Moonshot AI leads trader consensus at 87.9% implied probability for third place on the arena.ai Agent Arena Leaderboard for labs at end-September, driven by its July 2026 Kimi K3 release—a 2.8-trillion-parameter open-weight MoE model with strong agentic benchmarks, 1M-token context, and Agent Swarm supporting up to 300 sub-agents. Complementary tools like Kimi Work desktop agents and browser automation have sustained competitive positioning in coding, tool-use, and multi-step reasoning evaluations relative to other non-frontier labs. Top spots remain anchored by Anthropic’s Claude Fable 5.1 and OpenAI’s GPT-6 Astra, leaving limited room for shifts before the September 30 resolution. Recent weeks show no major new releases from rivals that would alter this hierarchy, though last-minute benchmark updates could still influence final rankings.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedMoonshot 87.9%
Z.ai 4.6%
Google 3.1%
SpaceXAI 2.8%
$54,348 Vol.
$54,348 Vol.

Moonshot
88%

Z.ai
5%

3%

SpaceXAI
3%

Meta
3%

Mistral
3%

DeepSeek
3%

Anthropic
3%

Alibaba
2%

OpenAI
2%

Amazon
1%

Nvidia
1%

Xiaomi
1%

Microsoft
<1%

Baidu
<1%

MiniMax
<1%

ByteDance
<1%

Meituan
<1%
Moonshot 87.9%
Z.ai 4.6%
Google 3.1%
SpaceXAI 2.8%
$54,348 Vol.
$54,348 Vol.

Moonshot
88%

Z.ai
5%

3%

SpaceXAI
3%

Meta
3%

Mistral
3%

DeepSeek
3%

Anthropic
3%

Alibaba
2%

OpenAI
2%

Amazon
1%

Nvidia
1%

Xiaomi
1%

Microsoft
<1%

Baidu
<1%

MiniMax
<1%

ByteDance
<1%

Meituan
<1%
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 AI leads trader consensus at 87.9% implied probability for third place on the arena.ai Agent Arena Leaderboard for labs at end-September, driven by its July 2026 Kimi K3 release—a 2.8-trillion-parameter open-weight MoE model with strong agentic benchmarks, 1M-token context, and Agent Swarm supporting up to 300 sub-agents. Complementary tools like Kimi Work desktop agents and browser automation have sustained competitive positioning in coding, tool-use, and multi-step reasoning evaluations relative to other non-frontier labs. Top spots remain anchored by Anthropic’s Claude Fable 5.1 and OpenAI’s GPT-6 Astra, leaving limited room for shifts before the September 30 resolution. Recent weeks show no major new releases from rivals that would alter this hierarchy, though last-minute benchmark updates could still influence final rankings.
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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