Description
ContentShake AI
Overview
ContentShake AI (now part of Semrush's Content Toolkit) is a content writing tool that combines ChatGPT's AI capabilities with real-time SEO data from the Semrush platform. It allows creating search engine optimized content up to 12 times faster.
Developed by Semrush, a leading digital marketing company founded in 2008 by Oleg Shchegolev and Dmitry Melnikov. Semrush trades on NYSE (SEMR) since 2021 and has more than 117,000 paying customers and 1.1 million active users.
Price: $60/month (single plan) with 7-day free trial.
ContentShake AI Timeline
| Date | Milestone |
|---|---|
| 2008 | Semrush founded |
| Mar 2021 | Semrush IPO on NYSE |
| 2023 | Initial ContentShake AI launch (English only) |
| Nov 2023 | AI Chat feature added |
| Apr 2024 | New "Extra SEO Boost" feature with SERP data |
| May 2024 | AI Images feature launched |
| Jul 2024 | Local Search feature for local content |
| 2025 | Renamed to Content Toolkit within Semrush |
| 2025 | Support for 7 languages |
What is ContentShake AI
Value Proposition
ContentShake AI automates the entire content creation process:
- Ideation - Find trending topics in your niche
- Creation - Generate SEO-optimized articles
- Optimization - Improve existing content with competitive data
- Publishing - One click to WordPress
Key Differentiator
Unlike generic AI tools, ContentShake AI integrates Semrush's SEO database:
- 26.2 billion keywords
- 800M+ tracked domains
- Real-time competitive data
- Google SERP analysis
Main Features
Topic Discovery
| Feature | Description |
|---|---|
| Weekly Ideas | 25 new content ideas each week |
| Trending Topics | Based on industry trends |
| Competitor Analysis | See what works for competitors |
| Local Targeting | Ideas by country or city |
| Search Volume Data | Keyword metrics included |
AI Article Generation
| Feature | Description |
|---|---|
| Full Article Writing | From outline to complete article |
| SEO-Boosted Articles | Optimized with SERP data (5/month or more) |
| Regular AI Articles | Unlimited without SERP data |
| Content Briefs | Detailed structure before writing |
| Outline Generation | Titles, H2s, intro, conclusion |
Content Optimization
| Feature | Description |
|---|---|
| Real-time Scoring | SEO, readability, tone |
| Keyword Suggestions | Based on competitors |
| Readability Analysis | Simplify complex texts |
| Competitor Insights | See what top rankers include |
| One-click Rewrite | Improve paragraphs instantly |
AI Images
| Feature | Description |
|---|---|
| Text-to-Image | Generate images with prompts |
| Royalty-free | Commercial use allowed |
| Unsplash Integration | Access to photo library |
| In-article Generation | Without leaving the tool |
Brand Voice
| Feature | Description |
|---|---|
| Custom Profiles | Unlimited brand voices |
| Sample-based Learning | Learns from your content (200 words) |
| Tone Consistency | Maintains style across all content |
| Audience Personas | Define your target audience |
AI Chat
| Feature | Description |
|---|---|
| Conversational Interface | Chat for content tasks |
| Content Expansion | Expand sections dynamically |
| Summarization | Summarize long articles |
| Custom Requests | Personalized prompts |
Integrations
| Integration | Functionality |
|---|---|
| WordPress | Direct publishing with plugin |
| Google Docs | Export for collaboration |
| Chrome Extension | Edit on any website |
| Semrush Suite | Access to all SEO tools |
Chrome Extension
| Feature | Description |
|---|---|
| Grammar Check | Automatic correction |
| Rephrase | Rewrite selections |
| Simplify | Simplify complex sentences |
| Translate | 30+ languages |
| Tone Change | Adjust the tone |
| 50 Free Rewrites | No subscription needed |
Social Media Content
| Feature | Description |
|---|---|
| Platform-specific | Facebook, LinkedIn, X, Instagram |
| AI-powered Posts | Generate posts from articles |
| Tone Selection | Adapt to each platform |
| Unlimited | No limit on paid plan |
Supported Languages
ContentShake AI generates content in 7 languages:
- English (American, British, Canadian, Australian, Indian)
- Dutch
- French
- German
- Italian
- Portuguese
- Spanish
Pricing
Free Plan (Limited)
| Aspect | Detail |
|---|---|
| Price | $0 |
| Articles | 3/month |
| Weekly ideas | 3 |
| AI Rewrites | 30 |
| Social Posts | 12/month |
Unlimited Plan
| Aspect | Detail |
|---|---|
| Price | $60/month |
| Trial | 7 days free |
| Regular articles | Unlimited |
| SEO-Boosted Articles | 5/month (more with Semrush plan) |
| Weekly ideas | 25 |
| Brand Voices | Unlimited |
| Social Posts | Unlimited |
| WordPress Sites | Up to 100 |
Extras
| Add-on | Price |
|---|---|
| 10 SEO-Boosted Articles | $30 |
| With Semrush Plan | 20 SEO articles/month |
Article Types
Regular AI Articles
- Generated by AI based on keywords
- Unlimited per month
- No deep SERP analysis
- Good for general content
SEO-Boosted Articles
- Use Semrush's proprietary data
- Top competitor analysis
- Keyword recommendations
- 5/month on standard plan
- Higher ranking probability
Who is ContentShake AI For
Ideal For
| User | Why |
|---|---|
| Small Businesses | Create professional content without large team |
| Marketing Teams | Accelerate content production |
| Bloggers | Generate quick drafts |
| SEO Professionals | Data-driven content |
| Agencies | Scale production for clients |
| Social Media Managers | Multi-platform posts |
Not Ideal For
| User | Why |
|---|---|
| Technical Writers | Highly specialized content |
| Creative Writers | Lacks personal touch |
| Budget-conscious | $60/month may be high |
| Multi-language Teams | Only 7 languages |
Performance and Results
Reported Statistics
| Metric | Value |
|---|---|
| Speed Improvement | 12x faster |
| Users | 50,000+ in 18 months |
| Ranking Improvement | 43% report better rankings |
| Agency Satisfaction | 92% positive ROI |
| Individual Satisfaction | 78% satisfied |
Limitations
| Limitation | Detail |
|---|---|
| Generic Output | Requires human editing |
| Fact-checking | AI doesn't verify facts |
| Word Limits | Sometimes doesn't reach 5000 words |
| Audience Changes | Only 3 changes/day |
| No File Upload | Must copy/paste text |
About Semrush (Company)
General Information
| Data | Value |
|---|---|
| Founded | 2008 |
| Founders | Oleg Shchegolev, Dmitry Melnikov |
| Headquarters | Boston, Massachusetts |
| IPO | March 2021 (NYSE: SEMR) |
| Employees | ~1,500+ |
| Paying customers | 117,000+ |
| Active users | 1.1M+ |
| Revenue (2024) | $377M+ |
| Countries | 180+ |
Semrush Database
| Metric | Value |
|---|---|
| Keywords | 26.2 billion |
| Domains | 800M+ |
| Backlinks | 43T+ |
| Tools | 55+ |
Key History
| Year | Event |
|---|---|
| 2006 | Seodigger (personal tool) |
| 2007 | SEOquake browser extension |
| 2008 | Official Semrush founding |
| 2012 | Registered as US company |
| 2016 | 1 million users |
| 2018 | Series A $40M |
| 2021 | NYSE IPO, $140M raised |
| 2021 | Backlinko acquisition |
| 2022 | Ceased Russia operations |
| 2025 | Adobe acquisition ($1.9B reported) |
Investors
- Greycroft
- Siguler Guff
- E.ventures
- Headline
Competition
vs Other AI Writing Tools
| Tool | Price | Differentiator |
|---|---|---|
| ContentShake AI | $60/mo | Semrush SEO data |
| Jasper | $49+/mo | Brand voice (3 limit) |
| ChatGPT Plus | $20/mo | Versatility, no SEO |
| Writesonic | $19+/mo | More affordable |
| Copy.ai | $49+/mo | Marketing templates |
ContentShake AI Advantage
The integration with Semrush's SEO database is unique:
- Keywords, competitors, SERPs in real-time
- Not available in generic AI tools
- Content scoring based on real data
Typical Workflow
- Initial setup - Define business, audience, location
- Explore ideas - Review 25 weekly topics
- Create brief - Generate structure with keywords
- Write article - AI generates complete draft
- Optimize - Adjust with real-time scoring
- Add images - AI or Unsplash
- Publish - Direct to WordPress or Google Docs
Tool Information
| Data | Value |
|---|---|
| Name | ContentShake AI (now Content Toolkit) |
| Company | Semrush |
| Type | AI Content Writing + SEO |
| Price | $60/month |
| Trial | 7 days free |
| Languages | 7 |
| WordPress Sites | Up to 100 |
| Chrome Extension | Free (50 rewrites/month) |
PROS ✅
- Real SEO data - Integrated Semrush database
- All-in-one - Ideation to publishing
- Direct WordPress - One click publishing
- Brand voice - Unlimited profiles
- Free Chrome extension - 50 rewrites/month
- Topic finder - 25 weekly ideas
- Content scoring - Real-time optimization
- 7 languages - Multilingual
- Social media - Multi-platform posts
- Competitor insights - See what works
CONS ❌
- Price - $60/month may be high
- Limited SEO articles - Only 5/month
- Generic output - Requires editing
- No fact-checking - Verify manually
- No file upload - Manual copy/paste
- Audience changes - Only 3/day
- English-only interface - Though generates in 7 languages
- No API - No programmatic integration
- Word limits - Sometimes doesn't reach max
- Email support only - No chat/phone
Alternatives
| Tool | For What |
|---|---|
| Jasper | Brand-focused AI writing |
| ChatGPT | General versatility |
| Surfer SEO | SEO content optimization |
| Frase | Research + writing |
| Clearscope | Enterprise SEO content |
| Writesonic | More affordable |
| Copy.ai | Marketing copy |
Conclusion
ContentShake AI stands out for its unique integration with Semrush's SEO data, enabling content creation based on real competitive information rather than assumptions. For users already using Semrush or needing consistently SEO-optimized content, the $60/month can be justified by the time saved and output quality.
"ContentShake AI automates the entire content writing process, including competitor analysis, content briefs, and one-click WordPress publishing."
Key Features
AI article generation with Semrush SEO data
SEO-Boosted articles SERP analysis
25 weekly trending topic ideas
Unlimited brand voice profiles
Direct WordPress publishing plugin
Google Docs export collaboration
Free Chrome extension 50 rewrites
AI Images text-to-image generation
Real-time SEO content scoring
Competitor analysis insights
7 languages multilingual content
AI Chat conversational interface
Structured content briefs
Multi-platform social media posts
Local targeting country city
Readability analysis simplification
One-click paragraph rewrite
Unsplash integration photos
Competitor-based keyword suggestions
Automatic outline generation
Use Cases
SEO-optimized blog posts ranking
Scalable content marketing strategy
Multi-platform social media posts
Marketing copy landing pages
Ecommerce product descriptions
Existing content article optimization
Competitor research analysis
Geographic local SEO content
Content briefs for writer teams
Brand voice content consistency
Weekly topic ideation planning
WordPress blog management
Agency content scaling clients
Newsletter content creation
Optimized FAQ pages
How-to guides tutorials
Industry news articles
Company blog updates
Email marketing copy
Press release drafts
Information
Company
Semrush
Website
www.semrush.com