AI Customer Support Platforms AI visibility trends show how entity AI Index scores have moved across 2 completed public Grok leaderboard snapshots from Apr 28, 2026 to Aug 22, 2026.
Sierra leads the latest Grok snapshot with a 91.6 AI Index and 93% mention rate.
The chart currently compares ultimate.ai. 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 Customer Support 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.
ultimate.ai ranking and static AI visibility queries should use the base entity page. This trend page is for ultimate.ai AI visibility trend, ranking history, and movement over time.