OpenAI’s early-September launch of GPT-6 Astra, which quickly claimed the top Code Arena WebDev leaderboard spot with roughly 1,800 points, has anchored trader focus on second place. Anthropic’s Claude Fable 5.1 Max sits a narrow 35–40 points behind at around 1,760, giving it the strongest current claim to second among labs, while Alibaba’s Qwen variants, Moonshot’s Kimi K3, and Meta’s Muse Spark trail further back. The closely matched 50–52% implied probabilities reflect uncertainty over whether Anthropic can maintain its edge through October or if rapid follow-on releases, iterative improvements, or stronger showings from Chinese labs will reorder the top tier before the end-of-month snapshot.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updateSecond-best Code Arena WebDev AI Lab end of October?
Second-best Code Arena WebDev AI Lab end of October?
Anthropic 52.8%
OpenAI 41%
Google 2.8%
Alibaba 2.8%
$25,212 Vol.
$25,212 Vol.
Oct 31, 2026
Anthropic
53%
OpenAI
41%
3%
Alibaba
3%
Moonshot
2%
SpaceXAI
1%
DeepSeek
1%
Z.ai
1%
Meta
1%
Poolside
1%
ByteDance
<1%
Tencent
<1%
MiniMax
<1%
Thinky
<1%
Xiaomi
<1%
Mistral
<1%
Anthropic 52.8%
OpenAI 41%
Google 2.8%
Alibaba 2.8%
$25,212 Vol.
$25,212 Vol.
Oct 31, 2026
Anthropic
$4,784 Vol.
53%
OpenAI
$4,359 Vol.
41%
$844 Vol.
3%
Alibaba
$1,923 Vol.
3%
Moonshot
$5,087 Vol.
2%
SpaceXAI
$702 Vol.
1%
DeepSeek
$762 Vol.
1%
Z.ai
$726 Vol.
1%
Meta
$868 Vol.
1%
Poolside
$1,108 Vol.
1%
ByteDance
$742 Vol.
<1%
Tencent
$727 Vol.
<1%
MiniMax
$635 Vol.
<1%
Thinky
$733 Vol.
<1%
Xiaomi
$414 Vol.
<1%
Mistral
$799 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 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 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".OpenAI’s early-September launch of GPT-6 Astra, which quickly claimed the top Code Arena WebDev leaderboard spot with roughly 1,800 points, has anchored trader focus on second place. Anthropic’s Claude Fable 5.1 Max sits a narrow 35–40 points behind at around 1,760, giving it the strongest current claim to second among labs, while Alibaba’s Qwen variants, Moonshot’s Kimi K3, and Meta’s Muse Spark trail further back. The closely matched 50–52% implied probabilities reflect uncertainty over whether Anthropic can maintain its edge through October or if rapid follow-on releases, iterative improvements, or stronger showings from Chinese labs will reorder the top tier before the end-of-month snapshot.
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 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 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.
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 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".
Binuksan ang Market: Aug 12, 2026, 7:56 PM ET
Volume
$25,212Petsa ng Pagtatapos
Nov 1, 2026Binuksan ang Market
Aug 12, 2026, 7:56 PM ETResolver
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 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 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".OpenAI’s early-September launch of GPT-6 Astra, which quickly claimed the top Code Arena WebDev leaderboard spot with roughly 1,800 points, has anchored trader focus on second place. Anthropic’s Claude Fable 5.1 Max sits a narrow 35–40 points behind at around 1,760, giving it the strongest current claim to second among labs, while Alibaba’s Qwen variants, Moonshot’s Kimi K3, and Meta’s Muse Spark trail further back. The closely matched 50–52% implied probabilities reflect uncertainty over whether Anthropic can maintain its edge through October or if rapid follow-on releases, iterative improvements, or stronger showings from Chinese labs will reorder the top tier before the end-of-month snapshot.
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 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 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.
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 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
$25,212Petsa ng Pagtatapos
Nov 1, 2026Binuksan ang Market
Aug 12, 2026, 7:56 PM ETResolver
0x69c47De9D...OpenAI’s early-September launch of GPT-6 Astra, which quickly claimed the top Code Arena WebDev leaderboard spot with roughly 1,800 points, has anchored trader focus on second place. Anthropic’s Claude Fable 5.1 Max sits a narrow 35–40 points behind at around 1,760, giving it the strongest current claim to second among labs, while Alibaba’s Qwen variants, Moonshot’s Kimi K3, and Meta’s Muse Spark trail further back. The closely matched 50–52% implied probabilities reflect uncertainty over whether Anthropic can maintain its edge through October or if rapid follow-on releases, iterative improvements, or stronger showings from Chinese labs will reorder the top tier before the end-of-month snapshot.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update
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