Content Marketing Platforms AI visibility trends show how entity AI Index scores have moved across 2 completed public Grok leaderboard snapshots from Aug 14, 2026 to Aug 22, 2026.
HubSpot Content Hub leads the latest Grok snapshot with a 91.5 AI Index and 93% mention rate.
HubSpot Content Hub is down 0.8 AI Index points across the visible window, moving from 92.3 to 91.5 on Grok.
The chart currently compares StoryChief. 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.
StoryChief ranking and static AI visibility queries should use the base entity page. This trend page is for StoryChief AI visibility trend, ranking history, and movement over time.