# 4 subscription billing vendors in AI answers Every vendor and figure on this page comes from the AEO Index, Q3 2026 edition. 4 subscription billing vendors ranked by AI answer share, the share of 288 subscription billing answers (12 prompts, 6 engines, 4 runs) that name each: median 56%, a spread of 49 percentage points from first to last, led by Kevrin (65%) and Gildane (57%). Last reviewed October 2, 2026. Ranked by AI answer share: answers naming the vendor divided by the 288 answers to subscription billing prompts (12 prompts x 6 engines x 4 runs). Equal counts share a rank. | Rank | Vendor | AI answer share | | --- | --- | --- | | 1 | Kevrin | 65% (188 of 288 answers) | | 2 | Gildane | 57% (163 of 288 answers) | | 3 | Remvik | 56% (160 of 288 answers) | | 4 | Corvana | 16% (45 of 288 answers) | Rows removed before ranking: 0 duplicate vendor records, 21 vendors from other categories named in these answers, and 0 subscription billing vendors never named in them. ## FAQ ### Which subscription billing vendors do AI engines name most often? [#subscription-billing-top](https://www.theaeocompany.co/categories/subscription-billing#subscription-billing-top) Kevrin (65%) and Gildane (57%) are the subscription billing vendors AI engines name most often, by share of 288 subscription billing answers naming each (4 vendors ranked, median 56%). Kevrin's 65% is 9 percentage points above the median share of 56%, less than double it. Last reviewed October 2, 2026. Source: The AEO Index, Q3 2026 edition. ### How is the subscription billing vendor ranking calculated? [#subscription-billing-ranked-by](https://www.theaeocompany.co/categories/subscription-billing#subscription-billing-ranked-by) Subscription billing vendors are ranked by AI answer share: the answers that name a vendor divided by the 288 answers to subscription billing prompts (12 prompts x 6 engines x 4 runs). Each vendor counts at most once per answer, and vendors with equal counts share a rank. Source: The AEO Index, Q3 2026 edition. ### Which subscription billing vendors are included, and which are left out? [#subscription-billing-gate](https://www.theaeocompany.co/categories/subscription-billing#subscription-billing-gate) A vendor is listed only when its record is in the subscription billing category and at least one AI answer to the subscription billing prompts names it: 4 of 4 subscription billing vendors qualify. 21 vendors from other categories named in these answers are left out. A category page is published only when at least 2 vendors qualify. Source: The AEO Index, Q3 2026 edition. ### How often do AI answers cite subscription billing vendors as sources? [#subscription-billing-citations](https://www.theaeocompany.co/categories/subscription-billing#subscription-billing-citations) 58 of 288 subscription billing AI answers (20%) cite at least one listed subscription billing vendor as a source. Remvik is cited most often, in 52 of those answers. Last reviewed October 2, 2026. Source: The AEO Index, Q3 2026 edition. ## Other categories in Fintech - AP automation (5 vendors): https://www.theaeocompany.co/categories/ap-automation - Corporate card (5 vendors): https://www.theaeocompany.co/categories/corporate-cards - Expense management (5 vendors): https://www.theaeocompany.co/categories/expense-management - FP&A (4 vendors): https://www.theaeocompany.co/categories/fp-and-a - Treasury management (4 vendors): https://www.theaeocompany.co/categories/treasury-management ## More - All categories: https://www.theaeocompany.co/categories - 27 Fintech Brands Ranked by AI Answer Share (2026): https://www.theaeocompany.co/lists/fintech-ai-answer-share