Trader consensus positions Anthropic as the clear frontrunner for second-best in the code and web development AI arena by end of September, with a 67.8% implied probability driven by its Claude models' repeated strong results on coding benchmarks and developer tooling tasks. OpenAI sits far behind at 14.1%, while Moonshot, Alibaba, and others register minimal odds amid a crowded field of large language model releases. Recent capability demonstrations and platform integrations have reinforced Anthropic's edge in practical web dev workflows, though product timelines remain fluid and new benchmark data or competitor updates could still alter outcomes before month-end.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedAnthropic 65.8%
OpenAI 15.0%
Moonshot 6%
Alibaba 5%
$57,017 Vol.
$57,017 Vol.

Anthropic
66%

OpenAI
15%

Moonshot
6%

Alibaba
5%

SpaceXAI
3%

Tencent
1%

ByteDance
1%

Z.ai
<1%

Meta
<1%

<1%

MiniMax
<1%

Xiaomi
<1%

DeepSeek
<1%

Thinky
<1%

Poolside
<1%

Mistral
<1%
Anthropic 65.8%
OpenAI 15.0%
Moonshot 6%
Alibaba 5%
$57,017 Vol.
$57,017 Vol.

Anthropic
66%

OpenAI
15%

Moonshot
6%

Alibaba
5%

SpaceXAI
3%

Tencent
1%

ByteDance
1%

Z.ai
<1%

Meta
<1%

<1%

MiniMax
<1%

Xiaomi
<1%

DeepSeek
<1%

Thinky
<1%

Poolside
<1%

Mistral
<1%
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.
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".
Market Opened: Jul 24, 2026, 7:45 PM ET
Resolution Source
https://arena.ai/leaderboard/code/webdev?rankBy=labsResolver
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.
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".
Resolution Source
https://arena.ai/leaderboard/code/webdev?rankBy=labsResolver
0x69c47De9D...Trader consensus positions Anthropic as the clear frontrunner for second-best in the code and web development AI arena by end of September, with a 67.8% implied probability driven by its Claude models' repeated strong results on coding benchmarks and developer tooling tasks. OpenAI sits far behind at 14.1%, while Moonshot, Alibaba, and others register minimal odds amid a crowded field of large language model releases. Recent capability demonstrations and platform integrations have reinforced Anthropic's edge in practical web dev workflows, though product timelines remain fluid and new benchmark data or competitor updates could still alter outcomes before month-end.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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