Trader sentiment for the second-best AI agent lab by end of September shows a tight contest, with Anthropic holding the highest implied probability at 42% and OpenAI close behind at 36.5%. This positioning stems from Anthropic's focused work on reliable agentic systems and safety-aligned large language models, contrasted with OpenAI's broader platform reach and ongoing GPT iterations. Lower odds for labs like Moonshot, xAI, and Meta reflect narrower agent-specific progress or resource allocation toward other priorities. The crowded field of sub-10% contenders highlights how small differences in benchmark performance, developer adoption, or funding rounds could shift outcomes before resolution. Key catalysts ahead include any major model releases or agent capability demos in the next six weeks, which traders are watching for signals of accelerating momentum.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedAnthropic 42%
OpenAI 37%
Google 16.8%
SpaceXAI 14%
NEW
NEW
Sep 30, 2026
Anthropic
42%
OpenAI
37%
17%
SpaceXAI
10%
Z.ai
10%
Moonshot
10%
MiniMax
4%
Xiaomi
3%
Mistral
2%
Microsoft
2%
ByteDance
1%
Meta
16%
Alibaba
1%
Amazon
1%
DeepSeek
1%
Meituan
1%
Nvidia
9%
Baidu
5%
Anthropic 42%
OpenAI 37%
Google 16.8%
SpaceXAI 14%
NEW
NEW
Sep 30, 2026
Anthropic
$684 Vol.
42%
OpenAI
$219 Vol.
37%
$125 Vol.
17%
SpaceXAI
$130 Vol.
10%
Z.ai
$100 Vol.
10%
Moonshot
$150 Vol.
10%
MiniMax
$100 Vol.
4%
Xiaomi
$1,185 Vol.
3%
Mistral
$307 Vol.
2%
Microsoft
$110 Vol.
2%
ByteDance
$61 Vol.
1%
Meta
$120 Vol.
16%
Alibaba
$100 Vol.
1%
Amazon
$100 Vol.
1%
DeepSeek
$100 Vol.
1%
Meituan
$100 Vol.
1%
Nvidia
$124 Vol.
9%
Baidu
$100 Vol.
5%
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 a tight contest, with Anthropic holding the highest implied probability at 42% and OpenAI close behind at 36.5%. This positioning stems from Anthropic's focused work on reliable agentic systems and safety-aligned large language models, contrasted with OpenAI's broader platform reach and ongoing GPT iterations. Lower odds for labs like Moonshot, xAI, and Meta reflect narrower agent-specific progress or resource allocation toward other priorities. The crowded field of sub-10% contenders highlights how small differences in benchmark performance, developer adoption, or funding rounds could shift outcomes before resolution. Key catalysts ahead include any major model releases or agent capability demos in the next six weeks, which traders are watching for signals of accelerating momentum.
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
$3,915End 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 a tight contest, with Anthropic holding the highest implied probability at 42% and OpenAI close behind at 36.5%. This positioning stems from Anthropic's focused work on reliable agentic systems and safety-aligned large language models, contrasted with OpenAI's broader platform reach and ongoing GPT iterations. Lower odds for labs like Moonshot, xAI, and Meta reflect narrower agent-specific progress or resource allocation toward other priorities. The crowded field of sub-10% contenders highlights how small differences in benchmark performance, developer adoption, or funding rounds could shift outcomes before resolution. Key catalysts ahead include any major model releases or agent capability demos in the next six weeks, which traders are watching for signals of accelerating momentum.
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
$3,915End 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 a tight contest, with Anthropic holding the highest implied probability at 42% and OpenAI close behind at 36.5%. This positioning stems from Anthropic's focused work on reliable agentic systems and safety-aligned large language models, contrasted with OpenAI's broader platform reach and ongoing GPT iterations. Lower odds for labs like Moonshot, xAI, and Meta reflect narrower agent-specific progress or resource allocation toward other priorities. The crowded field of sub-10% contenders highlights how small differences in benchmark performance, developer adoption, or funding rounds could shift outcomes before resolution. Key catalysts ahead include any major model releases or agent capability demos in the next six weeks, which traders are watching for signals of accelerating momentum.
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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