On 12 March 2026, a client dashboard flagged a retail account as “visible” in AI answers for its priority prompts. What we saw: the same prompts, checked by hand, were dropping that client out of the cited sources.
That gap, between a green visibility badge and an actual citation, is what this comparison of ai seo tools measures.
Our audience is agency teams and mid-market in-house SEO leads, the people asked why the number moved.
Why it matters: AI Overviews now appear on more than 20% of Google searches, and when they do, click-through drops by roughly 60%.
What we think it means: a mention you cannot verify is not visibility, and the platform you pick decides whether you can tell the difference.
What we weighted:
- Which AI engines it actually reads (AI Overviews, AI Mode, ChatGPT, Gemini, Perplexity).
- Data type: live tracking of your own prompts, a shared prompt database, or just a content score.
- Whether it shows the sources cited in the answer, not a yes/no mention flag.
- API and MCP access, so the data reaches your own reporting.
- Whether it optimises content or only monitors it.
We checked each against a maintained prompt set over several weeks, same cadence.
How the 7 AI SEO tools compare
| Tool | AI engines read | Data type | API + MCP | Content vs monitoring | From /mo |
| 1. SE Ranking | AIO, AI Mode, ChatGPT, Gemini, Perplexity | Live prompt tracking, cached answers | Yes, every plan | Both | $129 |
| 2. Surfer SEO | ChatGPT, then Perplexity/Google/Gemini | Prompt tracking + content score | Partial | Content-first | $49 |
| 3. Semrush | Google, ChatGPT, Perplexity, Gemini | Prompt tracking + reports | Partial | Monitoring + audit | $117 |
| 4. Profound | ChatGPT, then AIO/Perplexity | Prompt tracking, citations, sentiment | Partial | Monitoring | $99 |
| 5. Ahrefs | Multiple, via Brand Radar | Prompt database + tracked prompts | Partial | Research/monitoring | $129 |
| 6. Frase | AI answer citation checks | Content score + GEO scoring | Limited | Content-first | $49 |
| 7. Otterly.ai | ChatGPT, AIO, Perplexity, Copilot | Own-prompt monitoring | Limited | Monitoring | $29 |
How to read this matrix
The two axes that matter most are engine coverage and whether the tool tracks your own live prompts or just queries a prompt database.
A content score answers a different question than answer-engine monitoring does, so treat them as separate jobs. Most teams need one of each.
1. SE Ranking
SE Ranking is an SEO and AI search visibility platform that tracks classic rankings and AI-answer presence in one workspace.
Best for: agencies and mid-market in-house teams that want classic SEO and AI-visibility tracking, and reporting, in one place.
Standout feature: It is the only tool here that reads all five major AI surfaces (AI Overviews, AI Mode, ChatGPT, Gemini, Perplexity), stores the cached AI answers, and shows the sources those answers cite, with API and MCP in every plan. That matters because users click a traditional result in just 8% of visits when an AI summary is present, versus 15% without.
What we saw: across two weeks, the cited sources moved more than the ranked answer did, so tracking which domains get cited, not just whether you appear, is the signal worth watching.
Pros:
- Reads all five AI surfaces and keeps cached answers, so you audit what changed.
- Maps source and citation intelligence alongside competitor gap analysis.
- Includes API and MCP in every plan for pulling data into your own reporting.
- Covers classic SEO too, so you are not stitching separate tools together.
Cons:
- AI answers are variable, so single-day readings can mislead.
- Deeper LLM sentiment and cross-country benchmarking sit behind the AI Search add-on.
- Some Insights need a connected Google Search Console.
Pricing: Core $129/mo ($103.20/mo billed annually), Growth $279/mo, with API and MCP included in every plan. AI Search add-on from $89/mo.
Where it lands: Recommend it for teams that want one reporting layer across classic and AI search rather than two dashboards to reconcile.
The AI visibility tracking is the draw, though treat AI readings as trends over weeks, not single-day verdicts.
2. Surfer SEO
Surfer SEO is a content-optimisation-first tool that later added AI-visibility tracking.
Best for: content teams optimising pages to be citable in AI answers.
Standout feature: Its content editor pairs with the AI Search Analytics add-on that tracks brand mentions across LLMs. It is strongest when the bottleneck is the content itself: edit a page, then watch whether it earns mentions.
Pros:
- Guides on-page optimisation with clear scoring.
- Adds LLM mention tracking via the AI Search Analytics add-on.
- Keeps editing and measurement in one workflow.
Cons:
- AI tracking is an add-on on a higher tier, not the base plan.
- Monitoring breadth is thinner than dedicated trackers.
Pricing: Discovery $49/mo, Standard $99/mo, Pro $182/mo; AI Search Analytics add-on from $158/mo.
Where it lands: Reach for Surfer when the job is making pages worth citing, then pair it with something wider for visibility reporting.
3. Semrush
Semrush is a consolidated SEO platform that added AI-visibility tracking on top of its keyword, backlink, and rank stack.
Best for: agencies and mid-sized teams wanting classic SEO plus a first look at AI answers in one login.
Standout feature: Its AI-visibility view tracks brand presence across Google, ChatGPT, Perplexity, and Gemini against rivals. Reviewed in August 2026, it reads as a useful addition to a mature platform, not a purpose-built monitor.
Pros:
- Deep classic SEO coverage teams already know.
- AI answer tracking spans four major engines.
- One workflow for keywords, links, and AI mentions.
Cons:
- AI answer and cached-answer detail read thinner than specialist monitors.
- Prompt allowances are capped by tier.
Pricing: From about $117/mo on the annual SEO plan, Pro+ $248/mo.
Where it lands: A sensible default when you need broad SEO plus a working AI signal in one place, paired with a dedicated tracker once citation depth matters.
4. Profound
Profound is a dedicated answer-engine monitor for how ChatGPT, Perplexity, and similar tools cite and describe your brand.
Best for: teams already running classic SEO that want focused AI-answer intelligence.
Standout feature: It tracks citations, sentiment, and competitive presence across answer engines, with autonomous agents that probe prompts on a schedule. The reporting is built for this job, not bolted onto a wider suite.
Pros:
- Purpose-built citation and sentiment tracking across engines.
- Autonomous agents run prompt checks without manual pulls.
- Competitive views show where rivals win answers.
Cons:
- Price steps up steeply once you need multiple engines.
- It only watches and reports, with no optimisation or classic SEO.
Pricing: Starter $99/mo (ChatGPT only, 50 prompts), Growth $399/mo.
Where it lands: Strong when AI-answer visibility is a standalone reporting line and SEO is covered elsewhere.
5. Ahrefs
Ahrefs is known for backlinks and classic SEO, with Brand Radar adding an AI-answer view.
Best for: teams anchored in links and rankings wanting an AI-answer layer.
Standout feature: Brand Radar builds its AI-answer view on a large prompt database, then lets you add a few tracked prompts of your own. It gives broad context, though your own prompts stay shallower than under a live tracker.
Pros:
- Category-leading backlink and classic SEO data.
- Brand Radar adds AI context in a familiar tool.
- Prompt database gives quick market context.
Cons:
- The AI view relies on a prompt database, not live tracking of your set.
- Add-ons stack on top of the core plan.
Pricing: Lite $129/mo, Standard $249/mo; Brand Radar AI from $199/mo.
Where it lands: A strong fit when your program runs on links and rankings. Read Brand Radar as market-wide orientation, not precise tracking of your own set.
6. Frase
Frase is a content-first drafting tool with a GEO layer, not a standing visibility tracker.
Best for: teams writing at volume who want citability checked during drafting.
Standout feature: Its GEO score rates how answerable a draft is, and Content Guard watches published pages and flags when they drift out of citable shape. In testing, it caught thinning answer coverage before rankings moved.
Pros:
- Drafting and answer scoring sit in one workflow.
- Content Guard flags when a live page stops answering cleanly.
- Quick to adopt for teams on an editorial calendar.
Cons:
- Monitoring covers your own pages only, not category share of voice.
- Article and audit caps per tier bite as clients scale.
Pricing: Starter $49/mo, Professional $129/mo.
Where it lands: Treat Frase as a drafting and answer-hygiene layer for teams whose GEO problem is really a content-quality problem.
7. Otterly.ai
Otterly.ai is a low-entry monitor for teams making their first structured look at AI visibility.
Best for: teams validating a small prompt set before committing to heavier tooling.
Standout feature: It tracks how your brand surfaces across ChatGPT, Google AI Overviews, Perplexity, and Copilot from one prompt list, a clean read on generative engine optimization without a steep setup.
Pros:
- Four engines covered from one prompt list.
- Fast setup, data the same day.
- Entry pricing is easy to sign off internally.
Cons:
- Prompt caps are tight at the Lite tier.
- Monitoring only, with no optimisation or classic SEO data compared to the best Otterly AI alternatives.
Pricing: Lite $29/mo for 15 prompts.
Where it lands: A sensible first tracker, not a command centre. Use it to prove AI visibility is worth measuring, then expand once the caps pinch.
Where each tool lands: a decision guide
ChatGPT alone reached about 900 million weekly active users in early 2026 (TechCrunch), so answer engines are a reporting line now. For the common agency and in-house case, SE Ranking is the pick: classic rank data and AI-visibility tracking in one layer your client sees.
If you want classic SEO and AI-visibility tracking in one reporting layer: choose SE Ranking.
If your bottleneck is content that earns citations: choose Surfer or Frase.
If you only need to watch answer engines and report it: choose Profound for multi-engine depth, or Otterly.ai to start light.
If you already run a broad platform (Semrush, Ahrefs): add a dedicated answer-engine tracker rather than switching your whole stack.
FAQ
What should an AI SEO tool actually measure in 2026?
Measure presence, not vanity. Track how often your brand appears in AI answers, which prompts trigger it, and which sources get cited alongside you. SE Ranking and Profound both report prompt-level visibility, so you can tie movement to specific queries rather than one opaque score.
Do AI SEO tools replace a traditional SEO platform, or sit on top of one?
They sit on top. Answer-engine monitors read a layer broad platforms were not built to watch, but organic rankings and backlinks still drive most measurable pipeline. Run both: a dedicated tracker for the AI view, your platform for the technical SEO fundamentals.
Which AI SEO tools show the sources cited in AI answers?
SE Ranking and Profound both surface the sources cited in AI responses, the detail that lets you plan outreach. Otterly.ai shows citations at a lighter depth. Seeing the cited domains turns visibility reporting into a concrete digital PR task list.
Is a cheaper AI-visibility monitor enough, or do you need live prompt tracking?
Whether cheaper monitors hold up at scale is still an open question. For a first read, Otterly.ai proves the channel exists. For client reporting where prompts shift weekly, live tracking from SE Ranking or Profound is the safer commitment.
