Being the brand others are compared to wins answers
Lululemon is the reference point for most of the content AI reads. CRZ Yoga is the second most recommended brand largely by being the named 'Lululemon dupe'. A challenger can borrow a leader's visibility by being clearly positioned against it.
Lululemon appears in 12 of 24 answers with 8 first places. CRZ Yoga appears in 9 with 4 first places and was both models' first pick for 'alternatives to Lululemon Align leggings', drawing on dupe.com and flexwearlab.com's 'Best Lululemon Dupes on Amazon'.
Narrow problem questions hand first place to specialists
When the shopper names a specific need, both models pass over the big names and lead with specialists. This is the clearest route to first place for a smaller brand.
Panache was first on both models for 'high-impact sports bra for a large bust' (avg position 1.0), with sportsbrareviews.com cited 4 times in that answer. Selkirk was first on both for pickleball outfits. Alphalete and AYBL led 'brands like Gymshark'.
UK brands barely register, even for UK shoppers
Most cited sources are American, so answers lean towards US labels. British brands are under-represented, which leaves room for any UK brand that gets into the right lists.
The most cited domain is walmart.com (8 citations across 4 answers). Vuori (7 answers), Athleta (6) and Quince (4) all beat Sweaty Betty, which appears in only 3 answers, all from Claude, at an average position of 10.3. Gymshark appears in 5.
Small affiliate 'tested' blogs set the squat-proof shortlist
Many minor review blogs repeat the same five brands. AI treats this repetition as consensus, so being absent from these sites keeps a brand out of the answer.
violatethedresscode.com, flexwearlab.com, catarcottega.com, shopvitality.com, sportygymoutfits.com, smartselects.blog, advancestudy.org and sportsoutdoors.org all appear alongside the same five names: Lululemon, Nike, CRZ Yoga, Gymshark and Sweaty Betty.
Claude names high-street brands far more than ChatGPT
The two models favour different brands, so a brand can be visible on one and missing on the other. Claude leans towards familiar sportswear and high-street names, while ChatGPT leans towards US-led sources.
Nike: Claude 5 answers vs ChatGPT 1. Gymshark: 4 vs 1. Fabletics and Sweaty Betty: only Claude (3 answers each). Athleta goes the other way: ChatGPT 4 vs Claude 2. For 'gym clothes under £30', ChatGPT led with Decathlon and Claude with Primark.