AIWriterPick

Grammarly vs Writesonic: Honest Comparison (2026)

Last updated: May 1, 2026 · Based on real pricing + 10,900 G2 reviews

Grammarly logo

Grammarly

Grammarly Inc.

$30/mo

Free tier

AI writing assistant for grammar, clarity & tone

★★★★☆ 4.7 (9,000 reviews)
Plagiarism check Grammar check Browser ext.
Try Free Pricing ↗
Writesonic logo

Writesonic

Writesonic Inc.

$16/mo

Free tier

AI writer, copywriter & text generator

★★★★☆ 4.7 (1,900 reviews)
Long-form SEO mode Plagiarism check Browser ext. API Templates
Try Free Pricing ↗

Side-by-side feature comparison

Feature Grammarly Writesonic
Starting price Free / $30/mo Free / $16/mo
G2 rating 4.7 ★ (9,000) 4.7 ★ (1,900)
Free tier ✓ ✓
Long-form writing ✗ ✓
SEO mode ✗ ✓
Plagiarism check ✓ ✓
Grammar check ✓ ✗
API access ✗ ✓
Browser extension ✓ ✓
Templates ✗ ✓
Affiliate program ✓ ✓

Pricing comparison

Grammarly

Monthly: $30/mo

Yearly equivalent: $12/mo

Free tier: Basic grammar checks, limited AI

Writesonic

Monthly: $16/mo

Yearly equivalent: $13/mo

Free tier: 10,000 words/mo

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