The AI-visibility category is bought through comparison. Here is the honest version, where each tool genuinely wins, and the one axis AuthorityOn.ai owns: turning the measurement into a prioritised plan, for credibility-led brands.
Every capability the buyer's spreadsheet usually scores, across the four tools you'll shortlist us against. Drawn from publicly-listed features as of May 2026 — tell us if we've mis-stated yours and we'll correct it.
| Capability | AuthorityOn AIUs | Profound | Semrush AI Visibility | Ahrefs Brand Radar |
|---|---|---|---|---|
| Coverage | ||||
| LLM models scanned per scan | 8 | 4 | 3 | 2 (beta) |
| Prompts per scan | 200+ | ~30 | Keyword-derived | Variable |
| Scan cadence | Weekly + drift alerts | Weekly | On-demand | Polling |
| What's measured | ||||
| Spontaneous recommendation rateOnly us | Partial | |||
| Head-to-head win rateOnly us | ||||
| Drift over timeOnly us | Partial | Partial | ||
| Sentiment / polarity per mentionOnly us | Partial | Partial | ||
| Source attribution | Partial | |||
| Tracked beyond the brand | ||||
| Products and sub-brandsOnly us | Partial | |||
| Executives and thought leadersOnly us | ||||
| Campaigns and eventsOnly us | ||||
| Topic leaderboards | Partial | |||
| Earned-authority audits | ||||
| Website audit (technical GEO) | Separate add-on | Separate add-on | ||
| Content audit (citability)Only us | ||||
| Social audit (cross-channel)Only us | ||||
| AI-crawler discovery (GPTBot etc.)Only us | Partial | |||
| Output and entry | ||||
| Prioritised action listOnly us | ||||
| Sector-aware recommendationsOnly us | NGO, gov, SaaS, public figure | |||
| Methodology publishedOnly us | Partial | |||
| Custom prompts | Growth and up | Enterprise | ||
| White-label / agency tierOnly us | Agency tier | |||
| Cheapest paid tier | €49 / mo | Enterprise-only | Bundled in Semrush | Bundled in Ahrefs |
The closest direct competitor, real prompts, run weekly. Where the action plan and multi-entity tracking pull ahead.
Read the comparisonAn add-on to a vast SEO suite. Real prompts vs keyword-estimated visibility, and a product built for this, not a bolt-on.
Read the comparisonEarly-beta AI coverage on top of SEO data. Up to 8 models vs 2, real prompts vs crawled mentions.
Read the comparison