Current implied probability
Anthropic 68.3%-1.0ptLeader of 18 outcomes
Market quality
≤49 / 100
Low quality24h Volume
—
Liquidity
$8.8K
Medium liquiditySpread
2.0 pt
Tight spreadComments
0
7d Change
-9.5 pts
Market data
Updated 8 minutes ago
Aug 12, 26, 11:52 PM UTCNov 1, 26, 3:59 AM UTC
Trends
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Which company has the best AI Agent end of September?
PolymarketSecond-best AI Agent Lab end of September?
PolymarketSecond-best AI Agent Lab end of October?
PolymarketWhich models will GPT-6 Astra be higher than on arena.ai agent arena on the 12th September?
Manifold MarketsMajor company suffers serious damage from AI agent in 2026?
Manifold MarketsWill an AI agent autonomously discover and report a novel security vulnerability (assigned CVE) by end of 2026?
Manifold MarketsRules
This market will resolve according to the company that owns the model that has the highest rank based on the Agent Arena Leaderboard (https://arena.ai/leaderboard/agent) when the table under "Agent Arena" filtered for "Models" 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 "Models" will be used to resolve this market.
- Note: Models marked “AutoEval” at the applicable check time will not be considered, regardless of whether they display a rank or score.
- Models will be ordered primarily by their leaderboard rank at the market’s check time.
- 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 company names as listed in this market group will be used as a final tiebreaker (e.g., “Google” would be ranked ahead of “SpaceXAI”).
Open markets
Tech
KALSHIBTC price on Sep 8, 2026 at 5pm EDT?
- $75,000 or above99%
- $75,250 or above99%
- $69,500 or above99%
+77 more outcomes
- Total Vol
- $844.6K
- 24h Vol
- $817.6K
POLYMARKETElon Musk # tweets September 1 - September 8, 2026?
- 200-219+45.0pt95%
- 220-239-11.3pt5%
- 40-590%
+23 more outcomes
KALSHIBTC price on Sep 11, 2026 at 5pm EDT?
- $72,000 or above+3.0pt99%
- $69,500 or above+1.0pt98%
- $68,500 or above97%
+47 more outcomes
- Total Vol
- $1.1M
POLYMARKETElon Musk # tweets September 4 - September 11, 2026?
- 180-199+5.0pt27.4%
- 200-219+5.0pt22.6%
- 160-179-4.0pt20.6%
+23 more outcomes
POLYMARKETWhich company has the best AI model end of September?
- Anthropic+4.0pt88.1%
- OpenAI-1.7pt9.9%
- Google-0.2pt2%
+18 more outcomes
POLYMARKETElon Musk # tweets September 7 - September 9, 2026?
- 40-64+7.5pt55.9%
- 65-89+13.0pt33.3%
- 90-114+1.9pt5.9%
+7 more outcomes
- When will Apple release the iPhone 18?
- Bitcoin price at the end of 2026
- Where will it rain on Sep 8, 2026?
- Highest temperature in Los Angeles on Sep 8, 2026?
- Best AI at the end of 2026?
- Will Apple release a foldable iPhone by which date?
- Next James Bond actor?
- ETH price on Sep 8, 2026 at 5pm EDT?
- When will Tesla and SpaceX merge?
- SpaceX (SPCX) Up or Down - Daily
- Elon Musk # of tweets in September 2026?
- Highest temperature in New York City on Sep 8, 2026?
Frequently asked questions
- What are the current odds for Which company has the best AI Agent end of October??
- Polymarket prices Anthropic at 68% as of September 8, 2026.
- When does Which company has the best AI Agent end of October? resolve?
- Which company has the best AI Agent end of October? is scheduled to resolve on November 1, 2026.
- How is Which company has the best AI Agent end of October? settled?
- Polymarket settles this market as follows: This market will resolve according to the company that owns the model that has the highest rank based on the Agent Arena Leaderboard (https://arena.ai/leaderboard/agent) when the table under "Agent Arena" filtered for "Models" is checked on October 31, 2026, 12:00 PM ET.