Knownwise vs Ahrefs Brand Radar
Ahrefs Brand Radar is a research tool first: its index of 481 million prompts lets you benchmark any brand with no setup, across six AI surfaces. Tracking your own prompts costs extra, Claude uses eight times the checks, and there is no trial. Knownwise is a monitoring tool first: your own buyer questions on ChatGPT, Claude, Gemini and Perplexity from $49, every answer kept with a stability marker, and fixes sent as pull requests from Pro.
Prices and features checked on October 16, 2026 on each vendor's own pages.
Side by side
| What you get | Knownwise | Ahrefs Brand Radar |
|---|---|---|
| Cheapest paid plan | Starter, $49 a month | Brand Radar from $199 a month; 5 custom prompts in Ahrefs Lite ($129) |
| Assistants on that plan | Yes: ChatGPT, Claude, Gemini and Perplexity | Yes: AI Overviews, AI Mode, ChatGPT, Perplexity, Copilot and Gemini |
| Claude on that plan | Yes: Included | Partly: Custom prompts only, at 8 checks per update |
| How often prompts run | Partly: Weekly on Starter | Yes: Daily, weekly or monthly |
| Brands on that plan | 1 brand | Set by the Ahrefs plan |
| Free look before paying | Yes: Instant check with no account: three buyer questions on ChatGPT and Perplexity | Yes: Free AI visibility checker, no signup (top results only) |
| Trial | Yes: 14-day Pro trial | No: No trial |
| Full answers with their sources | Yes: Every answer kept word for word, with the pages it cited | Yes: Raw responses stored and searchable |
| How steady a result is across runs | Yes: A marker on every prompt over its last four runs | No: Not shown |
| Says which web search each assistant used | Yes: Each assistant answers with its own web search, and the plan says so | Partly: Public web interfaces; Claude through its API with web search |
| MCP server for your AI client | Yes: Every plan: Free reads, paid plans can make changes | Partly: Ahrefs plans from Lite; reads data |
| Fixes on your website | Yes: Site audit with the exact fix; from Pro, fixes arrive as pull requests on your GitHub repository and you merge them | Partly: Site audit; Patches rewrite titles and meta descriptions ($200 per project add-on) |
| Search Console and GA4 | Yes: Both, on paid plans | Partly: Search Console |
The short answer
Pick Ahrefs Brand Radar if
- You want to size up any brand or market without writing prompts.
- You need AI Overviews, AI Mode and Copilot as well as ChatGPT and Gemini.
- You already use Ahrefs for SEO and want it in the same suite.
- You want a free checker with no limit on brands.
Pick Knownwise if
- You track your own buyer questions and need Claude at the normal price.
- You want to start at $49 a month with a trial.
- You want each result's stability, not a 90-day average.
- You want fixes in your own repository, not only title and meta rewrites.
Pricing compared
Brand Radar's AI add-on starts at $199 a month, and all models cost $699. Ahrefs plans include a few custom prompts (5 on Lite at $129, 10 on Standard at $249), and custom prompt packs cost $50, $100 or $250 a month. Every check is one prompt on one platform; Claude costs eight checks. Ahrefs does not run trials or discounts.
Knownwise Starter is $49 a month for 30 questions on ChatGPT, Claude, Gemini and Perplexity, run weekly.
Questions people ask
Does Ahrefs Brand Radar track Claude?
Through custom prompts only, and each Claude update uses eight checks. Ahrefs says it tracks Claude through its API with web search. Knownwise asks Claude at the same cost as the other assistants.
How much does Ahrefs Brand Radar cost?
The AI add-on starts at $199 a month and $699 covers all models. A few custom prompts come with Ahrefs plans from $129, and extra prompt packs start at $50 a month.
Does Ahrefs have a free trial?
No. Ahrefs says it does not run trials or discounts, though its AI visibility checker is free with no signup. Knownwise has a free instant check and a 14-day Pro trial.
Brand Radar or a monitoring tool?
Brand Radar is strongest for research across brands you do not own. For tracking your own questions every week, with the full answers and the fixes, a monitoring tool fits better.
Sources
Every competitor fact on this page comes from these pages, read on October 16, 2026. Prices change; if one is out of date, tell us and we will fix it.
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