Lumen AI vs Ahrefs Brand Radar
Brand Radar is strong for researching which pages AI cites and tying that to search demand. But it's a research database, not a repeatable tracker — its own reviews say so — it has no client reporting, and it's billed on top of an Ahrefs subscription.
Ahrefs Brand Radar does some things well: depth on citations and cited domains, and a view linking AI visibility to real search demand. If you already live in Ahrefs and want that data next to your keywords, it makes sense. But for an agency that needs to check several clients' AI visibility every week and send them a report, Brand Radar falls short: its own reviews call it "an exploratory research database rather than a rank tracker", it has no white-label reporting, and the real cost — the AI index plus a base Ahrefs plan — runs about $828/mo. Lumen is built for that repeatable, multi-client job, from $50/mo.
Start free| Lumen AI | Ahrefs Brand Radar | |
|---|---|---|
| Entry price | $50/mo (Agencia Starter), standalone | Custom Prompts from ~$50/mo with small allowances (5–20); the AI Visibility Index is $199/mo per engine |
| Real cost for serious coverage | $50–100/mo | ~$828/mo (Lite + full index), before extra seats |
| Requires a base suite subscription | No | Yes — an Ahrefs plan ($129–449/mo) |
| Client profiles | Unlimited | Per-project caps and per-seat pricing |
| Built as a repeatable weekly tracker | Yes | No — "exploratory research database" (per its reviews) |
| White-label client reports | Yes | No — "no client-ready output; assemble it manually" |
| AI engines | ChatGPT and Gemini (base); +Perplexity, Claude, AI Overviews, Copilot on higher plans | AI Overviews, AI Mode, Gemini, Perplexity, ChatGPT, Copilot; Claude only via custom prompts and costs 8× |
| Spanish/Portuguese and LATAM per-country | Native and per-country | Not specified; "country" is derived from the query mix in Ahrefs' Google keyword database, not real AI usage |
| Sentiment | Yes | Reported by reviews; not emphasized on their site |
| Citations and cited pages | Yes (Authority Sources) | Yes — one of its strengths |
| Generates content to improve | Yes | No — "no briefs, no scoring, no writer handoff" |
| Executes fixes (IndexNow, Bing) | Yes | No |
| Payment | MercadoPago and card | USD card |
A tracker, not a research database
Brand Radar is built to explore, not to run a weekly check across a client roster — its own reviews say so. Lumen is built for exactly that: the same prompts, every week, with a report you send the client.
Without paying for Ahrefs underneath
For serious AI coverage, Brand Radar takes you to ~$828/mo between the index and a base Ahrefs plan, plus per-seat pricing. Lumen is standalone from $50/mo: you pay for AI monitoring and nothing else.
White-label reports included
With Brand Radar, every client report is manual assembly. Lumen exports reports under your brand ($40 pack, included in higher plans).
Real language and country
In Brand Radar, localization mirrors the share of queries by country in Ahrefs' Google keyword database, not real AI usage. Lumen's prompts are written and run in each country's Spanish and Portuguese.
Where Ahrefs is still ahead (and we'll say it)
Brand Radar has a strong brand, real depth on cited pages for digital PR, and a view connecting AI visibility to search demand. If that's your priority and you already use Ahrefs, it's a valid choice. If you need a multi-client tracker with reporting and execution, Lumen is the better fit.