The September 2026 Index Report
78 categories changed hands · Moz climbed 20 places in marketing conferences · 108 categories left the AI models split. Every line below is computed from the frozen September 2026 edition and its predecessor. Nothing here is written by hand, and nothing is for sale.
New #1s · 12
Biggest risers
Biggest fallers
Notable entrants · new to the top 5
Where the AI models disagree
No agreement in home gym equipment: Peloton Cross Training Bike+ leads for ChatGPT, Bowflex Xtreme 2 SE for Claude, and 4 other picks split the rest.
No agreement in marketing podcasts: Marketing School leads for ChatGPT and Grok, HubSpot for DeepSeek, and 4 other picks split the rest.
Web design companies divides the AI models: 6 different top answers across the 7 we track, led by Squarespace (ChatGPT and DeepSeek).
No agreement in webcams: Logitech MX Brio Ultra HD 4K Webcam leads for ChatGPT and Copilot, Insta360 Link 2C for Claude, and 4 other picks split the rest.
Computer monitors divides the AI models: 5 different top answers across the 7 we track, led by ASUS ROG Swift OLED PG32UCDM Gen3 (Grok and Copilot).
Credit repair companies divides the AI models: 5 different top answers across the 7 we track, led by Credit Saint (ChatGPT, Claude and Perplexity).
Dog food divides the AI models: 5 different top answers across the 6 we track, led by Orijen Original Dry Dog Food (DeepSeek and Copilot).
Ergonomic office chairs divides the AI models: 5 different top answers across the 7 we track, led by Herman Miller Aeron (Claude and DeepSeek).
Closest races
Every claim above links to the frozen September 2026 record: the full ranking, the per-model splits, and every verbatim answer as captured. Rankings are computed from AI responses alone and are not for sale. Browse the September 2026 edition → Read the methodology →