Trader sentiment for the second-best AI agent lab by end of September shows closely matched probabilities across multiple outcomes, underscoring uncertainty in a fast-evolving field. OpenAI holds the lead at 40.5% implied probability, with SpaceXAI, Anthropic, and others trailing, as traders weigh demonstrated capabilities in autonomous task execution, tool integration, and large language model reasoning benchmarks. Competitive dynamics hinge on recent model releases that enhance agent reliability and safety alignments, alongside developer ecosystem growth and real-world adoption metrics. Key swing factors include upcoming capability demonstrations, partnership announcements, and any regulatory signals on AI deployment over the next six weeks that could reshape relative positioning among labs.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedOpenAI 41%
Z.ai 24%
SpaceXAI 22%
Anthropic 19%
NEW
NEW
Sep 30, 2026
OpenAI
41%
Z.ai
24%
SpaceXAI
20%
Anthropic
19%
Moonshot
16%
Amazon
13%
DeepSeek
12%
Alibaba
9%
Meta
7%
Mistral
5%
Nvidia
5%
Microsoft
4%
Xiaomi
4%
MiniMax
4%
Baidu
4%
4%
Meituan
4%
ByteDance
3%
OpenAI 41%
Z.ai 24%
SpaceXAI 22%
Anthropic 19%
NEW
NEW
Sep 30, 2026
OpenAI
$115 Vol.
41%
Z.ai
$75 Vol.
24%
SpaceXAI
$95 Vol.
20%
Anthropic
$81 Vol.
19%
Moonshot
$115 Vol.
16%
Amazon
$36 Vol.
13%
DeepSeek
$36 Vol.
12%
Alibaba
$36 Vol.
9%
Meta
$95 Vol.
7%
Mistral
$262 Vol.
5%
Nvidia
$60 Vol.
5%
Microsoft
$85 Vol.
4%
Xiaomi
$1,081 Vol.
4%
MiniMax
$36 Vol.
4%
Baidu
$36 Vol.
4%
$81 Vol.
4%
Meituan
$36 Vol.
4%
ByteDance
$36 Vol.
3%
This market will resolve according to the second-highest ranked Company based on the arena.ai Agent Arena Leaderboard when the table under "Agent Arena" filtered for "Labs" is checked on September 30, 2026, 12:00 PM ET.
Results from the "Rank" column under the "Agent Arena" Leaderboard tab at https://arena.ai/leaderboard/agent filtered for "Labs" will be used to resolve this market.
Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score.
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 Agent Arena 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".Trader sentiment for the second-best AI agent lab by end of September shows closely matched probabilities across multiple outcomes, underscoring uncertainty in a fast-evolving field. OpenAI holds the lead at 40.5% implied probability, with SpaceXAI, Anthropic, and others trailing, as traders weigh demonstrated capabilities in autonomous task execution, tool integration, and large language model reasoning benchmarks. Competitive dynamics hinge on recent model releases that enhance agent reliability and safety alignments, alongside developer ecosystem growth and real-world adoption metrics. Key swing factors include upcoming capability demonstrations, partnership announcements, and any regulatory signals on AI deployment over the next six weeks that could reshape relative positioning among labs.
This market will resolve according to the second-highest ranked Company based on the arena.ai Agent Arena Leaderboard when the table under "Agent Arena" filtered for "Labs" is checked on September 30, 2026, 12:00 PM ET.
Results from the "Rank" column under the "Agent Arena" Leaderboard tab at https://arena.ai/leaderboard/agent filtered for "Labs" will be used to resolve this market.
Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score.
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 Agent Arena 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 "Agent Arena" Leaderboard tab at https://arena.ai/leaderboard/agent filtered for "Labs" will be used to resolve this market.
Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score.
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 Agent Arena 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: Aug 12, 2026, 7:40 PM ET
Volume
$2,397End Date
Sep 30, 2026Market Opened
Aug 12, 2026, 7:40 PM ETResolver
0x69c47De9D...This market will resolve according to the second-highest ranked Company based on the arena.ai Agent Arena Leaderboard when the table under "Agent Arena" filtered for "Labs" is checked on September 30, 2026, 12:00 PM ET.
Results from the "Rank" column under the "Agent Arena" Leaderboard tab at https://arena.ai/leaderboard/agent filtered for "Labs" will be used to resolve this market.
Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score.
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 Agent Arena 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".Trader sentiment for the second-best AI agent lab by end of September shows closely matched probabilities across multiple outcomes, underscoring uncertainty in a fast-evolving field. OpenAI holds the lead at 40.5% implied probability, with SpaceXAI, Anthropic, and others trailing, as traders weigh demonstrated capabilities in autonomous task execution, tool integration, and large language model reasoning benchmarks. Competitive dynamics hinge on recent model releases that enhance agent reliability and safety alignments, alongside developer ecosystem growth and real-world adoption metrics. Key swing factors include upcoming capability demonstrations, partnership announcements, and any regulatory signals on AI deployment over the next six weeks that could reshape relative positioning among labs.
This market will resolve according to the second-highest ranked Company based on the arena.ai Agent Arena Leaderboard when the table under "Agent Arena" filtered for "Labs" is checked on September 30, 2026, 12:00 PM ET.
Results from the "Rank" column under the "Agent Arena" Leaderboard tab at https://arena.ai/leaderboard/agent filtered for "Labs" will be used to resolve this market.
Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score.
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 Agent Arena 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 "Agent Arena" Leaderboard tab at https://arena.ai/leaderboard/agent filtered for "Labs" will be used to resolve this market.
Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score.
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 Agent Arena 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
$2,397End Date
Sep 30, 2026Market Opened
Aug 12, 2026, 7:40 PM ETResolver
0x69c47De9D...Trader sentiment for the second-best AI agent lab by end of September shows closely matched probabilities across multiple outcomes, underscoring uncertainty in a fast-evolving field. OpenAI holds the lead at 40.5% implied probability, with SpaceXAI, Anthropic, and others trailing, as traders weigh demonstrated capabilities in autonomous task execution, tool integration, and large language model reasoning benchmarks. Competitive dynamics hinge on recent model releases that enhance agent reliability and safety alignments, alongside developer ecosystem growth and real-world adoption metrics. Key swing factors include upcoming capability demonstrations, partnership announcements, and any regulatory signals on AI deployment over the next six weeks that could reshape relative positioning among labs.
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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