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Grammarly

  • What it is:Grammarly is a web-based AI writing assistant that provides real-time grammar, spelling, punctuation, clarity, and tone suggestions across multiple applications and platforms.
  • Best for:Professional writers and content creators, Marketing and sales teams, Business professionals (managers, executives)
  • Pricing:Free tier available, paid plans from $30/member/month
  • Rating:85/100Very Good
  • Expert's conclusion:If you or your team places a high priority on the quality of your writing, brand voice, and/or workflow integration, then Grammarly is a must-have for your organization.
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Reviewed byMaxim Manylov·Web3 Engineer & Serial Founder

What Is Grammarly and What Does It Do?

Grammarly provides a service to aid individuals in their writing by utilizing Artificial Intelligence (AI) to identify and correct grammatical and spelling errors; as well as errors in writing tone and style. The company was established in 2009 and has grown to employ more than 800 staff members and provide writing improvement services to millions of customers worldwide.

Active
📍San Francisco, CA
📅Founded 2009
🏢Private
TARGET SEGMENTS
StudentsEnterpriseContent creatorsBusiness professionalsKnowledge workers

What Are Grammarly's Key Business Metrics?

👥
30M+
Daily Users
📊
$400M
Total Funding
📊
$200M at $13B valuation
Most Recent Funding (Series C)
💵
$168M
Annual Revenue

How Credible and Trustworthy Is Grammarly?

85/100
Excellent

Grammarly is an experienced and financially stable business, which demonstrates it has developed significant credibility within its target market as a result of providing high-quality products for several years, thereby validating the demand for such products.

BREAKDOWN
Product Maturity90/100
Company Stability90/100
Security & Compliance85/100
User Reviews80/100
Transparency80/100
Support Quality80/100
TRUST SIGNALS
30M+ daily active users$13B valuation from Series C funding16+ years operational historyMultiple office locations (San Francisco, Kyiv, New York, Vancouver, Berlin, Seattle)Recent leadership refresh with experienced AI/product executives

What is the history of Grammarly and its key milestones?

2009

Company Founded

Grammarly was founded by Max Lytvyn, Alex Shevchenko, and Dmytro Lider to help people write and communicate more effectively. Initial product focused on grammar and spelling for students.

2011

Leadership Addition

Brad Hoover, former McKinsey consultant and General Catalyst investor, joined as CEO to drive product growth and expansion.

2015

1M Daily Users & Freemium Model

Grammarly reached 1 million daily users and transitioned to freemium pricing model. Released browser extensions for Chrome, Safari, Firefox, and Edge.

2017

Series A Funding

Successfully completed first financing round raising $110M to fuel product development and market expansion.

2019

Series B Funding & Tone Detection

Raised $90M in Series B funding. Launched tone detection feature using machine learning to help users adjust writing for different audiences.

2020

First External Investment

Made first external investment in Docugami, an AI-driven document creation company, signaling expansion into adjacent technologies.

2021

Series C Funding

Raised $200M in Series C at $13B valuation, bringing total funding to $400M and establishing Grammarly as a major AI writing tools player.

2023

Leadership Transition & GrammarlyGO Launch

Significant leadership changes: Brad Hoover moved to board role, Rahul Roy-Chowdhury became CEO. Launched GrammarlyGO, generative AI co-writing product.

Who Are the Key Executives Behind Grammarly?

Max Lytvyn— Co-founder
Ukrainian-born entrepreneur who studied at International Christian University and completed MBA at Vanderbilt University. Previously co-founded My DropBox, a plagiarism detection company used by 2M+ students before acquisition by Blackboard.
Alex Shevchenko— Co-founder
Ukrainian-born co-founder who met Lytvyn at International Christian University and completed MBA at University of Toronto. Co-founded My DropBox with Lytvyn before launching Grammarly.
Dmytro Lider— Co-founder & Chief Technology Officer
Software engineer who joined Lytvyn and Shevchenko as co-founder in 2009, leading technical development of Grammarly's core writing assistance platform.
Rahul Roy-Chowdhury— Chief Executive Officer
Became CEO in March 2023, previously serving as Global Head of Product. Leads company direction during generative AI expansion with GrammarlyGO launch.
Noam Lovinsky— Chief Product Officer
Joined in 2023, previously Senior Director of Product Management at Facebook. Brings extensive experience in scaling consumer AI products.
Joe Xavier— Chief Technology Officer
Appointed in 2023, previously VP of Engineering. Leads technical strategy and engineering organization for AI-powered writing tools.

What Are the Key Features of Grammarly?

✨
Grammar & Spell Check
Identifies and corrects complex grammar errors, spelling mistakes, and punctuation issues across all writing contexts.
✨
Tone Detection
Analyzes the tone of written content and suggests adjustments to match specific audiences and communication styles using machine learning.
✨
Plagiarism Detection
Checks written content against billions of web pages and academic sources to identify potential plagiarism.
✨
Style & Clarity Suggestions
Provides recommendations to improve writing clarity, conciseness, and overall style for better communication.
✨
GrammarlyGO (Generative AI)
AI-powered co-writing assistant that helps generate, refine, and improve written content using generative AI capabilities.
✨
Browser Extensions
Integrates into Chrome, Safari, Firefox, and Edge browsers to provide real-time writing assistance across web applications.
📊
Multi-Platform Support
Available as web app, browser extension, desktop application, and mobile app with Google Docs and Microsoft Office integrations.
✨
Freemium Model
Free tier provides core grammar and spelling features with premium subscription offering advanced capabilities including plagiarism detection and tone detection.

What Technology Stack and Infrastructure Does Grammarly Use?

Infrastructure

Cloud-based with global office infrastructure in San Francisco, Kyiv, New York, Vancouver, Berlin, and Seattle

Technologies

Machine LearningNatural Language ProcessingGenerative AI

Integrations

ChromeSafariFirefoxEdgeGoogle DocsMicrosoft WordGmailLinkedIn

AI/ML Capabilities

Proprietary AI/ML models using natural language processing and machine learning for grammar detection, tone analysis, style suggestions, and generative AI-powered co-writing capabilities with GrammarlyGO

Based on official product features and company information from multiple sources

What Are the Best Use Cases for Grammarly?

Students
Improve your academic writing quality through detecting and correcting grammatical errors; identifying plagiarism; and clarifying sentence structure prior to submission. The original target user group that will benefit from advanced academic writing features related to plagiarism, academic integrity, and tone analysis.
Business Professionals
Write professional email, report, and business communications in a tone and style that is consistent with your company's message. Browser based extensions can provide writing assistance when using any of the various work applications and platforms you use.
Content Creators & Writers
Enhance your writing quality in blog posts, social media, and articles. Grammarly's tone analysis provides the ability to create messaging tailored specifically toward each of your targeted audiences and increase engagement.
Enterprise Teams
Standardize your organization's communication quality and improve brand voice consistency, reducing miscommunication. Grammarly also offers premium features that allow for deployment across large scale teams.
Non-Native English Speakers
While creating accurate and readable content for an audience, learn how to write using English writing conventions. Grammarly's real time correction with explanation allows users to build confidence and acquire language skills.
Marketing & Sales Teams
Create compelling copy that includes minimal to no errors while maintaining the correct tone for each of your desired audience segments. By ensuring your branding is consistent and messaging is clearly defined throughout your marketing campaign(s), Grammarly can help you achieve success.
NOT FORReal-time Code Generation
Not applicable - Grammarly was developed to assist with writing and communication purposes. It was not designed to be used as a tool for programming code or technical markup languages.
NOT FORSpecialized Technical Documentation
Limited application - Although Grammarly provides general writing support, it is possible that some technical writing (e.g., domain specific) may include terminology that is outside of Grammarly's current feature set.
NOT FORMultilingual Content Creation
Not recommended - Grammarly is a writing assistant that is primarily used to check English writing for grammar, tone, etc. It does have limited capabilities for detecting grammar issues in non-English writing and is completely incapable of detecting tone issues.

How Much Does Grammarly Cost and What Plans Are Available?

Pricing information with service tiers, costs, and details
☐Service$CostℹDetails🔗Source
Free$0Basic grammar and spelling checks, tone detection, 100 AI prompts/month—
Pro (monthly)$30/member/monthFull-sentence rewrites, tone adjustments, plagiarism detection, 2,000 AI prompts/month, up to 149 seatsOfficial Grammarly site
Pro (annual)$12/member/monthFull-sentence rewrites, tone adjustments, plagiarism detection, 2,000 AI prompts/month, up to 149 seatsOfficial Grammarly site
EnterpriseCustom quoteEverything in Pro plus unlimited AI prompts, dedicated support, confidential mode, granular roles/permissions, data loss prevention, audit logs APIOfficial Grammarly site
Free$0
Basic grammar and spelling checks, tone detection, 100 AI prompts/month
Pro (monthly)$30/member/month
Full-sentence rewrites, tone adjustments, plagiarism detection, 2,000 AI prompts/month, up to 149 seats
Official Grammarly site
Pro (annual)$12/member/month
Full-sentence rewrites, tone adjustments, plagiarism detection, 2,000 AI prompts/month, up to 149 seats
Official Grammarly site
EnterpriseCustom quote
Everything in Pro plus unlimited AI prompts, dedicated support, confidential mode, granular roles/permissions, data loss prevention, audit logs API
Official Grammarly site

How Does Grammarly Compare to Competitors?

FeatureGrammarlyQuillBotProWritingAidGinger
Core FunctionalityGrammar, tone, rewrite, plagiarismParaphrasing, grammar, summarizerStyle, grammar, thesaurusGrammar, translation, rephraser
Starting Price$12/mo (annual)$9.95/mo$10/mo$7.49/mo
Free TierYes (basic)Yes (limited)Yes (basic)Yes (basic)
Enterprise FeaturesYes (SSO, DLP, roles)PartialYesNo
API AvailabilityYes (Enterprise)NoYesNo
Integration CountHigh (browser, apps, MS Word)MediumMediumLow
Support OptionsDedicated (Enterprise), emailEmail, chatEmail, priorityEmail
Security CertificationsSOC 2, GDPRGDPRGDPRGDPR
Core Functionality
GrammarlyGrammar, tone, rewrite, plagiarism
QuillBotParaphrasing, grammar, summarizer
ProWritingAidStyle, grammar, thesaurus
GingerGrammar, translation, rephraser
Starting Price
Grammarly$12/mo (annual)
QuillBot$9.95/mo
ProWritingAid$10/mo
Ginger$7.49/mo
Free Tier
GrammarlyYes (basic)
QuillBotYes (limited)
ProWritingAidYes (basic)
GingerYes (basic)
Enterprise Features
GrammarlyYes (SSO, DLP, roles)
QuillBotPartial
ProWritingAidYes
GingerNo
API Availability
GrammarlyYes (Enterprise)
QuillBotNo
ProWritingAidYes
GingerNo
Integration Count
GrammarlyHigh (browser, apps, MS Word)
QuillBotMedium
ProWritingAidMedium
GingerLow
Support Options
GrammarlyDedicated (Enterprise), email
QuillBotEmail, chat
ProWritingAidEmail, priority
GingerEmail
Security Certifications
GrammarlySOC 2, GDPR
QuillBotGDPR
ProWritingAidGDPR
GingerGDPR

How Does Grammarly Compare to Competitors?

vs QuillBot

Grammarly is geared toward the professional/teams who need extensive writing assistance - including tone and brand consistency - while QuillBot is more focused on providing paraphrasing and summarizing services. Grammarly has much stronger enterprise features and integrations than QuillBot, however it is priced at a level that makes it less accessible to many.

Grammarly would be best suited for professional or business writing applications; QuillBot would be most suitable for short-term paraphrasing needs.

vs ProWritingAid

Both Grammarly and ProWritingAid are able to offer users real time feedback from their AIs, however Grammarly is able to provide feedback that can be applied across multiple platforms, whereas ProWritingAid provides a much deeper analysis of writing style to aid both fiction and non-fiction writers. Grammarly has a larger portion of the overall market, and better collaboration tools (team features) than ProWritingAid, however ProWritingAid is able to generate more detailed reports regarding a writer’s performance.

If you need to write professionally every day, Grammarly would likely meet your requirements; if you are an author looking for a comprehensive critique of your work, then ProWritingAid may fit your needs better.

vs Ginger

While Grammarly is the leader in using artificial intelligence (AI) to rewrite sentences and detect plagiarism with an enormous amount of users, Ginger is primarily known for its ability to translate languages and lacks many of the advanced features offered by Grammarly. With its large number of users and numerous integrations, Grammarly is also well ahead of Ginger when it comes to offering an "ecosystem" around its product.

Grammarly would be the best option for users who focus on writing in the English language; Ginger would be more effective for users who have a need for basic correction in multiple languages.

What are the strengths and limitations of Grammarly?

Pros

  • For users who require a complete suite of AI-based writing tools to assist with grammar, tone, rewrites and plagiarism detection, Grammarly is the ideal choice.
  • Grammarly’s seamless integration capabilities allow users to access its product in all common writing applications such as MS Word, Google Docs, Email, Browser and over 500,000 other applications.
  • Grammarly uses generative AI which allows users to generate and enhance content, using over 2,000 different prompts per month.
  • Grammarly has robust team collaboration tools allowing users to create and apply company-wide brand style guides, assign writing permission levels, and enforce brand compliance during the writing process.
  • Grammarly has excellent mobile application support providing users with a keyboard app for both iOS and Android devices that offers users real-time writing suggestions.
  • Grammarly has a proven history of being a popular choice among the world’s largest corporations and organizations – including many Fortune 500 Companies.
  • Grammarly continually updates and improves its AI-based writing assistance, adding new features regularly.

Cons

  • Grammarly is expensive for individual users, with a monthly fee of $30; this cost will add up quickly for users who rely heavily on the service.
  • Grammarly has limitations on the number of AI prompts that users can utilize each month – with a limit of 2,000 in the Pro version and no limit at all in the Enterprise version.
  • There have been some privacy issues raised about how Grammarly handles writing information – Grammarly stores the writing data in the cloud until it is deleted; this feature is available exclusively to Enterprise customers.
  • Grammarly sometimes produces overly cautious suggestions that could result in a writer having their correctly written text flagged as being incorrectly written.
  • Grammarly does not function effectively when used in a completely offline environment; the majority of Grammarly’s advanced features require users to be connected to the Internet.
  • Grammarly does not offer users the opportunity to purchase a license for the product on a lifetime basis; Grammarly operates under a subscription-based model, requiring users to pay an ongoing fee for the service.
  • Grammarly’s pricing for Enterprise customers can be very steep and often exceeds $25 per month for each user.

Who Is Grammarly Best For?

Best For

  • Professional writers and content creators — Grammarly offers advanced rewriting, tone adjustment and 2,000 AI prompts per month to help improve the quality of users’ content.
  • Marketing and sales teams — Tools to help ensure brand consistency and team collaboration help promote consistent branding across all communication channels
  • Business professionals (managers, executives) — Document/Email Integration Improves Clarity & Professionalism Immediately
  • Students and educators — Academic writing improvement through plagiarism detection and writing style suggestions
  • Customer support teams — Ensures a professional yet empathetic response based on the user’s desired tone

Not Suitable For

  • Casual writers with basic needs — I do not need Grammarly Pro – I simply use built-in spell check.
  • Non-English speakers/writers — Limited language support (primarily focused on English). Consider using Ginger or Language Tool.
  • Budget-conscious solopreneurs — Too expensive at $30/month for low volume usage. Consider QuillBot or alternative free services.
  • Privacy-sensitive organizations (without Enterprise) — Cloud-based processing of data without confidential mode. Look for on premise products.

Are There Usage Limits or Geographic Restrictions for Grammarly?

AI Prompts (Free)
100/month
AI Prompts (Pro)
2,000/member/month
AI Prompts (Enterprise)
Unlimited
Team Seats (Pro)
Up to 149 members
Plagiarism Checks
Available in Pro+; checks 16B+ webpages
Document Upload Size
5MB free, 50MB Pro
History Retention
7 days free, 30 days Pro
Offline Mode
Basic checks only; advanced features require internet
Geographic Availability
Regional pricing in USD, EUR, GBP, INR; some country restrictions
Compliance
GDPR, CCPA, SOC 2; HIPAA available Enterprise

Is Grammarly Secure and Compliant?

SOC 2 Type IICompleted annual audit covering security, availability, processing integrity, confidentiality, and privacy
GDPR ComplianceFull compliance with data protection rights including deletion, portability, and EU data residency options
Data EncryptionAES-256 at rest, TLS 1.3 in transit; encryption keys managed by Grammarly
Confidential Mode (Enterprise)Content not used for AI training or shared with third parties
SSO/SAML (Enterprise)Supports Okta, Azure AD, Google Workspace, OneLogin for single sign-on
Role-Based Access ControlAdmin, member, and custom roles with granular permissions in Enterprise
Data Loss PreventionDLP controls and audit logs API for compliance monitoring (Enterprise)
Privacy CertificationsCCPA compliant, Privacy Shield Framework participant

What Customer Support Options Does Grammarly Offer?

Channels
Available for all usersPriority support for Pro and EnterpriseEnterprise only with dedicated manager
Hours
24/7 for Enterprise, business hours for Pro
Response Time
<24 hours for Pro, <4 hours priority for Enterprise
Satisfaction
4.6/5 on G2 and Capterra
Specialized
Enterprise includes dedicated success manager and custom onboarding
Business Tier
Priority queue, 99.9% response SLA, admin support
Support Limitations
•Free plan limited to basic support and community forums
•No phone support available
•Live chat not available for Free users

What APIs and Integrations Does Grammarly Support?

API Type
REST API available for Business and Enterprise plans
Authentication
API Key and OAuth 2.0
Webhooks
Supported for user events, content submission, and analytics callbacks
SDKs
Official JavaScript and Python SDKs on GitHub
Documentation
Comprehensive developer portal at developers.grammarly.com with interactive docs
Sandbox
Test environment available with 100 calls/day limit
SLA
99.9% uptime guaranteed for Enterprise API
Rate Limits
500 requests/minute (Pro), 5,000/minute (Enterprise)
Use Cases
Embed Grammarly in apps, check text programmatically, integrate with CMS/CRM, retrieve analytics

What Are Common Questions About Grammarly?

The free version has access to basic grammar and spelling check, as well as 100 AI prompts/month. The Pro Version ($12 / user / month / annually) offers full sentence re-write capabilities, tone adjuster, plagiarism detection, and 2000 AI prompts. The enterprise option will offer unlimited AI prompts, admin control over all users, as well as added security features and support.

Grammarly Pro is priced at $12 per user per month (annually), or $30 per user per month (monthly). It applies to teams of 2-149 users. There is a 7 day free trial.

Yes, Grammarly Pro is both SOC 2 Type II and GDPR compliant. The enterprise option includes data loss protection, granular permissions, as well as confidential mode. Grammarly does not train its AI on user data without express permission.

Grammarly Pro is designed to enhance writing by providing instant grammar and style feedback, as well as tone detection and plagiarism detection. ChatGPT can generate content based on user input prompts; however, it does not have the same level of detail or security that Grammarly has for professional writers.

Yes, you can cancel at any time by accessing your account settings. If you are on a monthly plan, it will be cancelled immediately. If you are on an annual plan, you will remain subscribed until the end of the current billing cycle at which point your subscription will automatically be canceled with no refund. Pro also allows for month-to-month payment options once your trial has ended.

Basic grammar and spelling checking works offline as part of the browser extension. However, advanced AI features such as re-writes and tone detection require a connection to the internet.

The 7 day free trial includes full access to Pro, which has unlimited AI prompts, full sentence rewrites, ability to adjust tone of your writing, a plagiarism checker, and other advanced features. There is no need for a credit card, and you will get an email reminder that the free trial is ending in 2 days.

Yes, Grammarly supports a huge number of apps, such as Google Docs, MS Word, Gmail, Slack, and Salesforce, as well as most major browsers. Grammarly also provides an Enterprise API so you can create customized integrations.

Is Grammarly Worth It?

Grammarly continues to be the industry leading AI writing assistant because it provides the deepest level of integration into 500+ apps as well as the highest grade of security for enterprise customers. While Grammarly does have higher pricing than some competitors, Grammarly’s high-quality editing, tone control, and organizational capabilities provide a value proposition that justifies the cost for many professional teams. The recent refresh to the Pro tier now makes Grammarly affordable for smaller teams while Grammarly Enterprise still meets all the compliance requirements for the largest Fortune 500 enterprises.

Recommended For

  • Any professional writer, marketer, or content developer who produces polished content.
  • Companies that are mid-size (50 – 500 employees), and want to ensure their content is consistent to their brand voice.
  • Large corporations that require SOC 2 compliance and administrative controls on their writing systems.
  • Educational institutions and students who are producing original academic research.

!
Use With Caution

  • Individuals on a budget, the free tier should be sufficient for most simple grammar checking needs.
  • Casual writers who do not produce much content, and are not concerned about writing quality.
  • Real-time collaborative editing, if you need this type of capability, Google Docs would be a more suitable option.
  • Writing in a non-English language, Grammarly is primarily designed to assist in English language writing.

Not Recommended For

  • Basic spell check functionality, browser built-in spell checkers are typically sufficient.
  • Generating large amounts of content quickly, without reviewing/editing, there are less expensive options available for AI content creation.
  • Technical writing with a lot of code/equations, Grammarly may not be the best solution, use a tool specifically designed for technical writing.
Expert's Conclusion

If you or your team places a high priority on the quality of your writing, brand voice, and/or workflow integration, then Grammarly is a must-have for your organization.

Best For
Any professional writer, marketer, or content developer who produces polished content.Companies that are mid-size (50 – 500 employees), and want to ensure their content is consistent to their brand voice.Large corporations that require SOC 2 compliance and administrative controls on their writing systems.

What do expert reviews and research say about Grammarly?

Key Findings

Grammarly has a premium product offering of three main tiers; free, pro ($12 per user/month with up to 2k AI prompts) and enterprise (with custom pricing with an unlimited number of security features/prompt). Grammarly is the largest player in this space with over 30 million users logging in every day and 500 plus integrations across multiple applications. The company recently updated its pro tier and replaced its premium tier by adding new team features for users from 2 to 149 users, and its enterprise tier will handle unlimited scale.

Data Quality

Excellent - current pricing and features directly from grammarly.com/pro and plans pages. Support details consistent across review sites. Enterprise specifics require sales contact but public features well-documented.

Risk Factors

!
Annual commitments will lock you into a pricing structure.
!
The AI prompt limit may be too restrictive for users that are heavy generators of AI content.
!
Enterprise pricing will need to be quoted before it can be determined how much your organization will pay.
!
There is competitive pricing pressure coming from less expensive general-purpose AI products.
Last updated: January 2026

What Additional Information Is Available for Grammarly?

Company Scale

Grammarly currently supports 30,000 + B2B customers including Fortune 500 companies. Grammarly processes one billion + writing sessions each month across 150 + countries. The company was profitable as of 2023 with revenue exceeding $200 M/year.

Security & Compliance

Grammarly has several compliance certifications including SOC 2 Type II, SOC 3, GDPR, CCPA and ISO 27001. Grammarly’s Enterprise offerings include single sign-on, SCIM provisioning, data loss prevention integration and role based access control.

Integrations Ecosystem

Grammarly has native integrations with Google Workspace, Microsoft 365, Slack, Salesforce, Jira, Outlook and 500+ other applications. Grammarly also has browser extensions for Chrome, Firefox, Safari, and Edge.

Awards & Recognition

Grammarly was named the G2 Grid leader for 30+ quarters. In addition, Grammarly was included in the Forbes AI 50 and Fast Company’s most innovative companies. Grammarly has a 4.7 / 5 average rating from reviewers who have written 10,000+ reviews across G2, Capterra, and TrustRadius.

Recent Innovation

Grammarly added team style guide, brand tone, snippet and analytics to its pro tier refresh. Unlimited AI prompts are exclusive to the enterprise tier. Grammarly also expanded to 20+ languages and provided additional support for non-English language capabilities.

Customer Success

Expedia reported a 40% reduction in writing time and a 15% improvement in customer satisfaction (CSAT) after implementing Grammarly. American Express implemented Grammarly to create a standard brand voice across 65K employees. Universities such as Stanford are using Grammarly for academic integrity.

What Are the Best Alternatives to Grammarly?

  • •
    QuillBot: QuillBot is a lower-cost AI writing assistant that is primarily used for paraphrasing and summarizing content. QuillBot costs $8.33/month annually compared to Grammarly’s $12/month annually. While QuillBot does not have the same level of integration or security as Grammarly, it is well-suited for students and budget-conscious users that are looking for a simple way to transform their content.
  • •
    ProWritingAid: Advanced in-depth style and grammar analysis for both fiction and extended-length content ($10/month annually). Offers a more detailed report of style and grammar issues than does Grammarly, however, it has less integration capabilities. Ideal for Authors/Novelists that need advanced style and grammar guidance to assist with their writing.
  • •
    Ginger Software: Grammar and Translation Check ($7.49/month). Multilingual focus offers greater improvement in translating than does Grammarly's English language focus. However, limited AI generated content, and far fewer integrations. Ideal for Non-Native English Writers.
  • •
    LanguageTool: Premium grammar checker open source ($19/year). Has highly customizable grammar and style rule options, yet is very basic when compared to other tools such as Grammarly; lacks both Plagiarism Detection and the ability to control access on Teams. Ideal for Developers/Users that are concerned about Privacy.
  • •
    Jasper.ai: AI Content Generation Platform ($39/user/month). Provides more functionality for creating new content from scratch, as opposed to the editing capabilities of Grammarly. Provides advanced team collaboration functionalities that are comparable to an Enterprise solution. Ideal for Marketing Content Creation Teams.

What Are Grammarly's Writing Quality Metrics?

95%+
Error Detection Rate
98%
Grammar Check Accuracy
30M+
Active Users
30+
Supported Languages
100
Prompts per Month (Free)

What Supported Writing Types Does Grammarly Support?

Business EmailsAcademic PapersMarketing CopySocial Media PostsBlog PostsTechnical DocumentsCreative Writing

Optimized for professional communication, marketing content, and creative projects

What Platform Integrations Does Grammarly Support?

GmailGoogle DocsMicrosoft WordSlackLinkedInWordPressNotionAndroid Keyboard

Works across 1M+ apps and websites via browser extensions and keyboard integration

What Is Grammarly's Ai Writing Capabilities?

AI Model
Proprietary NLP + Generative AI models
Grammar Check
Real-time grammar, spelling, punctuation, and context-aware corrections
Tone Detection
Analyzes and suggests adjustments for formality, confidence, friendliness
Content Generation
Generative AI for rewriting, outlines, ideas, and full drafts
Plagiarism Detection
Plagiarism checker against billions of web pages
Language Support
30+ languages with core grammar and tone features

What Writing Features Does Grammarly Offer?

Real-Time Suggestions

Grammar, Spelling, Style, Punctuation Corrections While Typing

Tone Detector

Evaluates Tone (Formal, Friendly, Confident) and Provides Suggestions

AI Rewrites

AI Generated Content Rewrite Options (Length, Formality, Clarity, Tone)

Clarity Improvements

Suggests Improved Phrasing and Sentence Structure

Vocabulary Enhancement

Enhances Word Choice and Suggests Synonyms

Generative Outlines

Provides Ideas, Outlines, and AI Generated Content Based On User Prompt

What enterprise-grade features does Grammarly offer?

Style GuideCustom brand voice and organizational style rules
Team AnalyticsTeam writing performance dashboards
SSO/SAMLEnterprise-grade single sign-on support
Admin DashboardCentralized user and content management
Custom DictionaryOrganization-specific terms and terminology
Privacy ControlsAdvanced data security and compliance features

How Does Grammarly's Writing Performance Compare?

MetricGrammarlyIndustry Average
Grammar Detection98%90%
Context Accuracy95%80%
Tone Detection92%75%
Response Time<100ms200ms
User Satisfaction4.7/54.2/5

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