Promptwatch vs Ahrefs Brand Radar (2026): which tracks AI visibility better?
Ahrefs Brand Radar is an AI mention research index; Promptwatch is a prompt-level AI visibility platform. Accuracy, engines, pricing, and buyer fit compared.
Quick verdict
Brand Radar is a research database. It points the Ahrefs index at AI answers and returns category-level share of voice across a very large set of modeled prompts. Promptwatch is a tracker: it follows the prompts you pick across engines and ties them to crawler logs and conversions. On the question in the title, which one tracks AI visibility better, the answer is Promptwatch. Brand Radar is a useful research add-on for teams that already pay for Ahrefs.
Side by side
| Promptwatch | Ahrefs Brand Radar | |
|---|---|---|
| Category | AI visibility platform | SEO suite with AI tracking |
| Starting price | Free Explore tier; paid from $95/mo | Ahrefs base plan from $129/mo, plus $199/mo per AI index |
| Cost of full engine coverage | Every paid plan runs all engines | $699/mo for the six-index bundle, on top of the base plan |
| Engines covered | Paid plans: ChatGPT, Gemini, Claude, Perplexity, Grok, Llama, DeepSeek, Mistral, Copilot, AI Overviews, AI Mode | ChatGPT, Perplexity, Gemini, Copilot, AI Overviews, AI Mode; no Claude, Grok, or Meta AI in native indexes |
| Where prompts come from | Prompts you track, with search volumes, difficulty scores, query fan-outs | 260 to 405 million prompts modeled from Google keyword and People Also Ask data; custom prompts +$50/mo per 2,500 checks |
| Crawler logs | Agent Analytics from Professional ($245/mo, 25M logs) | Not published |
| Visitor analytics | AI-referred traffic and conversions via script or GTM | Not published |
| Content generation | Content Agents publish to Webflow, Framer, WordPress; automated from Business ($579/mo) | Not in Brand Radar; you pivot to Ahrefs' content and link tools |
| Agency plans | Kick-off $199, Growth $399, Scale $799 per month | No white-label or per-client structure |
| Best for | Operational tracking with attribution | Directional AI-mention research at index scale |
Where Brand Radar wins
Scale, for a specific kind of question. If you want to know whether your brand's AI presence is growing across a category, or who dominates citations in your market, a corpus of hundreds of millions of modeled prompts covers more ground than any hand-picked prompt list. Our Ahrefs Brand Radar review calls it useful research for exactly that.
The pivot is the other strength. When a competitor's page is cited and yours isn't, that page is one click from its backlink profile and content gaps in standard Ahrefs. Standalone GEO tools don't have the Ahrefs link index behind them, and for an SEO team whose fixes are mostly links and content, that path is convenient.
If you already pay for Ahrefs, a single index at $199/mo is a modest add for quarterly competitive research.
Accuracy is the problem for tracking
Our Brand Radar listing documents an independent January 2026 test in which Brand Radar reported 3 ChatGPT brand mentions for a site where manual checks verified 123. That is an undercount of roughly 97%. The listing attributes it to snapshot methodology and to prompts modeled from Google keywords, which don't reflect how people actually phrase questions to a chatbot.
Refresh cadence adds to it. The chatbot indexes update on roughly monthly snapshot cycles, so week-to-week movement doesn't show up. For research that's tolerable. For tracking whether last Tuesday's page update earned a citation, it isn't.
Where Promptwatch wins
Promptwatch is built for that second use. You choose the prompts, and each one carries a search volume, difficulty score, and query fan-outs. Monitoring runs on real platform interfaces rather than relying only on APIs. Prompt trends show how visibility moved and what changed between checks, so a drop comes with context.
Engine coverage is wider on every paid plan, including Claude and Grok, which are missing from Brand Radar's native indexes.
Then the layers Brand Radar doesn't publish. Agent Analytics reads your crawler logs through Cloudflare, CloudFront, Fastly, Vercel, Netlify, Akamai, Google Cloud CDN, or custom HTTP, and shows which pages ChatGPTBot, ClaudeBot, PerplexityBot, GoogleOther, and the Meta AI crawler fetched, plus the crawl-to-citation path. Visitor analytics connect AI-referred sessions to conversions. Citation analytics separate page, domain, Reddit, YouTube, and offsite sources.
And Content Agents turn content gaps into drafts you approve in a review inbox before they go to Webflow, Framer, or WordPress. Brand Radar hands you to the rest of Ahrefs and leaves the writing to you.
Pricing compared
Brand Radar stacks on an Ahrefs subscription:
- Ahrefs base plan: from $129/mo.
- One AI index: $199/mo. One index covers one engine.
- All six indexes: $699/mo.
- Custom prompts: +$50/mo per 2,500 checks.
Our listing puts a realistic full configuration at $828 to $1,148/mo or more. Promptwatch Professional is $245/mo with all engines, 150 prompts, and 25M crawler logs. Business is $579/mo with 350 prompts, 10M visitor events, the automated Content Agent, and state and city tracking.
For agencies the difference is larger. Brand Radar has no client structure, and our listing estimates a ten-client agency would face $8,000/mo or more. Promptwatch's agency Scale plan is $799/mo with unlimited projects and prompts, 65,000 responses, and 100M crawler logs.
Who should pick which
Pick Ahrefs Brand Radar if you're an Ahrefs-native SEO team doing periodic competitive research, you care about category trends more than exact counts, and the link-index pivot is how you plan to act.
Pick Promptwatch if:
- You need prompt-level numbers you can report week to week.
- You need Claude or Grok in the data.
- You want to know whether AI crawlers read a page and whether AI visitors converted.
- You manage several clients and need per-client projects.
The two can coexist: Brand Radar for occasional market research inside Ahrefs, Promptwatch for the tracking you report on. See the full ranking or Ahrefs Brand Radar alternatives for other options.
FAQ
Is Brand Radar included in an Ahrefs plan?
No longer. It needs an Ahrefs base plan from $129/mo plus $199/mo per AI index, or $699/mo for all six.
How accurate is Brand Radar for ChatGPT mentions?
Treat it as directional. The independent January 2026 test in our listing found 3 reported mentions against 123 verified manually.
Does Brand Radar track Claude?
Not in its native indexes, which also leave out Grok and Meta AI. Promptwatch tracks Claude and Grok on every paid plan.