Only someone who has run these tools on real sites will notice the gap between what they report and what actually changes citation rates. This comparison is written from that perspective — practitioner-tested, not drawn from vendor marketing pages.
The tools below are ranked by what they actually measure, their engine coverage, and the signal they give you about what to change — not by price or market share.
By William Bouch · Last updated September 27, 2026
Traditional SEO tools track Google rankings. AI visibility tools track something different: how often AI answer engines cite your brand when users ask questions. As AI-driven search captures more of the market, knowing your AI citation rate, competitor mentions, citation trends, and share of voice across LLMs is as important as knowing your Google rank.
The tools below fall into two categories: one-time analysis (deep audit of your current AI position) and ongoing LLM monitoring (continuous tracking of citation rates, competitor share of voice, and citation trends over time).
The key distinction: AI answer tracking tools measure how often you're cited (citation rate, share of voice, competitor mentions). AI-optimized content platforms analyze what to change in your content to improve those citations. Most brands need both — that's the difference between knowing you have a gap and knowing why.
Each tool below was evaluated using consistent criteria across a structured testing process:
| Tool | Type | Pricing | Engines Tracked | Best For |
|---|---|---|---|---|
| GIST Analyzer | One-time analysis | $149 | ChatGPT, Claude, Gemini, Perplexity | GIST algorithm scoring, competitive gaps |
| Promptwatch | SaaS monitoring | From $99/mo | ChatGPT, Claude, Gemini, Perplexity, Copilot, Grok, DeepSeek + more | Widest engine coverage, sentiment analysis, Reddit/YouTube tracking |
| SE Ranking Visible | SaaS monitoring | From $65/mo | ChatGPT, Gemini, Perplexity | Ongoing AI rank tracking at scale |
| Otterly.ai | SaaS monitoring | From $25/mo | ChatGPT, Gemini, Perplexity | Budget-friendly AI monitoring |
| Goodie | SaaS platform | Custom | ChatGPT, Claude, Gemini, Perplexity | Enterprise brand mention tracking |
| Nightwatch | SaaS monitoring | From $39/mo | ChatGPT, Gemini AI Overviews | SEO + AI tracking combined |
| Peec AI | SaaS optimization | From $49/mo | ChatGPT, Claude, Gemini, Perplexity | AI content optimization suggestions |
| AEOfix Source Map | One-time report | $59 | ChatGPT, Claude, Gemini, Perplexity | 150+ query citation baseline |
| Google Alerts | Manual monitoring | Free | Web index (indirect signal) | Free brand mention baseline |
| BrandMentions | SaaS monitoring | From $49/mo | Web, News, Social | Brand sentiment + share of voice |
| Mention.com | SaaS monitoring | From $41/mo | Web, Social, News, Forums | Real-time brand alerts |
The only tool that analyzes content against Google's GIST (Greedy Information Set Selection) algorithm principles. Rather than simply tracking whether you appear in AI answers, GIST Analyzer scores your content on the three dimensions that determine why AI engines select certain sources: Semantic Distance, Marginal Information Gain, and Referenceability.
Delivers a comprehensive PDF report with JSON data, competitive VIP (Very Important Pages) conflict radius analysis, and a prioritized action list. Best used as a diagnostic before implementing AEO changes.
Editorial disclosure: GIST Analyzer is an AEOfix product. It is included here alongside independently reviewed tools for comparison purposes.
The most engine-comprehensive AI visibility monitoring platform currently available. Tracks brand citations across 10+ LLMs — ChatGPT, Claude, Gemini, Perplexity, Copilot, Grok, DeepSeek, Meta AI, Mistral, and Google AI Overviews — with sentiment analysis on AI responses, competitor visibility comparison, and uniquely, Reddit and YouTube citation tracking. Claims 6,900+ brands and agencies on the platform with 1.11 billion citations tracked and a 4.7/5 G2 rating.
Built for marketing teams that want continuous monitoring across the full AI engine landscape. Includes AI-optimized content generation based on citation gap analysis. Entry-level plan covers 1 website with 50 tracked prompts — enough for a small brand's baseline monitoring.
Best pairing: Use Promptwatch for ongoing citation monitoring after AEOfix implements your AEO foundation. Promptwatch tells you when your citation rate changes — AEOfix tells you why and fixes it.
A dedicated AI visibility tracking platform from the established SE Ranking suite. Monitors brand mentions and citations across AI search engines with historical tracking, keyword-level data, and competitor benchmarking. Strong integration with SE Ranking's existing SEO toolkit.
An accessible AI search monitoring tool that tracks brand mentions across AI-generated answers. Otterly focuses on making AI visibility data easy to understand with clean dashboards and alert notifications when your citation status changes.
Built by the NoGood agency, Goodie is an AI brand mention tracker that monitors how AI engines reference your brand across responses. It covers all four major engines and provides sentiment analysis alongside citation tracking.
An established SEO rank tracker that has added AI search tracking capabilities. Nightwatch monitors your visibility in Google AI Overviews and ChatGPT responses alongside traditional SERP rankings, making it useful for teams that want both SEO and AEO data in one dashboard.
Focuses on the content optimization side of AI visibility. Peec AI analyzes your existing content and suggests changes to improve how AI engines interpret and cite it. More of an optimization tool than a tracking tool.
The simplest — and cheapest — starting point for brand mention tracking. Set up alerts for your brand name, domain, and key competitors, and Google emails you when new indexed content mentions them. While Alerts doesn't directly query AI engines, it surfaces brand mentions on the high-authority sites that AI engines most commonly source citations from, making it a useful free upstream signal.
A comprehensive brand monitoring platform that tracks mentions across the web, news, and social media with sentiment analysis and share-of-voice metrics. Useful for AI visibility strategy because many AI engines source citations from news articles and high-authority web pages that BrandMentions indexes — making it a strong upstream signal monitor to pair with a dedicated AI citation tool.
A real-time media monitoring tool tracking brand mentions across web, social, news, and forums. Like BrandMentions, Mention.com doesn't directly query AI engines, but it captures the upstream authority signals — press coverage, high-DA brand mentions — that feed AI citation decisions. Best used alongside an AI-specific tool like SE Ranking Visible or Otterly.ai.
Not a SaaS tool but a comprehensive one-time report. Tests 150+ industry-specific queries across all 4 AI engines and documents exactly where your brand is cited, where it isn't, and which competitors appear instead. Best used to establish a baseline before starting AEO work or to audit progress after implementation.
Editorial disclosure: AEOfix Source Map is our own product. It is included here alongside independently reviewed tools for comparison purposes.
Start with a free AI visibility check, then a one-time baseline (Source Map Report) + deep analysis (GIST Analyzer) to understand your current position before paying for ongoing monitoring.
Cost: Free check, then $208 one-time
After implementing AEO changes, add AEOfix's own Access/Visibility monitoring ($39–$99/mo) or a third-party tool like Otterly to track citation rates over time and catch regressions.
Cost: $25–99/mo ongoing
Combine SE Ranking Visible for scale tracking with periodic GIST analyses to optimize content strategy. Consider Goodie for brand sentiment tracking.
Cost: $65+/mo + periodic analysis
Before spending on SaaS, build a free monitoring baseline using these zero-cost methods. They won't replace dedicated AI citation tracking, but they'll tell you whether you have a visibility problem worth paying to fix.
The most direct method. Open ChatGPT, Perplexity, Claude, and Gemini. Run 10–15 queries your target customers would ask. Record which engines cite you, which cite competitors, and which return generic answers with no citation.
Query protocol
Cost: Free. Time: ~30 minutes. Repeat monthly to track trends.
GSC doesn't directly track AI engine citations, but it's the best free proxy available. Filter your Performance report by Search Appearance → AI Overviews to see which queries trigger Google's AI-generated summaries that include your content. A high AI Overview impression rate on a query is a strong signal that your content is being parsed by AI systems.
What to look for
How to access
Cost: Free with any verified GSC property. Best for: Google AI Overviews coverage only.
Set up Google Alerts for your brand name, key service terms, and top competitors. AI engines overwhelmingly cite high-authority sources — news, industry publications, Wikipedia. Alerts tell you when those sources mention you, which is an upstream signal of improving AI citation probability.
Alerts to create
"[Your Brand Name]" — direct brand mentions[yourdomain.com] — backlink + citation tracking"[Competitor Brand]" — competitor authority monitoring[your primary keyword] — industry topic coverageCost: Free. Limitation: Doesn't track AI-specific citations — use as upstream signal only.
Score your content against the GIST algorithm's three dimensions manually. This isn't as precise as a full GIST analysis, but it identifies obvious gaps without any tool cost.
Semantic Distance
Marginal Info Gain
Referenceability
Score 0–4 in each dimension. Any dimension scoring below 2 is a priority fix. For a full scored GIST analysis, see our GIST Analyzer service.
Start free. A Source Map Report shows your current AI citation status across 150+ queries, and a GIST Analysis shows why you rank where you do.