The Answer Engine Report
Last updated May 5, 2026

The Answer Engine Report

An independent directory of GEO (Generative Engine Optimization) tools — the platforms that track, measure, and improve how a brand appears in answers from ChatGPT, Claude, Gemini, Perplexity, and Grok.

Built for marketers, agencies, and SEO professionals evaluating the category. Pricing is verified at the source. Reviews are opinionated. No tool gets a higher score because we're an affiliate.

Comparison at a glance

8 tools tracked. Sorted by editorial score.

ToolPriceModelsBest forVerdictAction
ProfoundCustomChatGPT, Claude, Gemini +6EnterpriseConditionalVisit
Otterly.aiChatGPT, Perplexity, Google AI OverviewsSMBConditionalVisit
Peec AIChatGPT, Claude, Gemini +1SMBWatchVisit
SE Ranking (AI Visibility module)ChatGPT, Perplexity, Google AI OverviewsAgencyConditionalVisit
ZipTie.devChatGPT, Perplexity, ClaudeSoloWatchVisit
Athena HQChatGPT, Claude, Gemini +1SMBWatchVisit
FraseChatGPT, PerplexitySMBWatchVisit
HubSpot AI Search GraderFreeChatGPT, PerplexitySoloRecommendedVisit

The tools

Profound

Conditional · 8.0/10

Enterprise GEO tracking across major LLMs

Starting at
Custom
Best for
Enterprise
Models monitored
ChatGPT, Claude, Gemini, Perplexity, Grok, Google AI Overviews, Copilot, DeepSeek, Meta AI

Otterly.ai

Conditional · 7.5/10

Brand monitoring across AI search engines for SMBs and agencies

Starting at
Best for
SMB
Models monitored
ChatGPT, Perplexity, Google AI Overviews

Peec AI

Watch · 7.0/10

GEO platform focused on continuous LLM visibility tracking

Starting at
Best for
SMB
Models monitored
ChatGPT, Claude, Gemini, Perplexity

Established SEO suite with an AI Visibility add-on for tracking LLM mentions

Starting at
Best for
Agency
Models monitored
ChatGPT, Perplexity, Google AI Overviews

ZipTie.dev

Watch · 7.0/10

Lightweight GEO tracking for technical operators

Starting at
Best for
Solo
Models monitored
ChatGPT, Perplexity, Claude

Athena HQ

Watch · 6.8/10

GEO analytics platform for tracking brand presence in AI answers

Starting at
Best for
SMB
Models monitored
ChatGPT, Claude, Gemini, Perplexity

Frase

Watch · 6.5/10

Content optimization platform with AI search visibility features

Starting at
Best for
SMB
Models monitored
ChatGPT, Perplexity

HubSpot AI Search Grader

Recommended · 6.5/10

Free one-shot tool for checking how a brand shows up in major LLMs

Starting at
Free
Best for
Solo
Models monitored
ChatGPT, Perplexity

Frequently asked questions

What is GEO (Generative Engine Optimization)?
GEO is the practice of measuring and improving how a brand or website appears in answers generated by large language models — ChatGPT, Claude, Gemini, Perplexity, and similar systems. It overlaps with traditional SEO but tracks citation, mention, and recommendation rather than rank.
How is GEO different from traditional SEO?
Traditional SEO measures position in a list of blue links. GEO measures whether a brand is named, cited, or recommended inside a generated answer. The metrics, the contributing signals, and the tactics overlap with SEO but are not identical.
Which LLMs do these tools monitor?
Coverage varies. Most monitor ChatGPT and Perplexity. Better tools cover Claude, Gemini, and Grok. Frequency of polling, prompt count limits, and how mentions are extracted are where vendors actually differ.
Are GEO tools worth paying for in 2026?
If you're a brand spending meaningfully on content or PR, yes — they're the only way to know if any of it is reaching LLM answer surfaces. For a solo creator or small business with no LLM-visibility goals, free tools like HubSpot's AI Search Grader are usually enough to start.
How accurate is the data these tools report?
All of them sample. None of them see the same answer surface a real user does, because LLM outputs are stochastic and personalized. Treat the numbers as directional, not absolute. The trend over time is more reliable than any single data point.
How is this directory updated?
Pricing and feature data are reviewed monthly. Editorial reviews are revisited when a tool ships a major release or pricing change. The last updated date at the top of the page reflects the most recent change across any tool's record.
Does this site earn affiliate commissions?
Yes — when a tool offers a partner program and we've been approved, we link through it and may earn a commission. Affiliate status does not influence the ranking, score, or verdict on any review. See the methodology page for the full disclosure.
Why are some reviews marked as drafts?
When the operator hasn't yet personally tested or written about a tool, the review carries a draft flag. Frontmatter (pricing, models covered) is verified, but the prose body is a placeholder until first-hand evaluation is complete.