Content Marketing Agencies vs ContentShake AI
Quick answer
Content Marketing Agencies is a content marketing agency plans editorial calendars and produces brand content — blog posts, guides, and campaigns — usually on a monthly retainer. ContentShake AI is contentShake AI is Semrush's AI content tool, generating SEO-friendly article drafts using Semrush's own keyword data. Neither plans a full topical map or hosts the result — if you want the planning, writing, and hosting handled as one system instead of two separate tools, that's what Omnitopical does.
Content Marketing Agencies
Content-focused marketing agency (editorial calendars, brand storytelling)
Best for: brands that need campaign-driven storytelling and a dedicated editorial team.
ContentShake AI
AI content tool by Semrush
Best for: teams already using Semrush who want AI drafts inside the same dashboard.
Content Marketing Agencies vs ContentShake AI, feature by feature
| Feature | Content Marketing Agencies | ContentShake AI |
|---|---|---|
| Plans a full topical map before writing | No — plans an editorial calendar, not a full topical map | No — generates individual articles from keyword data |
| Writes complete, publish-ready pages | Yes, but paced to the agency's own writer capacity | Yes, per article |
| Auto-interlinks pages as the site grows | Usually manual, not automatic | No automatic interlinking |
| Hosts the content on your domain | No — delivers content for your own CMS | No — you publish through your own CMS |
| Machine files for AI + search (llms.txt, JSON-LD, sitemaps — 25+) | Rarely — not a standard agency deliverable | No |
| Pricing model | Retainer-based, typically $2,000–$15,000+/mo depending on scope | Bundled with or add-on to Semrush plans |
Where Content Marketing Agencies falls short
- Editorial calendars plan a content cadence, not a full topical map covering a whole subject
- No hosting — delivers content for your own CMS
- Interlinking is usually manual, not automatic as new pieces publish
Where ContentShake AI falls short
- No full topical-map planning across a site
- No hosting — you publish through your own CMS
- No automatic interlinking between generated pages
Or skip choosing between two point solutions.
Planning, writing, interlinking, and hosting — one system, $99/mo, one domain.