Tools compared

HubSpot AEO vs Profound vs Semrush: which one?

For most marketing teams, the cheapest honest answer is the add-on you already half-own: HubSpot's AEO Grader if you run on HubSpot, Semrush AI Toolkit if you run on Semrush. Profound only earns a second invoice once a team is large enough to read conversation-level analytics every week and the budget can absorb its steeper tiers.

By Reflexa Technologies — the team building Reflexa, the agent that works on your site · November 4, 2026

In brief

These three sit inside the wider market this site tracks in the 10 best AI visibility tools in 2026, our pillar comparison of the category. This page narrows the question to the one a marketing team already paying for HubSpot or Semrush actually has to answer: use the add-on, or pay again for a specialist like Profound.

What does each of these three tools actually show you?

HubSpot's AEO Grader hands you a one-time brand-description snapshot, Semrush AI Toolkit layers AI-answer share of voice onto the SEO data you already pull, and Profound reports a composite visibility score with conversation-level analytics. Here is how the three line up, alongside Reflexa as the reference point for what a raw-answer, fix-it tool looks like instead:

ToolEngines checked (as published)What it showsRaw AI answer as evidenceFixes the siteStarting price
HubSpot AEO GraderChatGPT, Perplexity, Gemini — no ClaudeOne-time brand-description snapshot; ongoing monitoring inside HubSpotSnapshot onlyNoFree; ~$50/mo monitoring
Semrush AI ToolkitAI Overviews, AI Mode, ChatGPT and Perplexity; Gemini on some tiers; no ClaudeShare of voice and sentiment, next to your existing Semrush SEO dataPartlyNo~$99/mo add-on (requires an existing Semrush plan, from ~$130/mo)
ProfoundChatGPT, Perplexity and Google AI Overviews on entry tiers; a wider set reported on higher tiersComposite visibility scores and conversation-level analyticsPartlyNo~$99/mo; reportedly $399/mo for wider coverage
ReflexaChatGPT, Claude, PerplexityRaw AI answer and its sources attached to every findingYesYes, on approval$49/month, first check free

Proof: HubSpot and Semrush figures above reflect what our pillar comparison, the 10 best AI visibility tools, already states from each vendor's own published tier information; Profound figures reflect the same source and our dedicated Semrush AI Toolkit page. This run did not re-open each vendor's own pricing page, so treat every figure as a starting point and confirm the current number on the vendor's own site before buying.

Note: engine lists above are each vendor's own published tier limits, not a claim about what the underlying system can technically query. Confirm the current list on the vendor's own site, since tiers change.

What does the add-on you already half-own give you, and what does it miss?

It gives you an AI-visibility read inside the tool your team already opens, at a fraction of a standalone tracker's price, but both add-ons leave Claude out and stop at a summary number. HubSpot's Grader check is free, with monitoring reported at about $50/month inside the platform, but it is explicitly a snapshot: a one-time description of how your brand reads to ChatGPT, Perplexity and Gemini, not a running count against named competitors on a buyer's real question. Semrush AI Toolkit, reported at about $99/month on top of a plan most SEO teams already carry, puts AI-answer share of voice next to the keyword data the team already reads, but its unit of analysis stays close to the keyword, so a share-of-voice number moves without saying which sentence or competitor cost you the mention. Neither edits a page, writes a title, or applies a fix.

Why it matters: for a team not yet treating AI visibility as its own weekly discipline, the add-on is the cheapest way to find out whether it should be one. It will not tell you, in a sentence, which specific answer you lost and why.

When is a specialist tool worth a second invoice?

Once a marketing team is large enough to have someone read conversation-level detail every week, and the budget can absorb an entry price reported around $99/month that climbs toward $399/month for wider engine coverage. Profound is the tool most often named when larger brands compare the category, with real analytics depth on conversation flows and an agent-traffic view of AI crawlers hitting the site. That depth is wasted on a team that checks AI visibility once a month; it earns its price on a team that treats it like a weekly metric with someone assigned to act on it.

Team shapeLikely fit
Already on HubSpot, nobody dedicated to AI visibility yetStart with the free Grader check
Already on Semrush for SEO, want AI answers alongside itAdd the AI Toolkit before buying a separate tool
Dedicated team, weekly review, budget for a specialistProfound, read alongside the add-on you already have
Any of the above, wants the site itself to changeAdd Reflexa; none of the three applies a fix

Bottom line: buy the add-on first, because it is nearly free next to what you already pay. Buy a specialist only once someone's actual job is reading its output every week.

How often does each one get named when buyers ask AI which tool to use?

We asked ChatGPT, Claude and Perplexity 100 real buyer questions about AI visibility tools in September 2026 and counted the names across all 300 answers. Profound was named in 94 of 300 answers and Semrush in 67. HubSpot's AEO Grader was not one of the named tools in that run, so we are not inventing a count for it here; its visibility in that specific count simply was not measured, which says nothing about how good the free check itself is.

ToolAnswers naming it (of 300)
Profound94
Semrush AI Toolkit67
HubSpot AEO Gradernot covered in this run

Proof: Reflexa AI Visibility Index, September 2026 (100 buyer questions about AI visibility tools, 3 engines, 300 observed answers, counted by name).

Read it as rank, not market share: Profound's name recognition in this category runs ahead of Semrush AI Toolkit's, which tracks each tool's broader reputation more than either one dominating outright.

Where does Reflexa fit next to these three?

Reflexa is not a fourth dashboard for this same job; it is the agent that acts on what any of these three would tell you. It measures ChatGPT, Claude and Perplexity with the raw answer and sources attached to every finding, and then, on your approval, it writes the title, the FAQ or the corrected fact and applies it on WordPress, a coded site, Shopify, Webflow or a connected GitHub repository. A marketing team keeping the HubSpot or Semrush add-on for its reporting, and adding Reflexa for the fixing, is a normal stack, not a redundant one; the sentence that decides it is that none of HubSpot's Grader, Semrush AI Toolkit or Profound edits a single page.

Bottom line: Reflexa is usually bought in addition to a tracker like these three, not instead of one.

What to do this week

You can work out which of the three you need without buying anything new yet:

Keep reading

Frequently asked questions

Is HubSpot's AEO Grader free?

The one-time Grader check is free. Ongoing monitoring inside HubSpot is reported at about $50/month, which is far cheaper than a standalone tracker, but it checks ChatGPT, Perplexity and Gemini only and shows a brand-description snapshot, not a full evidence log.

Do I need Semrush already to use the AI Toolkit?

Yes. Semrush AI Toolkit is sold as an add-on reported at about $99/month on top of an existing Semrush plan starting around $130/month, not as a standalone product. A team with no other reason to pay for Semrush is buying two subscriptions for one view.

When is Profound worth buying instead of the HubSpot or Semrush add-on?

When the team is large enough to have someone read conversation-level analytics every week, and the budget can absorb an entry price reported around $99/month that climbs toward $399/month for wider engine coverage. For most small and mid-size teams the add-on they already half-own is the cheaper starting point.

Which of the three shows the actual AI answer, not just a score?

None fully. HubSpot's Grader gives a one-time snapshot, Semrush AI Toolkit reports share of voice and sentiment, and Profound reports composite scores with partial detail. All three are closer to a dashboard number than a full transcript of what the engine said.

Where does Reflexa fit next to these three?

In a different category. Reflexa measures ChatGPT, Claude and Perplexity with the raw answer and sources attached to every finding, and then applies the fix, on your approval, to the site itself. It is usually bought in addition to a tracker like these three, not instead of one.

See the answer behind the score. Free, in 3 minutes.

The free check reads your pages the way ChatGPT, Claude and Perplexity read them — 23 structural checks, evidence attached, no card needed.

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