Anthropic's Claude Opus 5 series and Fable 5 models currently dominate the Arena.ai WebDev leaderboard for front-end tasks, agentic coding workflows, and multi-step UI generation, driving the 79.5% implied probability traders assign to the company holding the top spot by late September 2026. Recent June and July 2026 releases strengthened Anthropic's edge in human preference votes and Elo scores on specialized web development benchmarks, outpacing competitors despite OpenAI's GPT-5.6 variants leading broader SWE-bench coding metrics. Moonshot's Kimi K3 briefly captured the frontend lead in mid-July before slipping, while lower odds for Meta, Google, and others reflect slower progress in this narrow domain. The September resolution hinges on sustained leaderboard performance through ongoing model updates and benchmark stability.
Eksperymentalne podsumowanie AI odwołujące się do danych Polymarket. To nie jest porada handlowa i nie ma wpływu na rozstrzyganie tego rynku. · ZaktualizowanoWhich company has the best Code Arena WebDev AI model end of September?
Which company has the best Code Arena WebDev AI model end of September?
Anthropic 80%
OpenAI 13%
Moonshot 5.3%
Meta 4.4%
$36,545 Wol.
$36,545 Wol.
Sep 30, 2026
Anthropic
80%
OpenAI
13%
Moonshot
5%
Meta
4%
Z.ai
2%
Alibaba
2%
1%
SpaceXAI
1%
MiniMax
<1%
DeepSeek
<1%
Mistral
<1%
ByteDance
<1%
Xiaomi
<1%
Thinky
<1%
Tencent
<1%
Poolside
<1%
Anthropic 80%
OpenAI 13%
Moonshot 5.3%
Meta 4.4%
$36,545 Wol.
$36,545 Wol.
Sep 30, 2026
Anthropic
$12,903 Wol.
80%
OpenAI
$2,016 Wol.
13%
Moonshot
$12,293 Wol.
5%
Meta
$964 Wol.
4%
Z.ai
$978 Wol.
2%
Alibaba
$754 Wol.
2%
$896 Wol.
1%
SpaceXAI
$778 Wol.
1%
MiniMax
$559 Wol.
<1%
DeepSeek
$799 Wol.
<1%
Mistral
$709 Wol.
<1%
ByteDance
$468 Wol.
<1%
Xiaomi
$657 Wol.
<1%
Thinky
$560 Wol.
<1%
Tencent
$571 Wol.
<1%
Poolside
$641 Wol.
<1%
This market will resolve according to the company that owns the model that has the highest rank based on the arena.ai Code Arena | WebDev Leaderboard when the table under "Code Arena | WebDev" filtered for "Models" is checked on September 30, 2026, 12:00 PM ET.
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".Anthropic's Claude Opus 5 series and Fable 5 models currently dominate the Arena.ai WebDev leaderboard for front-end tasks, agentic coding workflows, and multi-step UI generation, driving the 79.5% implied probability traders assign to the company holding the top spot by late September 2026. Recent June and July 2026 releases strengthened Anthropic's edge in human preference votes and Elo scores on specialized web development benchmarks, outpacing competitors despite OpenAI's GPT-5.6 variants leading broader SWE-bench coding metrics. Moonshot's Kimi K3 briefly captured the frontend lead in mid-July before slipping, while lower odds for Meta, Google, and others reflect slower progress in this narrow domain. The September resolution hinges on sustained leaderboard performance through ongoing model updates and benchmark stability.
This market will resolve according to the company that owns the model that has the highest rank based on the arena.ai Code Arena | WebDev Leaderboard when the table under "Code Arena | WebDev" filtered for "Models" is checked on September 30, 2026, 12:00 PM ET.
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".
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".
Rynek otwarty: Jul 20, 2026, 7:23 PM ET
Wolumen
$36,545Data zakończenia
Sep 30, 2026Rynek otwarty
Jul 20, 2026, 7:23 PM ETŹródło rozstrzygnięcia
https://arena.ai/leaderboard/code/webdevResolver
0x69c47De9D...This market will resolve according to the company that owns the model that has the highest rank based on the arena.ai Code Arena | WebDev Leaderboard when the table under "Code Arena | WebDev" filtered for "Models" is checked on September 30, 2026, 12:00 PM ET.
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".Anthropic's Claude Opus 5 series and Fable 5 models currently dominate the Arena.ai WebDev leaderboard for front-end tasks, agentic coding workflows, and multi-step UI generation, driving the 79.5% implied probability traders assign to the company holding the top spot by late September 2026. Recent June and July 2026 releases strengthened Anthropic's edge in human preference votes and Elo scores on specialized web development benchmarks, outpacing competitors despite OpenAI's GPT-5.6 variants leading broader SWE-bench coding metrics. Moonshot's Kimi K3 briefly captured the frontend lead in mid-July before slipping, while lower odds for Meta, Google, and others reflect slower progress in this narrow domain. The September resolution hinges on sustained leaderboard performance through ongoing model updates and benchmark stability.
This market will resolve according to the company that owns the model that has the highest rank based on the arena.ai Code Arena | WebDev Leaderboard when the table under "Code Arena | WebDev" filtered for "Models" is checked on September 30, 2026, 12:00 PM ET.
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".
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".
Wolumen
$36,545Data zakończenia
Sep 30, 2026Rynek otwarty
Jul 20, 2026, 7:23 PM ETŹródło rozstrzygnięcia
https://arena.ai/leaderboard/code/webdevResolver
0x69c47De9D...Anthropic's Claude Opus 5 series and Fable 5 models currently dominate the Arena.ai WebDev leaderboard for front-end tasks, agentic coding workflows, and multi-step UI generation, driving the 79.5% implied probability traders assign to the company holding the top spot by late September 2026. Recent June and July 2026 releases strengthened Anthropic's edge in human preference votes and Elo scores on specialized web development benchmarks, outpacing competitors despite OpenAI's GPT-5.6 variants leading broader SWE-bench coding metrics. Moonshot's Kimi K3 briefly captured the frontend lead in mid-July before slipping, while lower odds for Meta, Google, and others reflect slower progress in this narrow domain. The September resolution hinges on sustained leaderboard performance through ongoing model updates and benchmark stability.
Eksperymentalne podsumowanie AI odwołujące się do danych Polymarket. To nie jest porada handlowa i nie ma wpływu na rozstrzyganie tego rynku. · Zaktualizowano
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