Curated top 10 rankings of everything
Lister
For companies
RANKINGS/AI TOOLS/AI PROOFREADING TOOLS

Best AI Proofreading Tools in 2026

10 AI tools ranked on capability, adoption, value, momentum and trust, each with a short verdict.

Updated · How we rank

LISTER SCORE · UPDATED Get your company ranked

Key takeaways

Grammarly stands out as the best overall AI proofreading tool for everyday writers and professionals. ProWritingAid suits advanced authors and fiction writers needing deep stylistic analysis, while Hemingway Editor excels for copywriters seeking concise and punchy text.
Top 10 AI Proofreading Tools, compared
RANKENTRYBEST FORSCOREFROM
1GrammarlyGrammarly was founded in 2009 and serves over 30 million active daily users worldwide.Essay writing and grammar checking95.0Free
2ProWritingAidProWritingAid offers over 20 different in-depth writing reports covering pacing, readability, and dialogue tags.Long-form fiction and academic writing92.7$10 per month
3Hemingway EditorThe tool is named after Ernest Hemingway, whose writing style was famous for its short and direct sentences.Bloggers and copywriters focusing on readability90.3$10 per month
4LanguageToolLanguageTool supports more than 25 native languages including German, Spanish, French, and Polish.Multilingual writers and privacy-conscious users88.0$4.99 per month
5QuillBotQuillBot was acquired by Course Hero in 2023 to expand its suite of educational writing tools.Paraphrasing and vocabulary enhancement85.7$9.95 per month
6WordtuneWordtune was developed by AI21 Labs, a company specialising in foundational language models.Sentence-level rewriting and tone adjustment83.3$9.99 per month
7JasperJasper raised $125 million in a Series A funding round at a $1.5 billion valuation in 2022.Enterprise marketing teams and professional copywriters81.0$39/month
8Notion AINotion AI is built directly into the Notion productivity workspace ecosystem.Knowledge management and notes78.7$10 per user per month
9Copy.aiCopy.ai was one of the early adopters of OpenAI language models for commercial copywriting.Social media managers and independent creators76.3Free
10GrammarCheckGrammarCheck operates primarily as a free web utility supported by ad placements.Quick one-off basic grammar checks74.0Free
CURATED · UPDATED HOW WE RANK →

How to choose

Start from what you need it for. Where each entry fits best:

  • Grammarly (#1): Essay writing and grammar checking
  • ProWritingAid (#2): Long-form fiction and academic writing
  • Hemingway Editor (#3): Bloggers and copywriters focusing on readability
  • LanguageTool (#4): Multilingual writers and privacy-conscious users
  • QuillBot (#5): Paraphrasing and vocabulary enhancement
  • Wordtune (#6): Sentence-level rewriting and tone adjustment
  • Jasper (#7): Enterprise marketing teams and professional copywriters
  • Notion AI (#8): Knowledge management and notes
  • Copy.ai (#9): Social media managers and independent creators
  • GrammarCheck (#10): Quick one-off basic grammar checks

Each entry's full verdict is below.

The ranking, in detail

01

Grammarly

An industry-leading AI assistant that checks spelling, grammar, punctuation, and tone across various web platforms and applications.

Free
PROS
  • Integrates seamlessly across browsers and word processors
  • Provides clear explanations for writing suggestions
CONS
  • Full sentence rewrites and advanced style guides require a paid plan
Best for
Essay writing and grammar checking
Where it falls short
Full sentence rewrites and advanced style guides require a paid plan.
Pick something else if
you need its advanced features on a tight budget.
95.0
02

ProWritingAid

A comprehensive grammar checker and style editor tailored specifically for authors, novelists, and deep content creators.

From $10 per month
PROS
  • In-depth writing reports and stylistic analysis
  • Flexible lifetime license purchasing options
CONS
  • Steeper learning curve due to overwhelming data
Best for
Long-form fiction and academic writing
Where it falls short
The overwhelming data creates a steeper learning curve for new users.
Pick something else if
you prefer an intuitive interface with minimal setup time.
92.7
03

Hemingway Editor

A streamlined text editor designed to make your writing bold and clear by highlighting complex sentences and common errors.

From $10 per month
PROS
  • Clean and distraction-free user interface
  • Excellent at spotting convoluted sentence structures
CONS
  • Lacks traditional deep grammar correction features
Best for
Bloggers and copywriters focusing on readability
Where it falls short
It lacks traditional deep grammar correction features.
Pick something else if
you need advanced grammar correction.
90.3
04

LanguageTool

An open-source proofreading program that supports dozens of languages with advanced grammar and style checking.

From $4.99 per month
PROS
  • Strong multilingual grammar support
  • More affordable than several competitors
CONS
  • Free tier is heavily restricted in word count
Best for
Multilingual writers and privacy-conscious users
Where it falls short
The free tier is heavily restricted in word count.
Pick something else if
you need unlimited words without paying.
88.0
05

QuillBot

An AI-powered paraphrasing and proofreading tool designed to help users rewrite sentences and improve flow.

From $9.95 per month
PROS
  • Powerful and versatile paraphrasing modes
  • Built-in citation generator and summariser
CONS
  • Paraphrased output can sometimes alter original meaning
Best for
Paraphrasing and vocabulary enhancement
Where it falls short
Paraphrased output can sometimes alter the original meaning.
Pick something else if
you need guaranteed semantic preservation in rewritten text.
85.7
06

Wordtune

An AI writing companion that focuses on rewriting sentences to better convey your tone and intent.

From $9.99 per month
PROS
  • Offers creative and varied sentence rewrites
  • Integrates smoothly with Microsoft Word and Google Docs
CONS
  • Limited free trial usage limits per day
Best for
Sentence-level rewriting and tone adjustment
Where it falls short
The free trial restricts usage to a limited number of rewrites per day.
Pick something else if
you need unlimited daily rewriting without paying.
83.3
07

Jasper

A generative AI platform equipped with robust editing and proofreading features tailored for marketing teams.

From $39/month
PROS
  • Extensive template library for various video formats
  • Strong brand voice customisation capabilities
CONS
  • Higher price point compared to niche alternatives
  • Can occasionally produce generic marketing copy
Best for
Enterprise marketing teams and professional copywriters
Where it falls short
It has a higher price point compared to niche alternatives.
Pick something else if
you need a lower cost option.
81.0
08

Notion AI

The connected workspace where better, faster work happens

An integrated AI assistant within the Notion workspace that can proofread, summarise, and edit notes instantly.

From $10 per user per month
PROS
  • Extremely flexible workspace design
  • Affordable add-on pricing
CONS
  • Can have a steep learning curve for beginners
  • Not primarily designed for traditional spreadsheet work
Best for
Knowledge management and notes
Where it falls short
Beginners may struggle with its steep learning curve.
Pick something else if
you need an intuitive tool for immediate use.
78.7
09

Copy.ai

An AI-driven copywriting and editing platform designed to streamline marketing workflows.

Free
PROS
  • Extremely intuitive and fast user interface
  • Generous free tier for beginners
CONS
  • Advanced workflows require a learning curve
  • Less focused on long-form cinematic screenplays
Best for
Social media managers and independent creators
Where it falls short
Access to advanced AI models requires a paid subscription.
Pick something else if
you need those models on a tight budget.
76.3
10

GrammarCheck

A straightforward web-based tool for quickly scanning short text snippets for basic spelling and grammar mistakes.

Free
PROS
  • Completely free to use without registration
  • Instant analysis for simple grammar errors
CONS
  • Lacks advanced stylistic suggestions and integrations
Best for
Quick one-off basic grammar checks
Where it falls short
Lacks advanced stylistic suggestions and integrations.
74.0

Put your company on this ranking

Ask us for a quote for one, two or three years. Nothing recurring.

Positions #4 to #10 are available to larger companies. Contact us.

Not on this ranking?

Tell us about your company and we will reply by email.

Contact us

Frequently asked questions

What is the best AI proofreading tool for students?

Grammarly and QuillBot are popular choices among students due to their affordable plans, citation tools, and reliable academic tone adjustments.

Are AI proofreaders accurate?

Yes, modern AI proofreaders are very accurate at catching spelling mistakes and grammatical errors, though human review is still recommended for nuanced creative writing.

Can AI proofreading tools check languages other than English?

Many tools like LanguageTool support multiple languages, while others like Grammarly focus primarily on English dialects.

Sources

Where we checked each company's facts, and when.

Some links on Lister are affiliate links. Rankings are not affected.

Related rankings

All AI Tools →

Related rankings in Software and AI

More focused rankings: Ad creative tools, Email marketing tools, Content marketing platforms.