Rank Prompt vs Peec AI vs Otterly: The AEO Tracker Showdown 2026

Three answers to "am I showing up in ChatGPT?" Answer engine optimization (AEO) did not exist as a category two years ago. By 2026 it has three credible tools, half a dozen also rans, and one question every founder and marketer asks quietly: when a prospect asks ChatGPT, Claude, Perplexity, or Gemini for "the best tool for X" — does my brand appear in the answer? The three tools that answer that question well are Rank Prompt, Peec AI, and Otterly — and they answer it at three different price points, with three different depths, for three different personas. Rank Prompt answers the question at $29/mo entry, covering all four major assistants from the Starter tier, with competitor auto detection and a clean share of voice dashboard. It is the cheapest sharp tool in the category and the honest first choice for solo marketers, bootstrapped SaaS founders, and in house heads of growth without an enterprise budget. Peec AI answers the same question at $99 $300/mo with agency grade PDF exports, deeper brand level attribution, and the polish an agency needs to present findings to a client. It is the correct choice for agencies, consultancies, and larger in house teams where the reporting artifact matters as much as the underlying data. Otterly answers a subtly different question at $29 $179/mo — it goes further on source level citation analysis, which pages the model pulled from, and how the citation graph shifts over time. It is the correct choice for content…