// Head to head

Grammarly vs Sudowrite

Grammarly2 – 2Sudowrite

// Verdict

Head-to-head score: Grammarly 2 – 2 Sudowrite across 7 criteria. No outright winner.

Price: Sudowrite ($10) undercuts Grammarly ($12).

Pick Grammarly if a free tier is required and ecosystem size matters.
Pick Sudowrite if entry price is the deciding factor and API access is needed.

// Add a third tool

2 of 3 tools	Grammarly No reviews yet Visit ↗	🏆 2 winsSudowrite No reviews yet Visit ↗
Overview
What it does	The default AI writing assistant, offering grammar, clarity and tone checks across most apps.	Fiction-specific AI writing environment with story context management and prose tools.
Category	Writing Assistant, Email Writing	Writing Assistant, Fun & Games
Pricing
Model	Freemium	Paid
Starting price	$12	$10best
Plans	Free · Pro $12/mo	From $10/mo
Ratings
Overall score	No reviews yet	No reviews yet
Ease of use	No reviews yet	No reviews yet
Value for money	No reviews yet	No reviews yet
Reviews	0	0
Saves	0	0
Product
API	—	✓ Yesbest
Platforms	web, extension	web, extension
Verified	—	—
Launched	Aug 2025	Apr 2025
Key features	▸Inline grammar, spelling and punctuation correction ▸Clarity, conciseness and tone suggestions ▸Generative drafting and rewriting prompts ▸Cross-platform extension, desktop and mobile apps	▸Story Bible for persistent narrative context ▸Scene description and expansion tools ▸Brainstorming for plots, characters and names ▸Chapter drafting from outlines
Best for	▸Standardizing writing quality across a team ▸Reducing errors in customer-facing messages ▸Rewriting dense paragraphs for readability	▸Drafting chapters from a structured outline ▸Maintaining consistency across a long manuscript ▸Generating alternative plot directions