AIWriterPick

Notion AI vs Writesonic: Honest Comparison (2026)

Last updated: May 1, 2026 · Based on real pricing + 7,400 G2 reviews

Notion AI logo

Notion AI

Notion Labs

$10/mo

Free tier

AI writing assistant built into your workspace

★★★★☆ 4.7 (5,500 reviews)
Long-form API Templates
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 Notion AI Writesonic
Starting price Free / $10/mo Free / $16/mo
G2 rating 4.7 ★ (5,500) 4.7 ★ (1,900)
Free tier ✓ ✓
Long-form writing ✓ ✓
SEO mode ✗ ✓
Plagiarism check ✗ ✓
Grammar check ✗ ✗
API access ✓ ✓
Browser extension ✗ ✓
Templates ✓ ✓
Affiliate program ✓ ✓

Pricing comparison

Notion AI

Monthly: $10/mo

Yearly equivalent: $8/mo

Free tier: 20 AI responses free, then add-on $10/mo

Writesonic

Monthly: $16/mo

Yearly equivalent: $13/mo

Free tier: 10,000 words/mo

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