Grammarly vs Writesonic (2026): Which AI App Is Better?

Both are popular ai writing & copywriting. Here is how Grammarly and Writesonic stack up on price, strengths and weaknesses, and which one we would pick.

Grammarly

Grammar, tone and rewriting help in every app you type in

8.7 /10

Pricing: Free plan, paid from $12/mo

Pros

Works in almost every app and browser
Reliable, conservative corrections
Strong tone and clarity suggestions

Cons

Generative features are weaker than dedicated assistants
Constant upsells on the free plan

Visit Grammarly ↗

Writesonic

SEO-first article writer with fact-checking and a built-in chatbot

7.9 /10

Pricing: Free plan, paid from $39/mo

Pros

Long-form articles with citations and SEO data
Bundled chatbot with live search
Direct publishing to WordPress

Cons

Credit-based limits can run out quickly
Interface is crowded with features

Visit Writesonic ↗

Grammarly vs Writesonic at a glance

	Grammarly	Writesonic
Editor score	8.7 / 10	7.9 / 10
Pricing model	Freemium	Freemium
Starting price	$12/mo	$39/mo
Reader upvotes	0	0
Best for	grammar, proofreading, browser extension	seo, articles, chatbot

Our pick

Grammarly edges it with a score of 8.7 versus 7.9. Grammarly is the better fit if you value: works in almost every app and browser, reliable, conservative corrections. Choose Writesonic instead if you need: long-form articles with citations and seo data, bundled chatbot with live search.