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.
| Tool | Price | Models | Best for | Verdict | Action |
|---|---|---|---|---|---|
| Profound | Custom | ChatGPT, Claude, Gemini +6 | Enterprise | Conditional | Visit |
| Otterly.ai | — | ChatGPT, Perplexity, Google AI Overviews | SMB | Conditional | Visit |
| Peec AI | — | ChatGPT, Claude, Gemini +1 | SMB | Watch | Visit |
| SE Ranking (AI Visibility module) | — | ChatGPT, Perplexity, Google AI Overviews | Agency | Conditional | Visit |
| ZipTie.dev | — | ChatGPT, Perplexity, Claude | Solo | Watch | Visit |
| Athena HQ | — | ChatGPT, Claude, Gemini +1 | SMB | Watch | Visit |
| Frase | — | ChatGPT, Perplexity | SMB | Watch | Visit |
| HubSpot AI Search Grader | Free | ChatGPT, Perplexity | Solo | Recommended | Visit |
The tools
Profound
Conditional · 8.0/10Enterprise 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 · 7.5/10Brand monitoring across AI search engines for SMBs and agencies
- Starting at
- —
- Best for
- SMB
- Models monitored
- ChatGPT, Perplexity, Google AI Overviews
Peec AI
Watch · 7.0/10GEO platform focused on continuous LLM visibility tracking
- Starting at
- —
- Best for
- SMB
- Models monitored
- ChatGPT, Claude, Gemini, Perplexity
SE Ranking (AI Visibility module)
Conditional · 7.0/10Established 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 · 7.0/10Lightweight GEO tracking for technical operators
- Starting at
- —
- Best for
- Solo
- Models monitored
- ChatGPT, Perplexity, Claude
Athena HQ
Watch · 6.8/10GEO analytics platform for tracking brand presence in AI answers
- Starting at
- —
- Best for
- SMB
- Models monitored
- ChatGPT, Claude, Gemini, Perplexity
Frase
Watch · 6.5/10Content optimization platform with AI search visibility features
- Starting at
- —
- Best for
- SMB
- Models monitored
- ChatGPT, Perplexity
HubSpot AI Search Grader
Recommended · 6.5/10Free 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.