Every score is worked out from the vendor's own pages · How we score →Disclosure
SAASINSPECTOR
Head-to-head · SEO platforms · facts checked 15 Sept 2026

Semrush vs Writesonic

Semrush scores 8.3 to Writesonic's 6.7 among the SEO platforms we rate, and is the better pick for 3 of the 4 kinds of buyer below.

Semrush
#1 of 9 SEO platforms
8.3
/ 10
From
$139.95/mo (SEO plan)
Free plan
Yes
Writesonic
#7 of 9 SEO platforms
6.7
/ 10
From
$79/mo (Starter, billed annually)
Free plan
No
The verdict

Semrush wins, 8.3 to 6.7

Semrush uniquely has 11 features · Writesonic uniquely has 6 features.

Best for

Who each one suits, decided on the criteria that matter to that buyer and the checked facts where the two differ.

SEO specialists doing research
Semrush
Semrush 10.0 · Writesonic 7.1 on keyword research and rank tracking and site audit, competitors and backlinks
  • Keyword clustering: Semrush yes, Writesonic no
  • Backlink analysis: Semrush yes, Writesonic no
  • Local SEO: Semrush yes, Writesonic no
Content writers and editors
Writesonic
Semrush 7.5 · Writesonic 10.0 on content writing and optimization
  • Internal link suggestions: Writesonic yes, Semrush no
  • Content languages: 50 languages against 7 languages
Freelancers on a budget
Semrush
Semrush 4.5 · Writesonic 3.0 on pricing
  • Free plan: Semrush yes, Writesonic no
  • But Writesonic leads on monthly price, cheapest paid plan: $99 against $139.95
Agencies and in-house teams
Semrush
Semrush 8.5 · Writesonic 7.0 on works with your tools and team and support
  • Google Docs add-on: Semrush yes, Writesonic no
Section 01

How they score

Both are scored the same way, against the other SEO platforms we rate, from facts on each vendor's own pages. Semrush leads on 5 of 6 criteria.

Keyword research and rank tracking30% of the score
Semrush10.0
Writesonic7.5
Site audit, competitors and backlinks20% of the score
Semrush10.0
Writesonic6.5
Pricing20% of the score
Semrush4.5
Writesonic3.0
Content writing and optimization15% of the score
Semrush7.5
Writesonic10.0
Works with your tools10% of the score
Semrush10.0
Writesonic8.0
Team and support5% of the score
Semrush5.5
Writesonic5.0
How the score works →
Section 02

Where they differ

Every point where the two vendors' published facts disagree, with a link to where each fact was read. "Not published" means the vendor does not say either way.

Keyword clustering
Semrush
Semrush
Yes
source ↗
Writesonic
No
source ↗
Backlink analysis
Semrush
Semrush
Yes
source ↗
Writesonic
No
source ↗
Local SEO
Semrush
Semrush
Yes
source ↗
Writesonic
No
source ↗
Monthly price, cheapest paid plan
Writesonic
Semrush
$139.95
source ↗
Writesonic
$99
source ↗
Free plan
Semrush
Semrush
Yes
source ↗
Writesonic
No
source ↗
Internal link suggestions
Writesonic
Semrush
No
source ↗
Writesonic
Yes
source ↗
Content languages
Writesonic
Semrush
7 languages
source ↗
Writesonic
50 languages
source ↗
Google Docs add-on
Semrush
Semrush
Yes
source ↗
Writesonic
No
source ↗

Published by only one of them

Keyword rank tracker
Semrush
Scales by plan
source ↗
Writesonic
Not published
Rank updates
Semrush
Daily
source ↗
Writesonic
Daily (AI prompt/answer tracking, not SERP rank tracking)
source ↗
Seats on the cheapest plan
Semrush
Not published
Writesonic
1
source ↗
Where they match (14)
Keyword research with volume and difficulty
Semrush
Yes
source ↗
Writesonic
Yes
source ↗
Countries covered
Semrush
Global (multi-country)
source ↗
Writesonic
Global (multi-country)
source ↗
Connects Google Search Console
Semrush
Yes
source ↗
Writesonic
Yes
source ↗
Technical site audit
Semrush
Yes
source ↗
Writesonic
Yes
source ↗
Competitor analysis
Semrush
Yes
source ↗
Writesonic
Yes
source ↗
Free trial
Semrush
7 days
source ↗
Writesonic
7 days
source ↗
Writes full articles
Semrush
Yes
source ↗
Writesonic
Yes
source ↗
Content editor with a score
Semrush
Yes
source ↗
Writesonic
Yes
source ↗
Content briefs
Semrush
Yes
source ↗
Writesonic
Yes
source ↗
WordPress
Semrush
Yes
source ↗
Writesonic
Yes
source ↗
API access
Semrush
Yes
source ↗
Writesonic
Yes
source ↗
Chrome extension
Semrush
Yes
source ↗
Writesonic
Yes
source ↗
White-label reports
Semrush
Yes
source ↗
Writesonic
Yes
source ↗
Live chat with a person
Semrush
No
source ↗
Writesonic
No
source ↗
Section 03

Pricing, plan by plan

Every plan each vendor publishes, monthly and yearly where both are offered.

Semrush

Free
Free
Limited free account plus a 7-day free trial
SEO
$139.95/mo · $1,407.96/yr
5 websites, 500 keywords tracked daily, basic keyword research and competitor analysis, Position Tracking, Site Audit, AI visibility reports
Starter (SEO + AI Search)
$199/mo · $1,982/yr
5 websites, 500 keywords, 50 prompts tracked daily, 1 domain AI brand performance, 300 AI visibility reports/day, MCP access
Pro+ (SEO + AI Search)
$299/mo · $2,978/yr
15 websites, 1,500 keywords, 100 prompts tracked daily, historical SEO data, content optimization, keyword cannibalization analysis
Advanced (SEO + AI Search)
$549/mo · $5,468/yr
40 websites, 5,000 keywords, 200 prompts tracked daily, SEO share of voice, API data integration, maximum power tier

Writesonic

Starter
$99/mo · $948/yr
50 prompts, 15 AI articles/month, 10 site audits, 1 user, tracks ChatGPT/Gemini/Google AI Overviews
Basic
$249/mo · $2,388/yr
100 prompts, 25 AI articles/month, 20 site audits, 2 users, tracks ChatGPT/Gemini/Google AI Overviews
Growth
$499/mo · $4,788/yr
200 prompts, 50 AI articles/month, 50 site audits, sentiment analysis, Action Center, 3 users
Enterprise
Custom
All 10 AI platforms, custom prompts/articles/audits, full Action Center, dedicated AI search strategist, SSO/SAML, SOC 2 Type II, HIPAA, GDPR

For everything else about each tool, read the full Semrush review and Writesonic review.

Section 04

Semrush vs Writesonic: common questions

Which is better, Semrush or Writesonic?

Semrush scores 8.3 and Writesonic 6.7 out of 10 among the SEO platforms we rate. Semrush is ahead on keyword research and rank tracking, site audit, competitors and backlinks, pricing, works with your tools and team and support. Writesonic is ahead on content writing and optimization.

Is Semrush or Writesonic cheaper?

Semrush's cheapest paid plan is $139.95/mo (SEO plan) and Writesonic's is $79/mo (Starter, billed annually). Compare what each plan includes below before going on price alone.

Do Semrush and Writesonic have a free plan?

Semrush does and Writesonic does not.

What can Semrush do that Writesonic cannot?

On the facts both vendors publish: keyword clustering, backlink analysis, local SEO, free plan and google Docs add-on.

What can Writesonic do that Semrush cannot?

On the facts both vendors publish: internal link suggestions.

Keep comparing