Most "AI marketing analytics" tools in 2026 are read-only chat layers stacked on top of existing dashboards. They answer questions about your data. They cannot do anything about it. The category has been growing fast, but the meaningful shift this year is the move from agents that describe campaign performance to agents that can actually pause underperformers, scale winners, and launch new ads with confirmation gates. This is the buyer's question that matters in 2026: not "does this tool have AI" (most do, in some form) but "can the AI actually execute the work I would otherwise do by hand?" The answer separates 12 tools into four tiers, and the Admaxxer Claude AI ads agent sits in the top tier because it is the only mainstream marketing analytics platform whose agent ships destructive tools with explicit confirmation gates. This guide compares 12 AI marketing analytics tools across capability tier, underlying model, bring-your-own-key (BYOK) support, starting price, and best-fit profile.…