★ HEAD TO HEAD · UPDATED APR 1, 2026 ★
Contender A
Writesonic
$49/mo · Good balance of SEO and AI writing features
vs
Contender B
Semrush ContentShake AI
$60/mo · Deeply integrated with SEMrush keyword data
Two tools, one category, one clean verdict. This page is generated from our structured tool database so you can compare the essentials in minutes.
Writesonic leads 7.0 / 10Free tier availableVerified APR 1, 2026Independent comparison
★ Our take
Writesonic + Semrush ContentShake AI
tied at 7.0 / 10
This one is genuinely close. Both tools land on the same overall score, so the call comes down to good balance of seo and ai writing features versus deeply integrated with semrush keyword data.
01 · THE SNAPSHOT
The core numbers, side by side.
7.0
Overall rating
5
Key features
3
Pros listed
Yes
Free tier
Snapshot rows use the current tool database only: overall rating, feature count, pros count, and free-tier availability.
02 · THE SPECS
Everything that matters, in one table.
Feature
Writesonic
Semrush ContentShake AI
Base price
$49/mo
$60/mo
Free tier
Yes
Yes
Category
Writing
Writing
Rating
7.0 / 10
7.0 / 10
Last verified
APR 1, 2026
APR 1, 2026
Top feature
AI article and blog post generation
AI article generation with SEO optimization
Best thing
Good balance of SEO and AI writing features
Deeply integrated with SEMrush keyword data
Biggest drawback
Output quality inconsistent on complex topics
Best value only with existing SEMrush subscription
GO WITH WRITESONIC IF
You want good balance of seo and ai writing features.
- +Good balance of SEO and AI writing features
- +AI search visibility tracking is unique
- +Affordable entry pricing
GO WITH SEMRUSH CONTENTSHAKE AI IF
You care more about deeply integrated with semrush keyword data.
- +Deeply integrated with SEMrush keyword data
- +Produces SEO-optimized drafts quickly
- +Direct WordPress publishing saves time