Anthropic holds a commanding 74.6% market-implied probability as the second-best Code Arena WebDev AI lab by end of September, reflecting its Claude models' repeated leadership across recent coding and frontend benchmarks. Claude Fable 5.1 and Opus 5 variants have posted top scores on SWE-bench Pro, Verified, and related WebDev Arena leaderboards as of mid-September 2026, excelling in agentic workflows, UI generation, and fullstack tasks that align closely with the platform's evaluation criteria. OpenAI's GPT-6 Astra launch earlier in the month and GPT-5.5 frontend results have narrowed gaps in some categories but not displaced Anthropic's edge in iterative web development evals. With resolution days away, traders are weighting these verified capability demonstrations and the absence of major counter-releases from other labs.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten. Dies ist keine Handelsberatung und spielt keine Rolle bei der Auflösung dieses Marktes. · AktualisiertAnthropic 74.6%
OpenAI 22.1%
Alibaba 3.6%
Moonshot 2.4%
$79,518 Vol.
$79,518 Vol.
30. Sep. 2026
Anthropic
75%
OpenAI
22%
Alibaba
4%
Moonshot
2%
SpaceXAI
1%
Z.ai
<1%
Tencent
<1%
Meta
<1%
ByteDance
<1%
MiniMax
<1%
<1%
Xiaomi
<1%
DeepSeek
<1%
Thinky
<1%
Poolside
<1%
Mistral
<1%
Anthropic 74.6%
OpenAI 22.1%
Alibaba 3.6%
Moonshot 2.4%
$79,518 Vol.
$79,518 Vol.
30. Sep. 2026
Anthropic
$18,202 Vol.
75%
OpenAI
$12,124 Vol.
22%
Alibaba
$17,592 Vol.
4%
Moonshot
$12,516 Vol.
2%
SpaceXAI
$2,591 Vol.
1%
Z.ai
$2,107 Vol.
<1%
Tencent
$1,987 Vol.
<1%
Meta
$1,709 Vol.
<1%
ByteDance
$3,054 Vol.
<1%
MiniMax
$598 Vol.
<1%
$1,766 Vol.
<1%
Xiaomi
$1,468 Vol.
<1%
DeepSeek
$1,022 Vol.
<1%
Thinky
$617 Vol.
<1%
Poolside
$1,035 Vol.
<1%
Mistral
$1,130 Vol.
<1%
This market will resolve according to the second-highest ranked Company based on the arena.ai Code Arena | WebDev Leaderboard when the table under "Code Arena | WebDev" filtered for "Labs" is checked on September 30, 2026, 12:00 PM ET.
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".Anthropic holds a commanding 74.6% market-implied probability as the second-best Code Arena WebDev AI lab by end of September, reflecting its Claude models' repeated leadership across recent coding and frontend benchmarks. Claude Fable 5.1 and Opus 5 variants have posted top scores on SWE-bench Pro, Verified, and related WebDev Arena leaderboards as of mid-September 2026, excelling in agentic workflows, UI generation, and fullstack tasks that align closely with the platform's evaluation criteria. OpenAI's GPT-6 Astra launch earlier in the month and GPT-5.5 frontend results have narrowed gaps in some categories but not displaced Anthropic's edge in iterative web development evals. With resolution days away, traders are weighting these verified capability demonstrations and the absence of major counter-releases from other labs.
This market will resolve according to the second-highest ranked Company based on the arena.ai Code Arena | WebDev Leaderboard when the table under "Code Arena | WebDev" filtered for "Labs" is checked on September 30, 2026, 12:00 PM ET.
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".
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".
Markt eröffnet: Jul 24, 2026, 7:45 PM ET
Volumen
$79,518Enddatum
1. Okt. 2026Markt eröffnet
Jul 24, 2026, 7:45 PM ETAbwicklungsquelle
https://arena.ai/leaderboard/code/webdev?rankBy=labsAbwickler
0x69c47De9D...This market will resolve according to the second-highest ranked Company based on the arena.ai Code Arena | WebDev Leaderboard when the table under "Code Arena | WebDev" filtered for "Labs" is checked on September 30, 2026, 12:00 PM ET.
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".Anthropic holds a commanding 74.6% market-implied probability as the second-best Code Arena WebDev AI lab by end of September, reflecting its Claude models' repeated leadership across recent coding and frontend benchmarks. Claude Fable 5.1 and Opus 5 variants have posted top scores on SWE-bench Pro, Verified, and related WebDev Arena leaderboards as of mid-September 2026, excelling in agentic workflows, UI generation, and fullstack tasks that align closely with the platform's evaluation criteria. OpenAI's GPT-6 Astra launch earlier in the month and GPT-5.5 frontend results have narrowed gaps in some categories but not displaced Anthropic's edge in iterative web development evals. With resolution days away, traders are weighting these verified capability demonstrations and the absence of major counter-releases from other labs.
This market will resolve according to the second-highest ranked Company based on the arena.ai Code Arena | WebDev Leaderboard when the table under "Code Arena | WebDev" filtered for "Labs" is checked on September 30, 2026, 12:00 PM ET.
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".
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".
Volumen
$79,518Enddatum
1. Okt. 2026Markt eröffnet
Jul 24, 2026, 7:45 PM ETAbwicklungsquelle
https://arena.ai/leaderboard/code/webdev?rankBy=labsAbwickler
0x69c47De9D...Anthropic holds a commanding 74.6% market-implied probability as the second-best Code Arena WebDev AI lab by end of September, reflecting its Claude models' repeated leadership across recent coding and frontend benchmarks. Claude Fable 5.1 and Opus 5 variants have posted top scores on SWE-bench Pro, Verified, and related WebDev Arena leaderboards as of mid-September 2026, excelling in agentic workflows, UI generation, and fullstack tasks that align closely with the platform's evaluation criteria. OpenAI's GPT-6 Astra launch earlier in the month and GPT-5.5 frontend results have narrowed gaps in some categories but not displaced Anthropic's edge in iterative web development evals. With resolution days away, traders are weighting these verified capability demonstrations and the absence of major counter-releases from other labs.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten. Dies ist keine Handelsberatung und spielt keine Rolle bei der Auflösung dieses Marktes. · Aktualisiert
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