Content Marketing Platforms AI visibility trends show how entity AI Index scores have moved across 2 completed public ChatGPT leaderboard snapshots from Aug 14, 2026 to Aug 22, 2026.
HubSpot Content Hub leads the latest ChatGPT snapshot with a 88.1 AI Index and 89% mention rate.
HubSpot Content Hub is down 2.3 AI Index points across the visible window, moving from 90.4 to 88.1 on ChatGPT.
The chart currently compares HubSpot Content Hub, Contently, Semrush Content Marketing. Use the entity filters to separate durable visibility trends from one-off ranking movement in a single AI engine.
Read this trend alongside the main Content Marketing Platforms leaderboard and entity pages: the trend view explains historical movement, while ranking pages show the latest cross-entity position, mention rate, and score gap.
Content Marketing Platforms AI ranking queries should use the base collection page. This trend page is for Content Marketing Platforms ranking trend, history, and movement over time.