{"success":true,"comparison":"blue-cash-preferred-card-from-american-express-vs-citi-diamond-preferred","summary":{"updatedAt":"2026-10-13T15:07:34.836Z","generatedAt":"2026-10-13T15:07:34.836Z","lastVerifiedAt":null,"entityType":"card_comparison","entityName":"Blue Cash Preferred Card from American Express vs Citi Diamond Preferred","pageUrl":"https://cardcurator.ai/compare/blue-cash-preferred-card-from-american-express-vs-citi-diamond-preferred","canonicalUrl":"https://cardcurator.ai/compare/blue-cash-preferred-card-from-american-express-vs-citi-diamond-preferred","jsonUrl":"https://cardcurator.ai/api/public/compare/blue-cash-preferred-card-from-american-express-vs-citi-diamond-preferred/summary","methodologyUrl":"https://cardcurator.ai/how-we-rank-cards","dataSourcesUrl":"https://cardcurator.ai/data-sources","sourceUrls":["https://cardcurator.ai/compare/blue-cash-preferred-card-from-american-express-vs-citi-diamond-preferred","https://cardcurator.ai/api/public/compare/blue-cash-preferred-card-from-american-express-vs-citi-diamond-preferred/summary","https://cardcurator.ai/card/blue-cash-preferred-card-from-american-express","https://cardcurator.ai/card/citi-diamond-preferred","https://cardcurator.ai/how-we-rank-cards","https://cardcurator.ai/data-sources"],"dataVersion":"public-citation-v1","shareTitle":"Blue Cash Preferred Card from American Express vs Citi Diamond Preferred","shareText":"Blue Cash Preferred Card from American Express leads on 2 of 4 headline comparisons: annual fee, estimated welcome bonus, highest listed earn rate, and annual listed credits. This is a starting point; category restrictions and the benefits you actually use can change the better fit. On raw upside, Blue Cash Preferred Card from American Express tops out at 6x versus 1x for Citi Diamond Preferred. Current signup bonus values are roughly $300 for Blue Cash Preferred Card from American Express and $0 for Citi Diamond Preferred. Summary generated October 13, 2026. Source: https://cardcurator.ai/compare/blue-cash-preferred-card-from-american-express-vs-citi-diamond-preferred","evidenceBullets":["Blue Cash Preferred Card from American Express wins 2 of 4 comparison categories in CardCurator's quick verdict model.","Top earn rate: Blue Cash Preferred Card from American Express reaches 6x; Citi Diamond Preferred reaches 1x.","Annual fee: Blue Cash Preferred Card from American Express is $95/yr; Citi Diamond Preferred is no annual fee.","Current public bonus values: Blue Cash Preferred Card from American Express ~$300; Citi Diamond Preferred ~$0."],"winner":{"name":"Blue Cash Preferred Card from American Express","slug":"blue-cash-preferred-card-from-american-express","score":2,"maxEarnRate":6,"annualFee":95},"loser":{"name":"Citi Diamond Preferred","slug":"citi-diamond-preferred","score":1,"maxEarnRate":1,"annualFee":0}}}