7 Best AI Grammar Checkers 2024 (Fix Your Grammar Fast)

by Chris Von Wilpert, BBusMan • Last updated November 23, 2023

Expert Verified by Leandro Langeani, BBA

First-Person Perspective: We buy, test and review software products based on a 3-step rating methodology and first-hand experienceIf you buy through our links, we may get a commission. Read our rating methodology and how we make money.

Today there are 92 different AI grammar checkers. We spent 55 hours comparing the top 50 to find the seven best you can use to boost the quality of your writing.

What is the Best AI Grammar Checker?

  1. Grammarly — best of the best
  2. ProWritingAid — best for in-depth analyses 
  3. Ginger Software — best budget option
  4. WhiteSmoke — best multi-platform grammar checker
  5. LanguageTool — best for multiple languages 
  6. PaperRater — best for quick checks
  7. Hemingway Editor — best for readability

Our Verdict — Best Of The Best

Price: Starts at $30/month

Grammarly is a top-notch AI-powered grammar checker for all kinds of devices. We think it’s the best because of its compatibility with multiple devices, advanced features, and user-friendly interface.

The Best Part:

  • It works across all platforms. Grammarly integrates seamlessly with your favorite apps such as Google Docs, Microsoft Word, and even your browser, making it easy to improve your writing on every occasion.

The Worst Part:

  • Occasional false negatives. Sometimes Grammarly might flag something as an error when it's actually correct in context. It's important to double-check its suggestions instead of accepting them blindly.

Get it if you want to improve your writing skills and eliminate grammar mistakes with the help of an intelligent AI-powered tool.

I recommend you get started with the Free plan, then sign up for a Quarterly subscription at $60/quarter.

(free plan)

Best For

Grammarly is best for students, professionals, and writers who want to improve their grammar and writing in general.

Top Features

  • Catch errors on the fly. Grammarly quickly identifies and fixes grammar, punctuation, and spelling mistakes as you type. 

  • Personalized recommendations. Grammarly adjusts its recommendations according to your goals, such as academic, professional, or casual writing.

  • Create your own dictionary. Add words and jargon to your dictionary, so you can avoid false negatives in spelling checks.

  • Better every day. Learn from your mistakes with detailed explanations for each flagged error.

  • Check grammar on the go. Take advantage of Grammarly with their keyboard apps for Android and iPhone. Keep your writing pristine, even when you're texting.

Pricing

Grammarly offers four pricing plans:

  • Monthly: $30/month for users who want all of the premium Grammarly features for a month.
  • Quarterly: $60/quarter for users who want all of the premium Grammarly features for three months
  • Annual: $144/year for users who want all of the premium Grammarly features for a year, with a discounted rate.
  • Grammarly Business: Starts at $45/month for teams who want centralized billing, monitoring tools, and premium features to improve their communication and content quality.

The annual plan provides a 60% discount.

Try Grammarly today with the free plan.

Our Verdict — Best For In-Depth Analyses

Price: Starts at $30/month

ProWritingAid is an AI editing tool for writers who want the most comprehensive grammar and style checker. We think it’s the best for in-depth analyses because of its real-time error detection, in-depth reports, and extensive integration roster.

The Best Part:

  • In-depth reports. ProWritingAid's reports help you understand your strengths and weaknesses, allowing you to improve your skills over time. 

The Worst Part:

  • It may be a bit overwhelming. ProWritingAid's massive collection of reports can be a tad overwhelming for newbies, making it tough to focus.

Get it if you want a comprehensive grammar checker that offers the most in-depth writing and grammar analyses in the industry.

I recommend you get started with the Free plan, then get the Premium plan for $120/year.

(free plan)

Best For

ProWritingAid is best for writers of all levels who want an AI-powered tool that corrects their grammar mistakes and enhances their writing style.

Top Features

  • Take a deep dive. ProWritingAid's reports will reveal all of your writing’s strengths and weaknesses. You’ll get deep insights even human editors might fail to realize.

  • Take it with you. ProWritingAid works on Microsoft Word, Google Docs, Scrivener, and web browsers. It even offers API access for developers.

  • Get rid of clichés and redundancies. ProWritingAid helps you ditch overused phrases and repetitive language, too keep your writing more interesting to readers. 

  • Keep it consistent. Ensure your spelling, capitalization, and punctuation are consistent throughout all of your work. ProWritingAid will scan your document and spot any discrepancies.

  • It’s like your personal grammar checker. ProWritingAid provides advice tailored to the specific genre or type of writing you're working on. It’s excellent at generating context-specific tips and corrections.

Pricing

ProWritingAid offers four pricing plans:

  • Free: Free forever, for writers who want basic writing suggestions for documents of up to 500 words.
  • Monthly Premium: $30/month for authors and professional writers who need unlimited word count, analyses, and advanced style improvements.
  • Yearly Premium: $120/year for authors and professionals who want all the features of the Monthly Premium plan with a big discount.
  • Lifetime Premium: $399 one-time payment, for authors and professional writers who want to unlock ProWritingAid's full power for life.

The annual plan provides a 67% discount.

Try ProWritingAid today with the free plan.

Our Verdict — Best Budget Option

Price: Starts at $13.99/month

Ginger Software is an affordable, user-friendly AI grammar checker that gets it done. We think it’s the best budget option because of its affordable pricing, instant error detection, and one-click bulk correction.

The Best Part:

  • One-click bulk correction. Ginger Software lets you fix all grammar mistakes in your document with just one click, saving you the hassle of correcting each error individually. 

The Worst Part:

  • Inconvenient mobile app. Ginger Software's mobile app requires that you write within it for corrections, rather than working seamlessly with other apps on your phone.

Get it if you want an affordable AI grammar checker that you can use on your writing projects.

I recommend you get started with the Free plan, then get the Monthly plan for $13.99/month.

(free plan)

Best For

Ginger Software is best for students and writers who want an affordable AI grammar checker to polish their written content.

Top Features

  • Always find the right words. Ginger Software's built-in thesaurus provides synonyms for not-so-great word choices, allowing you to quickly select the perfect fit and continue editing.

  • Faster editing. Ginger Software's shortcuts let you access its features in a flash, making your editing process way more efficient.

  • Sit back and relax. Ginger Software's text-to-speech feature reads your text aloud, helping you catch awkward phrasings or missed errors without having to reread the entire piece.

  • It perfects your punctuation. Ginger Software helps you place commas, periods, and other punctuation marks correctly for flawless writing.

  • Write together with your team. With Ginger Teams, multiple users can collaborate on docs to keep grammar and style consistent, all the way through

Pricing

Ginger Software offers six pricing plans:

  • Free: Free forever, for casual users who need basic grammar checking.
  • Monthly: $13.99/month for users who require advanced features and unlimited access.
  • Quarterly: $33.57/quarter for users who want a short-term AI grammar checker solution for their projects at a discounted rate.
  • Annual: $84/year for individuals looking to save money while enjoying all premium features.
  • 2 years: $120/two years for long-term users who want the best value.
  • Ginger Teams: $29.97/month for teams who want collaborative editing tools and centralized billing.

Annual plans provide a 40% discount.

Try Ginger Software today with the free plan.

Our Top Three Picks

Here’s a quick summary of our top three picks:

  1. Grammarly — best of the best
  2. ProWritingAid — best for in-depth analyses
  3. Ginger Software — best budget option

Here’s a quick comparison of our top seven picks:

Tool

Entry Offer

Pricing

Grammarly

Free plan

Starts at $30/mo

ProWritingAid

Free plan

Starts at $30/mo

Ginger Software

Free plan

Starts at $13.99/mo

WhiteSmoke

31-day money-back guarantee

Starts at $59.95/yr

LanguageTool

Free plan

Starts at $24.90/mo

PaperRater

Free plan

Starts at $14.95/mo

Hemingway Editor

Free plan

$19.99

Here are the top 50 AI grammar checkers we considered in this review:

  1. Grammarly
  2. ProWritingAid
  3. Ginger Software
  4. WhiteSmoke
  5. LanguageTool
  6. PaperRater
  7. Hemingway Editor
  8. Readable.io
  9. Slick Write
  10. After the Deadline
  11. 1Checker
  12. Microsoft Editor
  13. SentenceCheckup
  14. Writer
  15. Virtual Writing Tutor
  16. SpellCheckPlus Pro
  17. Reverso Speller and Grammar Checker
  18. Typely
  19. OnlineCorrection.com
  20. GrammarCheck.me
  21. GramMark.org
  22. CorrectEnglish
  23. Ediket
  24. JetPack Proofreading Module for WordPress sites
  25. Antidote
  26. Outwrite
  27. WordRake
  28. Scrivener's Integrated Grammar and Spell Checker
  29. PerfectIt Proofreading Software for Professionals
  30. Expresso App
  31. AutoCrit
  32. StyleWriter
  33. EssayToolBox Grammar Checker
  34. Linguix Grammar & Spell Checker
  35. Textly.ai Writing Assistant
  36. Writefull
  37. Trinka.ai
  38. Sapling AI Writing Assistant
  39. ChatGPT
  40. Wordtune
  41. Grammar Slammer Deluxe
  42. ClearEdits Writing Editing Software
  43. GradeProof Proofreading & Plagiarism Detection
  44. Ulysses' Grammar and Style Check
  45. ContentStudio's Content Editor & Grammar Checker
  46. Setka Editor's Built-in Spell Check
  47. Zoho Writer's Grammar Checker and Style Guide
  48. Gramara
  49. DeepGrammar
  50. Airstory

Is there an AI that checks grammar?

Absolutely, there are many Artificial Intelligence (AI) based systems that help in checking grammar. One of the most prominent ones is Grammarly, a state-of-the-art AI-powered grammar checking tool. It works across multiple platforms and integrates with popular applications like Google Docs. This powerful online grammar checker tool can correct grammatical errors, punctuation mistakes, and even basic spelling errors to ensure your writing is polished and professional.

Grammarly offers a range of pricing options from monthly to annual subscriptions, catering to a wide array of users. It provides both a free version and a premium version, the latter encompassing advanced features such as complex sentence checking and style suggestions for better readability. The tool is so sophisticated that it also includes a personal dictionary feature that allows you to add words unique to you or your industry.

What is the free AI tool for grammar correction?

There are several AI tools for grammar correction available for free. One notable example is the standard version of Grammarly, which provides basic spelling, grammar, and punctuation checks. It's a user-friendly tool that helps in catching grammatical mistakes, punctuation errors, and contextual spelling errors on the fly.

Another option is ProWritingAid's free version, which offers basic writing suggestions up to 500 words. Ginger Software also provides a free version with basic grammar checking. These online tools provide a taste of what the premium versions can offer, making them a great starting point for anyone looking to enhance their writing.

Which is the world’s best grammar checker?

There are several robust grammar checker tools on the market, but Grammarly consistently ranks as one of the best. It's renowned for its user-friendly interface, wide range of advanced grammar checks, and compatibility with different online platforms. From catching run-on sentences and grammatical mistakes to offering style suggestions and readability scores, Grammarly stands as a comprehensive tool for refining your writing.

Does Grammarly work on AI?

Yes, Grammarly works on AI. The tool employs advanced artificial intelligence to identify and correct a broad spectrum of grammatical errors, from basic spelling mistakes to complex sentence structure issues. It offers accurate suggestions by understanding the context and meaning of your text, much like a human editor would do. In addition, Grammarly also provides personalized practice sessions based on your common errors, using AI to help improve your writing skills.

Is there an AI proofreader?

Yes, there are several AI proofreaders available. Grammarly, for instance, not only corrects grammar and spelling errors, but also helps detect style inconsistencies and offers improvements to enhance readability. ProWritingAid is another AI proofreader that offers in-depth writing analysis. It provides a wide range of reports to help you understand your writing strengths and weaknesses, as well as suggest improvements for your text. Ginger Software, on the other hand, is a budget-friendly AI proofreader that features a one-click bulk correction, making the editing process smooth and efficient. 

But keep in mind, while these AI tools are helpful, they might not catch everything. Sometimes, they might even suggest a change that's not needed. So, it's still important to check everything yourself too or hire someone else to do it.

The Bottom Line

To recap, here are the best AI grammar checkers to try this year:

  1. Grammarly — best of the best
  2. ProWritingAid — best for in-depth analyses
  3. Ginger Software — best budget option 
  4. WhiteSmoke — best multi-platform grammar checker
  5. LanguageTool — best for multiple languages 
  6. PaperRater — best for quick checks
  7. Hemingway Editor — best for readability

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