Alibaba's Qwen variants or Z.ai's GLM series well behind in trader pricing. With resolution imminent on August 31, any late model drops or surges could still shift implied probabilities.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedMoonshot 82.0%
Anthropic 5.0%
DeepSeek 3.3%
Alibaba 2.5%
$94,887 Vol.
$94,887 Vol.
Aug 31, 2026
Moonshot
82%
Anthropic
5%
DeepSeek
3%
Alibaba
9%
1%
OpenAI
1%
Z.ai
1%
SpaceXAI
1%
Meta
<1%
Xiaomi
<1%
Tencent
<1%
Poolside
<1%
Mistral
<1%
ByteDance
<1%
MiniMax
<1%
Thinky
<1%
Moonshot 82.0%
Anthropic 5.0%
DeepSeek 3.3%
Alibaba 2.5%
$94,887 Vol.
$94,887 Vol.
Aug 31, 2026
Moonshot
$29,952 Vol.
82%
Anthropic
$24,191 Vol.
5%
DeepSeek
$2,651 Vol.
3%
Alibaba
$5,928 Vol.
9%
$2,459 Vol.
1%
OpenAI
$9,441 Vol.
1%
Z.ai
$6,044 Vol.
1%
SpaceXAI
$4,742 Vol.
1%
Meta
$2,374 Vol.
<1%
Xiaomi
$2,019 Vol.
<1%
Tencent
$1,123 Vol.
<1%
Poolside
$574 Vol.
<1%
Mistral
$772 Vol.
<1%
ByteDance
$665 Vol.
<1%
MiniMax
$1,295 Vol.
<1%
Thinky
$659 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 August 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.
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".Moonshot AI's Kimi K3-max has established a durable second-place position on the arena.ai Code Arena WebDev leaderboard, trailing only Anthropic's Claude Opus 5-max by roughly 17 Elo points as of the latest August 21 snapshot. Its July 2026 launch with a 2.8-trillion-parameter MoE architecture, 1M-token context, and strong results across agentic frontend and full-stack tasks—including multi-step reasoning, tool use, and live web-app generation—quickly elevated it ahead of OpenAI, Google, and other labs. Chinese labs' rapid iteration on open-weight models has narrowed prior gaps, but leaderboard volatility from ongoing updates and human-vote fluctuations keeps secondary contenders like Alibaba's Qwen variants or Z.ai's GLM series well behind in trader pricing. With resolution imminent on August 31, any late model drops or surges could still shift implied probabilities.
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 August 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.
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 20, 2026, 8:25 PM ET
Volume
$94,887End Date
Aug 31, 2026Market Opened
Jul 20, 2026, 8:25 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 August 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.
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".Moonshot AI's Kimi K3-max has established a durable second-place position on the arena.ai Code Arena WebDev leaderboard, trailing only Anthropic's Claude Opus 5-max by roughly 17 Elo points as of the latest August 21 snapshot. Its July 2026 launch with a 2.8-trillion-parameter MoE architecture, 1M-token context, and strong results across agentic frontend and full-stack tasks—including multi-step reasoning, tool use, and live web-app generation—quickly elevated it ahead of OpenAI, Google, and other labs. Chinese labs' rapid iteration on open-weight models has narrowed prior gaps, but leaderboard volatility from ongoing updates and human-vote fluctuations keeps secondary contenders like Alibaba's Qwen variants or Z.ai's GLM series well behind in trader pricing. With resolution imminent on August 31, any late model drops or surges could still shift implied probabilities.
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 August 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.
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
$94,887End Date
Aug 31, 2026Market Opened
Jul 20, 2026, 8:25 PM ETResolution Source
https://arena.ai/leaderboard/code/webdev?rankBy=labsResolver
0x69c47De9D...Moonshot AI's Kimi K3-max has established a durable second-place position on the arena.ai Code Arena WebDev leaderboard, trailing only Anthropic's Claude Opus 5-max by roughly 17 Elo points as of the latest August 21 snapshot. Its July 2026 launch with a 2.8-trillion-parameter MoE architecture, 1M-token context, and strong results across agentic frontend and full-stack tasks—including multi-step reasoning, tool use, and live web-app generation—quickly elevated it ahead of OpenAI, Google, and other labs. Chinese labs' rapid iteration on open-weight models has narrowed prior gaps, but leaderboard volatility from ongoing updates and human-vote fluctuations keeps secondary contenders like Alibaba's Qwen variants or Z.ai's GLM series well behind in trader pricing. With resolution imminent on August 31, any late model drops or surges could still shift implied probabilities.
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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