Not for classic SEO — CogNerd is not a keyword or backlink research suite. For AI search it covers Claude, DeepSeek and Grok, which Semrush keeps for Enterprise, and produces the content briefs and GEO files; Semrush covers Google AI Overviews and AI Mode, which CogNerd does not. Many teams keep Semrush for SEO and use CogNerd for AI search.
CogNerd / Compare / Semrush
Platform comparisonCogNerd vs Semrush
Semrush puts AI visibility inside the SEO platform many teams already pay for. CogNerd is built around AI search itself: a different set of engines, and the content briefs and GEO files that follow the report.
Short version: pick Semrush if your team already runs SEO in it and wants Google AI Overviews and AI Mode tracked beside that data. Pick CogNerd if you need Claude, DeepSeek and Grok without Enterprise, and the fixes produced as well as the report.
Semrush figures read from semrush.com and the Semrush knowledge base on 24 September 2026.
What an answer engine says about your category
Illustrative example of a generated answer, not live tracking data. CogNerd records the real ones from ChatGPT, Gemini, Claude, Perplexity, DeepSeek and Grok.
Three differences that decide most of these purchases
Everything else in the table below is detail. These are the ones people change their mind over.
Different engines below Enterprise
Semrush tracks ChatGPT, Gemini, Perplexity, Google AI Overviews and AI Mode on its self-serve plans; Copilot, Grok, Claude and DeepSeek need Enterprise AIO. CogNerd tracks ChatGPT, Gemini, Perplexity, Claude, DeepSeek and Grok on every plan — but not Google’s AI surfaces or Copilot.
An SEO suite vs. an AI search tool
Semrush brings one of the largest keyword and backlink databases, a site audit that flags blocked AI crawlers, a free plan and a 7-day trial. CogNerd brings AI-search depth instead: buyer personas, weak-prompt detection and an AEO audit in every run.
Reports vs. the work that follows
Semrush reports citations and sentiment well, but does not generate llms.txt or schema, and writing needs the separate Content Toolkit. CogNerd turns weak prompts into briefs and drafts for blog, LinkedIn and X, and generates the GEO files, in the same workspace.
What AI engine coverage costs on Semrush
Tick the engines you want watched and pick a Semrush plan. Engines outside the self-serve list are only available in Enterprise AIO.
Engines you want tracked
Semrush plan
CogNerd
4 of your 4 picks tracked
No per-engine fee: ChatGPT, Gemini, Claude, Perplexity, DeepSeek and Grok are all on every plan, up to 3 per analysis. Your 4 run across 2 analyses. Plans from $150 a month.
Semrush
$99 per month
AI Visibility Toolkit at $99 includes 25 prompts for one domain, billed annually.
Claude isn't tracked on this Semrush plan.Semrush list prices, monthly billing, read 24 September 2026: Starter $199, Pro+ $299, Advanced $549 (annual billing saves up to 17%); the standalone AI Visibility Toolkit is $99 per domain per month, billed annually. Engines per Semrush Brand Performance; the Prompt Tracking help page lists only ChatGPT, AI Mode and Gemini. Copilot, Grok, Claude and DeepSeek are Enterprise AIO only, priced on request. CogNerd Starter is $150 a month and Growth $299 (USD, monthly). Check both before you buy.
Feature by feature
Filter by what you care about. Rows where Semrush wins are marked the same way as rows where CogNerd does.
| Compared on | CogNerd | Semrush |
|---|---|---|
| Coverage | ||
| AI engines tracked | Six: ChatGPT, Gemini, Claude, Perplexity, DeepSeek and Grok — pick up to 3 per analysis | ChatGPT, Gemini, Perplexity, Google AI Overviews and AI Mode on self-serve plans |
| Claude, Grok, DeepSeek | Included — up to 3 per analysis | Enterprise AIO only, custom pricing |
| Google AI Overviews and AI Mode | Not tracked | On self-serve plans |
| Tracked prompts | Up to 40 prompts per scan | 25 (toolkit) to 200 (Advanced) |
| How prompts are built | Persona-driven — three buyer personas per brand, prompts written as each one asks | From Semrush's prompt database, suggestions, manual entry or file import |
| Tracking frequency | Weekly scheduled rescans on Growth and up, plus on-demand runs | Daily for Prompt Tracking; weekly for Brand Performance |
| Competitor benchmarking | Up to 8 per scan, named by you or detected automatically | Up to 4 competitors at once |
| Multi-country and language | Prompt research localised for 7 countries; answers are not geo-targeted | Yes — Prompt Tracking covers 220+ countries |
| Optimization | ||
| Gaps turned into a task list | Weak prompts ranked by where a competitor is named and you are not | Reports the gaps; fixing them is up to you |
| Content production | Content Studio: blog articles, LinkedIn and X posts, carousels, short product videos | Content Toolkit, a separate subscription, scores drafts for citation likelihood |
| GEO file generation | llms.txt, robots.txt, sitemap and Schema.org JSON-LD including FAQ markup, ready to install | Not offered |
| Technical readiness for AI crawlers | Audited — robots.txt checked against 20 AI crawlers, with fix files to install | Yes — Site Audit flags blocked AI crawlers such as OAI-SearchBot and PerplexityBot |
| Services | Separate agency services: SEO, social media, paid media and web development | Software only; Enterprise adds an account manager |
| Reporting & data | ||
| Citation source reporting | Sources each answer cites, extracted and grouped by domain | Yes — every domain and URL cited for tracked prompts |
| Sentiment | Yes — sentiment and answer position for your brand and competitors | Yes — sentiment and its drivers in Brand Performance |
| GA4 and Search Console | Google Analytics 4 and Search Console connected in the app | Yes, across the SEO toolkit |
| MCP and API | Yes — connect CogNerd to Claude and ChatGPT over MCP | MCP on Starter and Pro+; API on Advanced and Enterprise |
| SEO data in the same tool | Search Console and GA4 data alongside AI visibility | Yes — one of the largest keyword and backlink databases |
| Commercials | ||
| Entry price for AI tracking | Starter $150/mo — 1 brand, 2 end-to-end runs a month | $99/mo per domain for the toolkit (annual), or $199/mo for Starter |
| Users | Owner, admin, editor and viewer roles on each brand | One user per plan; extra users from $45/mo |
| Try before you commit | Free plan (1 brand, 1 run) and a 15-day demo of paid plans | 7-day free trial and a free plan |
| Where they're based | Mohali, India | Boston, USA — part of Adobe since April 2026 |
Where each tool stops
Improving how AI answers about you is a loop. The useful question is not which tool measures better — it is how much of the loop you are still staffing yourself.
1
Measure
Track mentions, position, sentiment and citation sources across engines.
2
Diagnose
Work out which prompts you lose, to whom, and which sources are winning them.
3
Create
Write the pages and assets that answer those prompts properly.
4
Publish
Ship the markup, llms.txt and FAQ structure engines can actually read.
5
Re-measure
Check whether citations moved, then start again on what didn't.
Which one fits you
Written honestly, because a tool that fits badly churns in a quarter.
Choose CogNerd if
- You need Claude, DeepSeek and Grok tracked without an Enterprise contract.
- AI visibility is the job, not a report inside an SEO suite.
- Nobody on the team has time to turn a visibility report into briefs and drafts.
- You want llms.txt, robots.txt and schema markup generated for your site.
- You also want SEO, social, paid media or web development from the same company.
Choose Semrush if
- Your SEO team already runs keyword research and audits in Semrush.
- You need Google AI Overviews and AI Mode tracked.
- You want prompts tracked daily across many countries.
- You want AI visibility, SEO and a crawler audit in one bill.
- You want to try it first — there is a 7-day trial and a free plan.
FAQ
Questions people ask before switching.
Sources. Semrush plans, AI Visibility Toolkit pricing, engines and prompt limits read from semrush.com/prices, semrush.com/pricing/ai, semrush.com/pricing/enterprise and the Semrush knowledge base on 24 September 2026. CogNerd details from cognerd.ai. Prices in this category change often — verify both before purchase.
Semrush is a trademark of its owner. This comparison is published by CogNerd and reflects our reading of publicly available information. Updated 24 September 2026.