OpenAI’s recent launch of GPT-6 Astra has positioned the company as the clear leader on the Code Arena WebDev leaderboard, driving the 78.5% market-implied odds. The model achieved a top score of 1,797 points shortly after its September 3 release, edging out Anthropic’s Claude Fable 5.1 by 35 points in the crowdsourced Elo-style ranking that evaluates agentic frontend coding tasks through community votes. This performance edge, following earlier gains by Claude models, has consolidated trader consensus around OpenAI’s capabilities in web development workflows. With the resolution date approaching in under two weeks and no comparable updates from other labs, the market reflects strong skin-in-the-game confidence that OpenAI will maintain the lead through month-end.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jourOpenAI 78.0%
Anthropic 22%
Google <1%
Moonshot <1%
$148,875 Vol.
$148,875 Vol.

OpenAI
78%

Anthropic
22%

<1%

Moonshot
<1%

Z.ai
<1%

SpaceXAI
<1%

Meta
<1%

ByteDance
<1%

Alibaba
<1%

MiniMax
<1%

Xiaomi
<1%

DeepSeek
<1%

Thinky
<1%

Tencent
<1%

Poolside
<1%

Mistral
<1%
OpenAI 78.0%
Anthropic 22%
Google <1%
Moonshot <1%
$148,875 Vol.
$148,875 Vol.

OpenAI
78%

Anthropic
22%

<1%

Moonshot
<1%

Z.ai
<1%

SpaceXAI
<1%

Meta
<1%

ByteDance
<1%

Alibaba
<1%

MiniMax
<1%

Xiaomi
<1%

DeepSeek
<1%

Thinky
<1%

Tencent
<1%

Poolside
<1%

Mistral
<1%
Results from the "Rank" column under the "Code Arena | WebDev" Leaderboard tab at https://arena.ai/leaderboard/code/webdev (Overall) filtered for "Models" will be used to resolve this market.
Models will be ordered primarily by their leaderboard rank at the market’s check time. 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 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 first 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".
Marché ouvert : Jul 20, 2026, 7:23 PM ET
Source de résolution
https://arena.ai/leaderboard/code/webdevRésolveur
0x69c47De9D...Results from the "Rank" column under the "Code Arena | WebDev" Leaderboard tab at https://arena.ai/leaderboard/code/webdev (Overall) filtered for "Models" will be used to resolve this market.
Models will be ordered primarily by their leaderboard rank at the market’s check time. 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 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 first 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".
Source de résolution
https://arena.ai/leaderboard/code/webdevRésolveur
0x69c47De9D...OpenAI’s recent launch of GPT-6 Astra has positioned the company as the clear leader on the Code Arena WebDev leaderboard, driving the 78.5% market-implied odds. The model achieved a top score of 1,797 points shortly after its September 3 release, edging out Anthropic’s Claude Fable 5.1 by 35 points in the crowdsourced Elo-style ranking that evaluates agentic frontend coding tasks through community votes. This performance edge, following earlier gains by Claude models, has consolidated trader consensus around OpenAI’s capabilities in web development workflows. With the resolution date approaching in under two weeks and no comparable updates from other labs, the market reflects strong skin-in-the-game confidence that OpenAI will maintain the lead through month-end.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jour
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