AI Writing Agent AI visibility trends show how entity AI Index scores have moved across 3 completed public ChatGPT leaderboard snapshots from Apr 22, 2026 to Apr 28, 2026.
Jasper leads the latest ChatGPT snapshot with a 91.7 AI Index and 92% mention rate.
Jasper is up 44.7 AI Index points across the visible window, moving from 47 to 91.7 on ChatGPT.
The chart currently compares HyperWrite. 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.