{"slug":"kalshi","name":"Kalshi","domain":null,"verdict":"As of 2026-07-19, ChatGPT, Claude, Gemini, Grok collectively rank Kalshi #2 of 6 for prediction market platform. Source: https://modelsagree.com/product/kalshi (modelsagree.com, CC BY 4.0).","best_rank":2,"categories":1,"brief":{"category":"best-prediction-market-platform","title":"Best prediction market platform","rank":2,"of":6,"top":"Polymarket","day":"2026-07-20","why":[{"t":"Fully CFTC-regulated US exchange","m":["ChatGPT","Claude","Gemini","Grok"],"q":"The only fully CFTC-regulated US exchange in the category"},{"t":"Direct fiat and USD integration","m":["Claude","Gemini","Grok"],"q":"direct USD bank integration"},{"t":"Broad regulated event coverage","m":["ChatGPT","Claude","Grok"],"q":"rapidly expanded coverage (economics, weather, politics, sports)"},{"t":"Mature tools and reliable settlement","m":["ChatGPT","Claude","Grok"],"q":"mature API and trading tools"}],"gap":[{"t":"Near-zero trading fees","m":["Claude","Gemini","ChatGPT"],"q":"near-zero trading fees on Polygon"},{"t":"Public on-chain data and self-custody","m":["Grok","ChatGPT"],"q":"self-custodial USDC on Polygon with fast execution"},{"t":"Strong global market breadth","m":["Claude","Gemini","Grok","ChatGPT"],"q":"often stronger for global politics, geopolitics, market breadth"}],"fix":[{"t":"Fees erode small trading edges","m":["ChatGPT","Claude"],"q":"active-trader fees can materially erode small edges"},{"t":"Restricted scope and slower innovation","m":["Gemini","Grok"],"q":"more restricted market scope and slower innovation than crypto platforms"},{"t":"Geographic and state-level limits","m":["ChatGPT","Grok"],"q":"Sports-contract access and legality still vary by state"}]},"entries":[{"slug":"best-prediction-market-platform","title":"Best prediction market platform","rank":2,"of":6,"score":17,"appearances":4,"modelRanks":{"ChatGPT":1,"Claude":2,"Gemini":2,"Grok":2},"reason":"Best all-around choice for typical U.S. traders: broad real-money event coverage, strong liquidity, clear contract rules, mature API and trading tools, and federal exchange oversight; ranked first assuming lawful availability in the user’s state","reasons":[{"model":"ChatGPT","reason":"Best all-around choice for typical U.S. traders: broad real-money event coverage, strong liquidity, clear contract rules, mature API and trading tools, and federal exchange oversight; ranked first assuming lawful availability in the user’s state"},{"model":"Claude","reason":"The only fully CFTC-regulated US exchange in the category — fiat deposits, brokerage-style compliance, 1099 tax reporting, and API access — with rapidly expanded coverage (economics, weather, politics, sports) after court wins cleared election and sports contracts; near-tie with Polymarket for a US practitioner who prioritizes regulatory safety over depth."},{"model":"Gemini","reason":"Fully CFTC-regulated US exchange offering direct USD bank integration and legal compliance for US retail and institutional event contract trading. Near-tie with Polymarket for practitioners prioritizing US legal status over global market breadth."},{"model":"Grok","reason":"fully CFTC-regulated fiat platform with strong US accessibility, high liquidity especially in regulated events/sports, user-friendly for beginners, reliable settlement and compliance"}],"fixes":[{"model":"ChatGPT","fix":"Sports-contract access and legality still vary by state, and active-trader fees can materially erode small edges"},{"model":"Claude","fix":"Liquidity on most non-headline markets is thin relative to Polymarket, so large positions move prices, and fee structure (per-contract trading fees) eats edge on low-margin trades."},{"model":"Gemini","fix":"Strict regulatory oversight slows market creation speed and restricts topic variety compared to decentralized competitors."},{"model":"Grok","fix":"more restricted market scope and slower innovation than crypto platforms, geographic limits outside US"}],"updated":"2026-07-19","api":"https://modelsagree.com/api/v1/best/best-prediction-market-platform.json"}],"page":"https://modelsagree.com/product/kalshi","check":"https://modelsagree.com/check?q=Kalshi","updated":"2026-07-21T04:28:25.186Z","attribution":"modelsagree.com, CC BY 4.0"}