Grammarly vs Semrush

Grammarly
AI writing assistance everywhere.
70.7 · B
From $12/mo · See pricing
Semrush
All-in-one SEO and competitive intelligence platform for marketers who live in search data
68.0 · B
From $139.95/mo · See pricing
SpecGrammarlySemrush
CategoryAI WritingAI Marketing
Pricing$12/mo$139.95/mo
Hours saved/wk36
Ease of use106
Popularity109
Usefulness89
ROI Score70.768.0

Our pick: Grammarly

With an ROI score of 70.7/100, Grammarly edges ahead on value for money. Plans start at $12/mo.

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Frequently asked questions

Is Grammarly better than Semrush in 2026?

Based on our editorial ROI Score, Grammarly (70.7/100) edges out Semrush (68.0/100). The score factors in cost, time saved, ease of use, and output quality.

Is Grammarly cheaper than Semrush?

Grammarly starts at $12/mo, while Semrush starts at $139.95/mo. Visit the full pricing pages for plan details.

What is the main difference between Grammarly and Semrush?

Grammarly is a AI Writing tool while Semrush falls under AI Marketing. They serve different primary use cases but are frequently compared by teams evaluating AI tool stacks.

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