Moonshot's July 2026 launch of Kimi K3, which topped independent Arena.AI benchmarks and matched or exceeded Anthropic's Fable 5 and OpenAI's GPT-5.6 on coding and agent tasks while remaining open-weight and far cheaper, has lifted trader sentiment for the Chinese lab in the third-place AI agent race. DeepSeek's V4 Pro and Z.ai models similarly deliver frontier-level agentic performance at low cost, fueling adoption among developers and enterprises shifting from U.S. closed systems. This cost-performance edge, alongside earlier reports of multi-agent swarms and strong SWE-bench results, keeps the top probabilities tightly clustered near 14-16% as labs race to demonstrate reliable autonomous workflows before September resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedThird-best AI Agent Lab end of September?
OpenAI 15%
DeepSeek 13.2%
Anthropic 12%
Z.ai 12%

OpenAI
15%

DeepSeek
13%

Anthropic
12%

Z.ai
12%

Baidu
12%

Microsoft
9%

Alibaba
8%

Amazon
8%

8%

Meituan
7%

Meta
6%

Mistral
5%

ByteDance
5%

SpaceXAI
3%

Xiaomi
3%

MiniMax
3%

Nvidia
3%

Moonshot
26%
OpenAI 15%
DeepSeek 13.2%
Anthropic 12%
Z.ai 12%

OpenAI
15%

DeepSeek
13%

Anthropic
12%

Z.ai
12%

Baidu
12%

Microsoft
9%

Alibaba
8%

Amazon
8%

8%

Meituan
7%

Meta
6%

Mistral
5%

ByteDance
5%

SpaceXAI
3%

Xiaomi
3%

MiniMax
3%

Nvidia
3%

Moonshot
26%
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 third 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
Resolver
0x69c47De9D...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 third 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".
Resolver
0x69c47De9D...Moonshot's July 2026 launch of Kimi K3, which topped independent Arena.AI benchmarks and matched or exceeded Anthropic's Fable 5 and OpenAI's GPT-5.6 on coding and agent tasks while remaining open-weight and far cheaper, has lifted trader sentiment for the Chinese lab in the third-place AI agent race. DeepSeek's V4 Pro and Z.ai models similarly deliver frontier-level agentic performance at low cost, fueling adoption among developers and enterprises shifting from U.S. closed systems. This cost-performance edge, alongside earlier reports of multi-agent swarms and strong SWE-bench results, keeps the top probabilities tightly clustered near 14-16% as labs race to demonstrate reliable autonomous workflows before September resolution.
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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