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Third-best AI Agent Lab end of October?

Polymarket prediction market· Same prices, rules and result

OPEN17 optionsCloses Nov 1, 2026

Polymarket chance · top 4 of 17 options

Google 68%Meta 22%OpenAI 7%Moonshot 3%

17 options · by chance

OptionChance: Polymarket's displayed chance: the midpoint of the best bid and ask. When the spread is wider than 10¢, the last trade instead, as on Polymarket.24hAI analystsTiers 1–2Buy
Google68%+0.8 pts62%2 · 1
Meta22%+2.4 pts24%2 · 0
OpenAI7%−0.5 pts10%1 · 0
Moonshot3%+1.1 pts4%none
DeepSeek1%+0.9 pts1%none
SpaceXAI1%−0.1 pts1%none
Z.ai<1%—1%none
Alibaba<1%+0.5 pts1%none
Anthropic<1%—1%none
ByteDance<1%—1%none
Baidu<1%—1%none
Microsoft<1%—1%none
Nvidia<1%+0.1 pts1%none
Mistral<1%—1%none
Xiaomi<1%—1%none
MiniMax<1%—1%none
Amazon<1%—1%none

17 options trading, by chance. +1 more on Polymarket

1AI analysts

5 AI analysts · each gives every option a chance
OptionMarketAI averageAIGap
Google68%62%−6
Meta22%24%+2
OpenAI7%10%+3
Moonshot3%4%+1
DeepSeek1%1%0
SpaceXAI1%1%0
+11 more options

AI analysts' average · Anthropic

1%

level with the market · 1 AI analyst

Track record

Track record: How close each AI analyst's odds came to the result on settled markets, against the market price at the moment of each view (Brier score, each market once). 1 level, 0 price closer, on 224 settled markets each. Past performance is not indicative of future results.

Each AI analyst's odds and reason for every option are in Plus. The Free preview shows the averages and the gaps.

The AI analysts are Kellian's own agents and trade the markets they rate, with play money. Past performance is not indicative of future results.

2News

  • 1h
    Anthropic's Claude Mythos 5 AI Agent Tried to Inject Malicious Code and Trick Real Developers
    CyberSecurityNews
  • 4h
    AI: Anthropic’s $750B Compute Bill, OpenAI’s Trim, Nvidia’s Safety Net & More. AI-RTZ #1249
    AI: Reset to Zero
  • 9h
    Anthropic reveals Mythos 5 tried submitting malicious code to an open-source project
    SiliconANGLE
  • 10h
    UK Vows £100 Million for Biosecurity Lab With OpenAI, Anthropic
    Bloomberg
  • 10h
    OpenAI disables internet access during model training while Anthropic issues another mea culpa
    The Register
  • 11h
    Eric Schmidt Rejects AI Bubble Fears, Says Anthropic Is Growing Twice as Fast as Google Did
    Yahoo Finance
  • 11h
    The Wrap: Anthropic Gets Heavyweight Backup; AI Defense Gets Bipartisan Backing; AI Graduates From Pilot Mode
    LinkedIn
  • 12h
    Former National Security Officials Warn Anthropic Ruling Threatens Federal AI Procurement
    MeriTalk
  • 13h
    Anthropic's IPO could be the ultimate test for the AI trade
    Yahoo Finance
  • 14h
    Chinese AI model Kimi K3.1 Pro is closing in on Anthropic's Claude Opus 5.5
    The Decoder
  • 15h
    Anthropic and Hg Form Company to Embed AI Engineers in European Enterprises
    PYMNTS.com
  • 15h
    Anthropic says its unreleased model is both more capable and better aligned than Mythos 5.1
    The Decoder
  • 18h
    Why OpenAI could be in trouble if Anthropic's IPO doesn't go well
    Yahoo Finance
  • 18h
    Anthropic debuts Claude Duet personal AI agent. Here's what to know.
    CBS News
  • 19h
    Experts cast doubt on Anthropic report detailing how AI has altered work at the company
    The Guardian
  • 21h
    Anthropic and Hg to Launch AI Consultancy for European Firms
    SQ Magazine
  • 22h
    Exclusive | Wall Street urging Anthropic, OpenAI to do their IPOs this year ‘before things get crazy’ — here’s why
    New York Post
  • 1d
    Anthropic Adds Opt-In Security Scanning for Critical Open-Source Projects
    infoq.com
  • 1d
    The Latest Anthropic Claude Models Contain AI Text Watermarks
    www.oreilly.com
  • 1d
    Anthropic, Please Get on With Your IPO to Soothe the AI Trade
    Bloomberg.com
  • 1d
    Anthropic Introduces Claude Duet: A New Agentic AI App for Professionals
    CNET
  • 1d
    Reservoir Sues Suno & Anthropic in Latest Lawsuits Over AI Music: ‘Meant to Replace the Artists’
    Billboard
  • 1d
    DeepSeek just raised $15 billion to take on OpenAI and Anthropic
    www.bloomberg.com
  • 1d
    Anthropic IPO stands alone as AI market jitters sideline others
    Reuters
  • 2d
    Which Funds Have the Largest Stakes in Anthropic and OpenAI Ahead of Their IPOs?
    Morningstar
  • 2d
    Anthropic unveils Claude Duet AI agent app
    Reuters
  • 2d
    Anthropic announces preview of Claude Duet, a personal AI agent to take on Muse, Dots
    CNBC
  • 2d
    Anthropic, music publishers square off on 'fair use' defense in AI copyright case
    Reuters
  • 2d
    Anthropic Launches Claude Duet, a Proactive AI Agent
    MacRumors
  • 2d
    Anthropic Joins the A.I. Agent Race With Claude Duet
    The New York Times
  • 2d
    Anthropic launches Claude Duet, its answer to Meta and OpenAI's personal agents
    Business Insider
  • 2d
    Former Harvard AI Adviser Joins Anthropic Oversight Trust Weeks After Stepping Down
    The Harvard Crimson
  • 2d
    Anthropic takes on Muse with Claude Duet, its new AI agent
    The Verge
  • 2d
    What I saw inside Anthropic: AI lab pushes towards recursive self-improvement
    www.theargumentmag.com
  • 3d
    Why Anthropic’s draft bill sets $1 billion threshold for AI risk
    Politico
  • 3d
    Anthropic pitches AI safety bill that may block a model if 50+ people could be killed
    TechCrunch
  • 3d
    Anthropic Is in Talks for Another $45 Billion AI Deal. Nvidia Could Be a Big Winner.
    The Motley Fool
  • 4d
    Structured outputs for Anthropic Claude models on Amazon Bedrock | Artificial Intelligence
    Amazon Web Services (AWS)
  • 4d
    Anthropic Readies Model That Reads Users' Intentions Better
    The Information
  • 5d
    Anthropic commits 5% of shares to new public benefit fund that could address AI job disruption
    CNBC
Headlines link to the publisher. Kellian shows titles only.

3Smart money: Ranked traders who hold this market: side, shares and average entry. From Polymarket's public data.

Polymarket's traders in this topic by 3-month profit · updated 56m ago
OptionYes holdersNo holdersYes · No
GoogleYes 0xA2770432A5E6Bd24c347c976b0D815db1f2C110xA2770432A5E6Bd24c347c976b0D815db1f2C11: Tier 1, #7 by 3M P&L in this topic. Plus shows their size and average entry. T1 · No ronaldkronaldk: Tier 2, #14 by 3M P&L in this topic. Plus shows their size and average entry. T22 0xA2770432A5E6Bd24c347c976b0D815db1f2C110xA2770432A5E6Bd24c347c976b0D815db1f2C11: Tier 1, #7 by 3M P&L in this topic. Plus shows their size and average entry. T1·KimchiCapitalKimchiCapital: Tier 2, #18 by 3M P&L in this topic. Plus shows their size and average entry. T2 1 ronaldkronaldk: Tier 2, #14 by 3M P&L in this topic. Plus shows their size and average entry. T22 · 1
MetaYes molodoyymolodoyy: Tier 2, #11 by 3M P&L in this topic. Plus shows their size and average entry. T2 2 molodoyymolodoyy: Tier 2, #11 by 3M P&L in this topic. Plus shows their size and average entry. T2·ronaldkronaldk: Tier 2, #14 by 3M P&L in this topic. Plus shows their size and average entry. T2 02 · 0
OpenAIYes molodoyymolodoyy: Tier 2, #11 by 3M P&L in this topic. Plus shows their size and average entry. T21 molodoyymolodoyy: Tier 2, #11 by 3M P&L in this topic. Plus shows their size and average entry. T201 · 0

14 options: no ranked trader holds them

Best-ranked first. Tier 1 ranks 1–10, Tier 2 ranks 11–50.

See all of them, their size, average entry, when most of their shares came in, and every move.

Past performance is not indicative of future results.

Rules Polymarket's rules · the same for all 17 options

This market will resolve according to the third-highest ranked Company based on the arena.ai Agent Arena Leaderboard when the table under "Agent Arena" filtered for "Labs" is checked on October 31, 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 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".Show rulesHide rules
Resolution criteria
This market will resolve according to the third-highest ranked Company based on the arena.ai Agent Arena Leaderboard when the table under "Agent Arena" filtered for "Labs" is checked on October 31, 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 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".
How markets resolve
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Anthropic · Buy YesOption 9 of 17

Polymarket price · live

Yes—
No—
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Before you decide · Anthropic

  • News17 today · latest 1h
  • AI analysts1% · level
  • Tiers 1–2none of the top 50
Paper trading · play money

Paper-trade this market before you decide: same price as Polymarket, play money with no cash value.