Anthropic’s recent Claude Fable 5.1 release on September 1 has driven its 70% market-implied odds as second-best Code Arena WebDev AI lab by month-end, placing its models at 1758 Elo just behind OpenAI’s GPT-6 Astra in live WebDev Arena leaderboards. The update delivered gains in multi-file reasoning, agentic workflows, and cache efficiency that directly boost performance on full-stack web tasks such as database integration and real-time deployments. OpenAI’s follow-on Astra launch maintains a narrow lead but leaves limited room for other labs to overtake Anthropic before resolution. Traders weigh Anthropic’s consistent coding-benchmark strength and developer-tool adoption against the short window remaining, where any surprise model drop or scoring shift could alter the ranking.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jourAnthropic 70.3%
OpenAI 22.0%
Alibaba 2.6%
Moonshot <1%
$76,800 Vol.
$76,800 Vol.
30 sept. 2026
Anthropic
70%
OpenAI
22%
Alibaba
3%
Moonshot
1%
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 70.3%
OpenAI 22.0%
Alibaba 2.6%
Moonshot <1%
$76,800 Vol.
$76,800 Vol.
30 sept. 2026
Anthropic
$17,086 Vol.
70%
OpenAI
$10,799 Vol.
22%
Alibaba
$17,542 Vol.
3%
Moonshot
$12,379 Vol.
1%
SpaceXAI
$2,532 Vol.
1%
Z.ai
$2,092 Vol.
<1%
Tencent
$1,972 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’s recent Claude Fable 5.1 release on September 1 has driven its 70% market-implied odds as second-best Code Arena WebDev AI lab by month-end, placing its models at 1758 Elo just behind OpenAI’s GPT-6 Astra in live WebDev Arena leaderboards. The update delivered gains in multi-file reasoning, agentic workflows, and cache efficiency that directly boost performance on full-stack web tasks such as database integration and real-time deployments. OpenAI’s follow-on Astra launch maintains a narrow lead but leaves limited room for other labs to overtake Anthropic before resolution. Traders weigh Anthropic’s consistent coding-benchmark strength and developer-tool adoption against the short window remaining, where any surprise model drop or scoring shift could alter the ranking.
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".
Marché ouvert : Jul 24, 2026, 7:45 PM ET
Volume
$76,800Date de fin
1 oct. 2026Marché ouvert
Jul 24, 2026, 7:45 PM ETSource de résolution
https://arena.ai/leaderboard/code/webdev?rankBy=labsRésolveur
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’s recent Claude Fable 5.1 release on September 1 has driven its 70% market-implied odds as second-best Code Arena WebDev AI lab by month-end, placing its models at 1758 Elo just behind OpenAI’s GPT-6 Astra in live WebDev Arena leaderboards. The update delivered gains in multi-file reasoning, agentic workflows, and cache efficiency that directly boost performance on full-stack web tasks such as database integration and real-time deployments. OpenAI’s follow-on Astra launch maintains a narrow lead but leaves limited room for other labs to overtake Anthropic before resolution. Traders weigh Anthropic’s consistent coding-benchmark strength and developer-tool adoption against the short window remaining, where any surprise model drop or scoring shift could alter the ranking.
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".
Volume
$76,800Date de fin
1 oct. 2026Marché ouvert
Jul 24, 2026, 7:45 PM ETSource de résolution
https://arena.ai/leaderboard/code/webdev?rankBy=labsRésolveur
0x69c47De9D...Anthropic’s recent Claude Fable 5.1 release on September 1 has driven its 70% market-implied odds as second-best Code Arena WebDev AI lab by month-end, placing its models at 1758 Elo just behind OpenAI’s GPT-6 Astra in live WebDev Arena leaderboards. The update delivered gains in multi-file reasoning, agentic workflows, and cache efficiency that directly boost performance on full-stack web tasks such as database integration and real-time deployments. OpenAI’s follow-on Astra launch maintains a narrow lead but leaves limited room for other labs to overtake Anthropic before resolution. Traders weigh Anthropic’s consistent coding-benchmark strength and developer-tool adoption against the short window remaining, where any surprise model drop or scoring shift could alter the ranking.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jour
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