AI Chat Agents AI visibility trends show how entity AI Index scores have moved across 5 completed public ChatGPT leaderboard snapshots from Apr 22, 2026 to Jun 27, 2026.
ChatGPT leads the latest ChatGPT snapshot with a 95.2 AI Index and 96% mention rate.
ChatGPT is down 2.8 AI Index points across the visible window, moving from 98 to 95.2 on ChatGPT.
The chart currently compares Gemini. 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 Chat Agents leaderboard and entity pages: the trend view explains historical movement, while ranking pages show the latest cross-entity position, mention rate, and score gap.
ChatGPT