KalshiCheck availabilityKYC required2% feeVerified resolution dataFairly calibratedCurrent implied probability
Above 2.3% 65%Leader of 7 outcomes
Market quality
61 / 100
Medium quality24h Volume
$19.6K
Liquidity
$8.2K
Medium liquiditySpread
4.0 pt
Moderate spreadMarket data
Updated 2 minutes ago
Sep 21, 26, 4:00 PM UTCSep 28, 26, 3:59 AM UTC
Trends
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Rules
If Anthropic scores above 2.3% on OpenRouter text market share by model author week of Sep 21, 2026, then the market resolves to Yes.
Settles via:OpenRouter - AI Market Share
- This event will resolve based on 10:00AM ET Monday updated market share values reported by OpenRouter, rounded to one decimal place, for the week of Sep 21, 2026.
- If the named model author’s market share is not separately identified in the source chart, including if it is included in “Others,” all markets in the event will resolve to No. Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the governing benchmark.
- All trademarks, logos, and brand names are the property of their respective owners.
- If Anthropic scores above 2.5% on OpenRouter text market share by model author week of Sep 21, 2026, then the market resolves to Yes.
Open markets
AI
POLYMARKETNext Claude Opus released on?
- September 22+43.5pt67.9%
- September 24+1.0pt12.3%
- September 23+0.9pt6.6%
+13 more outcomes
- Total Vol
- $251K
- 24h Vol
- $205.2K
KALSHITime's Person of the Year for 2026
- Zohran Mamdani-2.0pt27%
- Mark Carney-1.0pt18%
- Donald Trump10%
+39 more outcomes
- Total Vol
- $1.5M
- 24h Vol
KALSHIBest AI at the end of 2026?
- Claude-2.2pt69.9%
- ChatGPT+0.8pt14.6%
- Gemini-0.8pt7.8%
+5 more outcomes
- Total Vol
- $11.8M
POLYMARKETWill Anthropic’s valuation hit __ by December 31?
- ↑$1.25T+1.3pt100%
- ↑$1.1T+3.6pt100%
- ↑$1.0T+2.4pt100%
+10 more outcomes
POLYMARKETWhich company has the best AI model end of September?
- Anthropic+0.1pt98%
- Google-0.3pt1%
- OpenAI+0.3pt1%
+18 more outcomes
POLYMARKETWhich company has best AI model end of 2026?
- Anthropic-1.0pt69.6%
- OpenAI+3.5pt12.8%
- Google-3.0pt9.8%
+12 more outcomes
- Anthropic IPO by which date?
- Anthropic lab leak by which date?
- Best AI this week
- Next Claude Opus released by which date?
- OpenAI announces another Millennium Prize solution by which date?
- When will Anthropic officially announce an IPO?
- Best Chinese AI Company end of September?
- Anthropic IPO Closing Market Cap
- Stanley Cup Finals Winner
- U.S. enacts AI safety bill before 2027?
- Best AI in Sep 2026?
Frequently asked questions
- What are the current odds for Anthropic market share this week?
- Kalshi prices Above 2.3% at 65% as of September 22, 2026.
- When does Anthropic market share this week resolve?
- Anthropic market share this week is scheduled to resolve on September 28, 2026.
- How is Anthropic market share this week settled?
- Kalshi settles this market as follows: If Anthropic scores above 2.3% on OpenRouter text market share by model author week of Sep 21, 2026, then the market resolves to Yes.