Anthropic’s commanding 88% market-implied probability stems from its Claude Fable 5 and Opus 5 models topping the Code Arena WebDev leaderboard as of early August 2026, posting the highest Elo scores on agentic front-end tasks that demand multi-step reasoning, UI generation, and tool use. The July 24 release of Opus 5 extended this edge with improved long-horizon coding consistency and lower variance on practical web-app benchmarks, outpacing rivals after Moonshot’s Kimi briefly led in July. OpenAI’s GPT-5.6 series leads some general coding indexes yet trails on the specialized WebDev arena, while Google, Alibaba, and open-weight entrants lag further behind; traders are pricing in Anthropic’s sustained updates through the August 31 resolution window.
Resumen experimental generado por IA con datos de Polymarket. Esto no es asesoramiento de trading y no influye en cómo se resuelve este mercado. · ActualizadoAnthropic 88%
OpenAI 5.9%
Moonshot 3.4%
Google 3.0%
$40,768 Vol.
$40,768 Vol.

Anthropic
88%

OpenAI
6%

Moonshot
3%

3%

Alibaba
2%

Z.ai
1%

SpaceXAI
1%

DeepSeek
<1%

Meta
<1%

ByteDance
<1%

MiniMax
<1%

Xiaomi
<1%

Thinky
<1%

Tencent
<1%

Poolside
<1%

Mistral
<1%
Anthropic 88%
OpenAI 5.9%
Moonshot 3.4%
Google 3.0%
$40,768 Vol.
$40,768 Vol.

Anthropic
88%

OpenAI
6%

Moonshot
3%

3%

Alibaba
2%

Z.ai
1%

SpaceXAI
1%

DeepSeek
<1%

Meta
<1%

ByteDance
<1%

MiniMax
<1%

Xiaomi
<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".
Mercado abierto: Jul 16, 2026, 10:56 PM ET
Fuente de resolución
https://arena.ai/leaderboard/code/webdevResolver
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".
Fuente de resolución
https://arena.ai/leaderboard/code/webdevResolver
0x69c47De9D...Anthropic’s commanding 88% market-implied probability stems from its Claude Fable 5 and Opus 5 models topping the Code Arena WebDev leaderboard as of early August 2026, posting the highest Elo scores on agentic front-end tasks that demand multi-step reasoning, UI generation, and tool use. The July 24 release of Opus 5 extended this edge with improved long-horizon coding consistency and lower variance on practical web-app benchmarks, outpacing rivals after Moonshot’s Kimi briefly led in July. OpenAI’s GPT-5.6 series leads some general coding indexes yet trails on the specialized WebDev arena, while Google, Alibaba, and open-weight entrants lag further behind; traders are pricing in Anthropic’s sustained updates through the August 31 resolution window.
Resumen experimental generado por IA con datos de Polymarket. Esto no es asesoramiento de trading y no influye en cómo se resuelve este mercado. · Actualizado
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Cuidado con los enlaces externos.
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