# Maker or primary seller status > OpenAI states that merchant ranking considers whether you are the maker or primary seller of an item, so a reseller listing competes from behind on a factor it cannot change by editing a page. - **Affects (funnel stage):** Choice - **Evidence:** spec-fact - **Confidence:** Very high - **Impact:** 3/3 - **Status:** active - **Last verified:** 2026-09-18 ## Per-platform status Undocumented platforms show "unknown" - honest unknowns, never invented. | Platform | Status | Notes | Source | | --- | --- | --- | --- | | ChatGPT | supported | Verbatim: merchants are ranked based on factors like availability, price, quality, and whether they are the maker or primary seller of that item. | [link](https://help.openai.com/en/articles/11128490-shopping-with-chatgpt-search) (verified 2026-08-28) | | Gemini / Google AI Mode | unknown | Not documented by this platform. | - | | Perplexity | unknown | Not documented by this platform. | - | | Copilot | unknown | Not documented by this platform. | - | | Claude | unknown | Not documented by this platform. | - | ## Evidence and sources - [Shopping with ChatGPT Search (OpenAI Help Center)](https://help.openai.com/en/articles/11128490-shopping-with-chatgpt-search) (updated approx 2026-08-28, accessed 2026-09-18) ## How to act on this If you make the product, make that legible: brand ownership, manufacturer identity and an authoritative product page carrying the canonical identifiers. If you resell, accept that this factor runs against you and compete on the ones you do control, which on the same stated list are availability, price and quality. ### Handbook chapters - [ChatGPT Shopping Optimization](https://agentmint.net/chatgpt-shopping-optimization/) ### Related signals - [Seller identity reachable in two hops](https://agentmint.net/signals/seller-identity-reachable/) - [Product identity and canonical URL](https://agentmint.net/signals/product-identity/) - [Competitive price awareness with parity](https://agentmint.net/signals/price-competitive-awareness/)