AI Writing Agent AI visibility trends show how entity AI Index scores have moved across 4 completed public Grok leaderboard snapshots from Apr 23, 2026 to Aug 12, 2026.
Grammarly leads the latest Grok snapshot with a 93 AI Index and 93% mention rate.
Grammarly is down 4 AI Index points across the visible window, moving from 97 to 93 on Grok.
The chart currently compares Moonbeam. 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 AI Writing Agent leaderboard and entity pages: the trend view explains historical movement, while ranking pages show the latest cross-entity position, mention rate, and score gap.
Moonbeam ranking and static AI visibility queries should use the base entity page. This trend page is for Moonbeam AI visibility trend, ranking history, and movement over time.
Gemini