Anthropic holds a narrow lead in market-implied odds for second place on the Code Arena WebDev leaderboard by end of November, reflecting its Claude Fable 5.1's strong agentic coding results on benchmarks like Terminal-Bench and SWE-bench. Recent releases from OpenAI's Astra series, Google's Gemini Flash iterations, and Chinese labs such as DeepSeek and Moonshot have narrowed gaps in web-app generation and real-world task handling, creating a contested field where no single lab dominates. Internal adoption trends, including Google's expanded use of Claude alongside Gemini, underscore multi-model dynamics, while upcoming model updates and leaderboard refreshes before November remain key swing factors for trader sentiment.
Ringkasan eksperimental yang dihasilkan AI dengan referensi data Polymarket. Ini bukan saran trading dan tidak berperan dalam bagaimana pasar ini diselesaikan. · DiperbaruiAnthropic 51%
OpenAI 17%
Google 13%
Poolside 12.6%

Anthropic
51%

OpenAI
17%

13%

Poolside
13%

DeepSeek
10%

Meta
8%

Alibaba
9%

SpaceXAI
7%

Tencent
7%

Z.ai
7%

Mistral
7%

MiniMax
6%

ByteDance
5%

Moonshot
3%

Xiaomi
3%

Thinky
3%
Anthropic 51%
OpenAI 17%
Google 13%
Poolside 12.6%

Anthropic
51%

OpenAI
17%

13%

Poolside
13%

DeepSeek
10%

Meta
8%

Alibaba
9%

SpaceXAI
7%

Tencent
7%

Z.ai
7%

Mistral
7%

MiniMax
6%

ByteDance
5%

Moonshot
3%

Xiaomi
3%

Thinky
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".
Pasar Dibuka: Sep 17, 2026, 8:13 PM ET
Resolver
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".
Resolver
0x69c47De9D...Anthropic holds a narrow lead in market-implied odds for second place on the Code Arena WebDev leaderboard by end of November, reflecting its Claude Fable 5.1's strong agentic coding results on benchmarks like Terminal-Bench and SWE-bench. Recent releases from OpenAI's Astra series, Google's Gemini Flash iterations, and Chinese labs such as DeepSeek and Moonshot have narrowed gaps in web-app generation and real-world task handling, creating a contested field where no single lab dominates. Internal adoption trends, including Google's expanded use of Claude alongside Gemini, underscore multi-model dynamics, while upcoming model updates and leaderboard refreshes before November remain key swing factors for trader sentiment.
Ringkasan eksperimental yang dihasilkan AI dengan referensi data Polymarket. Ini bukan saran trading dan tidak berperan dalam bagaimana pasar ini diselesaikan. · Diperbarui
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