Recent releases have intensified competition on the Code Arena WebDev leaderboard, where crowdsourced Elo ratings evaluate agentic frontend coding workflows involving multi-step reasoning and tool use. OpenAI’s GPT-6 Astra launch on September 3 vaulted it to the top with 1,797 points, displacing Anthropic’s Claude Fable 5.1-max (1,762) and opening a fluid battle for third among Alibaba’s Qwen3.8 variants, Moonshot’s Kimi K3 series, SpaceXAI’s Grok models, and others clustered within tight confidence intervals around 1,600–1,680. Chinese labs’ strong price-to-performance ratios and rapid iteration sustain pressure, while Anthropic maintains depth across multiple high-scoring entries. With roughly eight weeks until resolution, additional model updates or benchmark shifts could reorder the middle tier before end-of-October snapshots.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedAlibaba 38%
Moonshot 25%
SpaceXAI 14.6%
OpenAI 8.0%
$35,200 Vol.
$35,200 Vol.
Oct 31, 2026
Alibaba
38%
Moonshot
34%
SpaceXAI
15%
OpenAI
8%
Anthropic
6%
Meta
5%
Mistral
4%
Thinky
2%
Z.ai
2%
DeepSeek
1%
1%
ByteDance
1%
Tencent
1%
MiniMax
<1%
Xiaomi
<1%
Poolside
<1%
Alibaba 38%
Moonshot 25%
SpaceXAI 14.6%
OpenAI 8.0%
$35,200 Vol.
$35,200 Vol.
Oct 31, 2026
Alibaba
$17,118 Vol.
38%
Moonshot
$10,437 Vol.
34%
SpaceXAI
$510 Vol.
15%
OpenAI
$845 Vol.
8%
Anthropic
$585 Vol.
6%
Meta
$477 Vol.
5%
Mistral
$562 Vol.
4%
Thinky
$567 Vol.
2%
Z.ai
$637 Vol.
2%
DeepSeek
$561 Vol.
1%
$463 Vol.
1%
ByteDance
$594 Vol.
1%
Tencent
$520 Vol.
1%
MiniMax
$540 Vol.
<1%
Xiaomi
$302 Vol.
<1%
Poolside
$482 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 have intensified competition on the Code Arena WebDev leaderboard, where crowdsourced Elo ratings evaluate agentic frontend coding workflows involving multi-step reasoning and tool use. OpenAI’s GPT-6 Astra launch on September 3 vaulted it to the top with 1,797 points, displacing Anthropic’s Claude Fable 5.1-max (1,762) and opening a fluid battle for third among Alibaba’s Qwen3.8 variants, Moonshot’s Kimi K3 series, SpaceXAI’s Grok models, and others clustered within tight confidence intervals around 1,600–1,680. Chinese labs’ strong price-to-performance ratios and rapid iteration sustain pressure, while Anthropic maintains depth across multiple high-scoring entries. With roughly eight weeks until resolution, additional model updates or benchmark shifts could reorder the middle tier before end-of-October snapshots.
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
$35,200End Date
Nov 1, 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 have intensified competition on the Code Arena WebDev leaderboard, where crowdsourced Elo ratings evaluate agentic frontend coding workflows involving multi-step reasoning and tool use. OpenAI’s GPT-6 Astra launch on September 3 vaulted it to the top with 1,797 points, displacing Anthropic’s Claude Fable 5.1-max (1,762) and opening a fluid battle for third among Alibaba’s Qwen3.8 variants, Moonshot’s Kimi K3 series, SpaceXAI’s Grok models, and others clustered within tight confidence intervals around 1,600–1,680. Chinese labs’ strong price-to-performance ratios and rapid iteration sustain pressure, while Anthropic maintains depth across multiple high-scoring entries. With roughly eight weeks until resolution, additional model updates or benchmark shifts could reorder the middle tier before end-of-October snapshots.
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
$35,200End Date
Nov 1, 2026Market Opened
Aug 12, 2026, 8:01 PM ETResolver
0x69c47De9D...Recent releases have intensified competition on the Code Arena WebDev leaderboard, where crowdsourced Elo ratings evaluate agentic frontend coding workflows involving multi-step reasoning and tool use. OpenAI’s GPT-6 Astra launch on September 3 vaulted it to the top with 1,797 points, displacing Anthropic’s Claude Fable 5.1-max (1,762) and opening a fluid battle for third among Alibaba’s Qwen3.8 variants, Moonshot’s Kimi K3 series, SpaceXAI’s Grok models, and others clustered within tight confidence intervals around 1,600–1,680. Chinese labs’ strong price-to-performance ratios and rapid iteration sustain pressure, while Anthropic maintains depth across multiple high-scoring entries. With roughly eight weeks until resolution, additional model updates or benchmark shifts could reorder the middle tier before end-of-October snapshots.
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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