Compare · Semrush is an SEO and AI search marketing suite
SiteOS vs Semrush.
SEO and AI, included.
Semrush, now an Adobe company, is built for competitive search research at scale, with keyword and backlink databases, rank tracking, site audits and AI visibility through Semrush One. SiteOS includes technical audits, Search Console, keyword, rank and backlink research and AI visibility on ChatGPT, Claude, Gemini and Perplexity in free access, ranks next steps from all your reports and adds analytics, consent, forms, site search and checks for the same website. This page compares SiteOS and Semrush on site audits, Search Console, keyword, rank and backlink research, AI visibility, content checks and price, including where Semrush goes further.
At a glance
Where SiteOS goes further3
- Content checksSpelling, grammar, unfinished copy and metadata on your pages
- Next steps ranked across reportsOpportunities ranks audits, Search Console and AI evidence together
- Free planFree, with monthly credits for research and checks
Where Semrush goes further3
- Audits of large websitesSemrush Site Audit checks up to 20,000 pages per audit on Semrush One Starter and Pro+, and 100,000 on Advanced.
- Own keyword and backlink databasesSemrush cites 28.8 billion keywords and more than 43 trillion backlinks.
- Ads, local and social toolkitsSiteOS focuses on your website
Both cover10
- Technical site audit
- Scheduled audits
- Search Console reports
- Keyword research and rank tracking
- Backlink research
- AI answer tracking across platforms
- Competitors in AI answers
- Checks inside your CMS
- PDF reports
- MCP for AI agents
Side by side
SiteOS vs Semrush
| Capability | SiteOS | Semrush |
|---|---|---|
| Technical site auditSite crawls with severity, affected URLs and evidence | Yes | Yes |
| Scheduled auditsEvery day, on weekdays or on selected days | Yes | Yes |
| Search Console reportsClicks, queries and indexing status for your property | Yes | Yes |
| Keyword research and rank trackingKeywords, SERPs, domains and tracked positions | Yes | Yes |
| Backlink researchReferring domains, anchors and lost or broken links | Yes | Yes |
| AI answer tracking across platformsChatGPT, Claude, Gemini and Perplexity, on demand or on a schedule | Yes | Yes |
| Competitors in AI answersYour brand against up to five competitors, with an action plan | Yes | Yes |
| Content checksSpelling, grammar, unfinished copy and metadata on your pages | Yes | Partly |
| Checks inside your CMSSEO fields and text checks in Sanity Studio | Yes | Yes |
| Next steps ranked across reportsOpportunities ranks audits, Search Console and AI evidence together | Yes | Partly |
| PDF reportsExports of audits and AI Visibility checks | Yes | Yes |
| MCP for AI agentsYour agent reads audits, opportunities and AI evidence | Yes | Yes |
| Free planFree, with monthly credits for research and checks | Yes | Partly |
| Audits of large websitesA SiteOS audit checks up to 500 pages | Partly | Yes |
| Own keyword and backlink databasesSiteOS runs research per check, within monthly credits | No | Yes |
| Ads, local and social toolkitsSiteOS focuses on your website | No | Yes |
| Price of the compared plan | Free | $199 / mo |
YesPartly, with the condition in the notesNot offered
SiteOS is free, with monthly credits for research and checks. Semrush One Starter costs $199 a month, or $165.17 billed yearly, for five websites, 500 tracked keywords and 50 AI prompts; Pro+ at $299 adds unlimited content checks, and Claude, Copilot, Grok and DeepSeek need Enterprise AIO.
AI answer tracking across platforms: Semrush One covers ChatGPT, Google AI Overviews and AI Mode, Gemini and Perplexity; Claude, Copilot, Grok and DeepSeek need Enterprise AIO.
Competitors in AI answers: Semrush compares your brand with up to four competitors in its AI Visibility Toolkit and Semrush One.
Content checks: Semrush One Starter includes two SEO Writing Assistant documents; unlimited documents need Pro+.
Checks inside your CMS: Semrush's SEO Writing Assistant works in Google Docs, Microsoft Word and WordPress.
Next steps ranked across reports: Semrush Site Audit orders its own issues by severity and affected pages.
Free plan: Semrush Free includes one demo project, 10 reports a day and a 100-page audit.
Audits of large websites: Semrush Site Audit checks up to 20,000 pages per audit on Semrush One Starter and Pro+, and 100,000 on Advanced.
Own keyword and backlink databases: Semrush cites 28.8 billion keywords and more than 43 trillion backlinks.
Sources · reviewed 12 Oct 2026
- Semrush pricing
- SEO Toolkit plans
- Semrush One
- AI Visibility Toolkit
- Enterprise AIO
- SEO Writing Assistant
- Site Audit
- Semrush MCP
- Adobe completes acquisition
- Semrush data · reviewed 13 Oct 2026
- Configuring Site Audit · reviewed 13 Oct 2026
Also in SiteOS
The rest of
your website.
SiteOS SEO / GEO lives in the same free Project as everything else your website needs, for your team and your AI agent. More about SEO / GEO
- Web analyticsCookieless, with goals, funnels, several domains and GA4
- Cookie consent bannerRegional rules, Google Consent Mode and scheduled scans
- Forms with an inboxShared inbox, contacts, spam controls and Mailchimp
- Site searchCrawled indices, relevance controls and search analytics
- Browser checks on key journeysPage checks without code, and Playwright journeys on a schedule and in pull requests
- Error trackingBrowser and server errors, grouped, with source maps
- Tracking checks for GA4, GTM and consentFailed requests, duplicates, missing events and tag changes, plus personal data, consent and pull request checks
Switch
Move from
Semrush.
- 1Open SEO/GEO in your Project environment, confirm the website URL and run a site audit.
- 2Connect Google Search Console, track the keywords you follow in Semrush and save your AI Visibility questions and competitors.
- 3Work from Opportunities with your team or coding agent, and recheck each fix after you publish it.
Together
Use them
together.
Keep Semrush for research at its database scale and for its ads, local and social toolkits, and use SiteOS for the website itself: audits with ranked next steps, AI visibility on four platforms, analytics, consent, forms, site search and checks. Your coding agent can work with both through MCP.
FAQ