Recent OpenAI GPT-6 Astra releases in early September 2026 secured the top Code Arena WebDev spot, creating a tight race for second place through November as Anthropic’s Claude Fable 5.1 and Opus 5 trail by narrow margins on the community-voted leaderboard. Trader sentiment reflects this proximity, with multiple labs clustered due to rapid iteration in agentic coding, full-stack features like database integration and deployments, and category-specific strengths in simulations or dashboards. Chinese models from Alibaba, Moonshot, and Z.ai offer competitive cost-performance, while xAI, Meta, and others lag in current rankings but could close gaps via updates. Volatility in crowdsourced Elo scores and ongoing fullstack expansions keep outcomes uncertain ahead of the resolution window.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · AggiornatoSecondo miglior Code Arena WebDev AI Lab a fine novembre?
Anthropic 36%
Google 24%
OpenAI 23%
Meta 22%

Anthropic
36%

24%

OpenAI
23%

Meta
22%

SpaceXAI
15%

Z.ai
14%

MiniMax
14%

Thinky
14%

Poolside
14%

Alibaba
26%

Xiaomi
8%

Moonshot
7%

Mistral
13%

ByteDance
3%

DeepSeek
3%

Tencent
3%
Anthropic 36%
Google 24%
OpenAI 23%
Meta 22%

Anthropic
36%

24%

OpenAI
23%

Meta
22%

SpaceXAI
15%

Z.ai
14%

MiniMax
14%

Thinky
14%

Poolside
14%

Alibaba
26%

Xiaomi
8%

Moonshot
7%

Mistral
13%

ByteDance
3%

DeepSeek
3%

Tencent
3%
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".
Mercato aperto: Sep 17, 2026, 8:13 PM ET
Risolutore
0x69c47De9D...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".
Risolutore
0x69c47De9D...Recent OpenAI GPT-6 Astra releases in early September 2026 secured the top Code Arena WebDev spot, creating a tight race for second place through November as Anthropic’s Claude Fable 5.1 and Opus 5 trail by narrow margins on the community-voted leaderboard. Trader sentiment reflects this proximity, with multiple labs clustered due to rapid iteration in agentic coding, full-stack features like database integration and deployments, and category-specific strengths in simulations or dashboards. Chinese models from Alibaba, Moonshot, and Z.ai offer competitive cost-performance, while xAI, Meta, and others lag in current rankings but could close gaps via updates. Volatility in crowdsourced Elo scores and ongoing fullstack expansions keep outcomes uncertain ahead of the resolution window.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato
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