Grammarly

Grammarly was founded in 2009 by Max Lytvyn, Alex Shevchenko, and Dmytro Lider.{{Cite web|date=2018-09-12|title=Grammarly brings its AI-powered proofreading tools to Google Docs|url=https://venturebeat.com/2018/09/12/grammarly-brings-its-ai-powered-proofreading-tools-to-google-docs/|access-date=2021-05-27|website=VentureBeat|language=en-US|archive-date=2021-05-16|archive-url=https://web.archive.org/web/20210516222832/https://venturebeat.com/2018/09/12/grammarly-brings-its-ai-powered-proofreading-tools-to-google-docs/|url-status=live}} The company initially offered a subscription-based product intended to help students improve their grammar and spelling.{{cite news |last=McEvoy |first=Jemima |date=November 23, 2021 |title=Grammarly Founders Become Billionaires From Fixing Your Sloppy Writing |url=https://www.forbes.com/sites/jemimamcevoy/2021/11/23/grammarly-founders-become-billionaires-from-fixing-your-sloppy-writing/ |work=Forbes |access-date=September 19, 2024}} That product was subsequently developed into a writing assistant that checks the grammar, spelling, and tone of a piece of writing.{{cite news |last=McCracken |first=Harry |date=April 1, 2019 |title=On its 10th anniversary, Grammarly looks way beyond grammar |url=https://www.fastcompany.com/90327157/on-its-10th-anniversary-grammarly-looks-way-beyond-grammar |work=Fast Company |access-date=September 28, 2024}}{{cite news |last=Sullivan |first=Mark |date=March 19, 2024 |title=How Grammarly's AI is writing the new rules of writing |url=https://www.fastcompany.com/91033463/grammarly-most-innovative-companies-2024 |work=Fast Company |access-date=September 28, 2024}}

By 2015, Grammarly had one million active daily users.{{cite news |last=Krasnikov |first=Denys |date=July 6, 2018 |title=Grammarly opens new Kyiv office as demand rises for help with English |url=https://www.kyivpost.com/post/7405 |work=Kyiv Post |access-date=September 19, 2024}} That same year, it began offering its flagship product via a freemium model that allowed all users access to the product's basic capabilities while placing more sophisticated features like style recommendations and plagiarism detection behind a paywall.{{cite news |author= |date=February 9, 2022 |title=Two of Grammarly's founders now billionaires with net worth of $4 bn each |url=https://www.businesstoday.in/latest/corporate/story/two-of-grammarlys-founders-now-billionaires-with-net-worth-of-4-bn-each-321945-2022-02-09 |work=Business Today |access-date=September 19, 2024}}{{cite news |last=Wiggers |first=Kyle |date=October 10, 2019 |title=Grammarly raises $90 million for AI that spots grammar errors and plagiarism |url=https://venturebeat.com/ai/grammarly-raises-90-million-for-ai-that-spots-grammar-errors-and-plagiarism/ |work=VentureBeat |access-date=September 19, 2024}} It also launched a browser extension for Chrome, Safari, and Firefox, as well as an add-on for Google Docs.

In 2017, Grammarly raised $110 million in its first funding round.{{cite news |last=Roof |first=Katie |date=May 8, 2017 |title=Grammarly raises $110 million for a better spell check |url=https://techcrunch.com/2017/05/08/grammarly-raises-110-million-for-a-better-spell-check/?guccounter=1 |work=TechCrunch |access-date=September 20, 2024}}

In 2019, Grammarly added a tone detector to its writing assistant. This tool uses set rules and machine-learning to help users gauge the character of their writing and tailor it to a particular audience.{{cite news |last=Lardinois |first=Frederic |date=September 24, 2019 |title=Grammarly gets a tone detectorto keep you out of email trouble |url=https://techcrunch.com/2019/09/24/grammarly-gets-a-tone-detector-to-keep-you-out-of-email-trouble/ |work=TechCrunch |access-date=September 20, 2024}}{{cite news |last=Wiggers |first=Kyle |date=September 24, 2019 |title=Grammarly uses AI to detect the tone and tenor of your writing |url=https://venturebeat.com/ai/grammarly-uses-ai-to-detect-the-tone-and-tenor-of-your-writing/ |work=TechCrunch |access-date=September 20, 2024}} That same year, the company held a second funding round, raising $90 million. In 2020, Grammarly made its first investment in an outside company, participating in a $10 million funding round for Docugami, a company working on AI-driven document generation.{{cite news |last=Bishop |first=Todd |date=May 13, 2020 |title=Grammarly makes first investment, taking stake in Seattle document engineering startup Docugami |url=https://www.geekwire.com/2020/grammarly-makes-first-investment-taking-stake-seattle-document-engineering-startup-docugami/ |work=GeekWire |access-date=September 20, 2024}} In 2021, Grammarly raised another $200 million, at a total valuation of $13 billion, via its third funding round.{{cite news |last=Podder |first=Sohini |date=November 17, 2021 |title=Grammarly raises fresh funds at $13 billion valuation |url=https://www.reuters.com/article/world/americas/grammarly-raises-fresh-funds-at-13-billion-valuation-idUSKBN2I3068/ |work=Reuters |access-date=September 23, 2024}} By this point, Grammarly had approximately 30 million users.{{cite news |last=Wiggers |first=Kyle |date=November 17, 2021 |title=Grammarly raises $200M to expand its AI-powered writing suggestions platform |url=https://venturebeat.com/uncategorized/grammarly-ai-writing-suggestions-startup-raises-200m-at-13b-valuation/ |work=VentureBeat |access-date=September 28, 2024}}

Following the 2022 Russian invasion of Ukraine, Grammarly ceased all business operations in Russia and Belarus. The company also announced that it would donate all the net revenue it had earned in Russia and Belarus since 2014, about $5 million, to Ukrainian humanitarian groups.{{cite web |author=Lila MacLellan |date=March 4, 2022 |title=Ukrainian-founded Grammarly is donating all the money it made in Russia since 2014 |url=https://qz.com/work/2138072/the-tech-company-grammarly-is-donating-its-russian-profits-to-ukraine |url-status=live |archive-url=https://web.archive.org/web/20230213041200/https://qz.com/work/2138072/the-tech-company-grammarly-is-donating-its-russian-profits-to-ukraine |archive-date=February 13, 2023 |access-date=December 9, 2022 |publisher=Quartz}}{{Cite web |last=Renbarger |first=Madeline |title='We feel frustrated': Startup CEOs with teams in Ukraine struggle to help their employees in any way they can |url=https://www.businessinsider.com/us-tech-startups-help-employees-in-ukraine-grammarly-2022-3 |url-status=live |archive-url=https://web.archive.org/web/20230104171904/https://www.businessinsider.com/us-tech-startups-help-employees-in-ukraine-grammarly-2022-3 |archive-date=January 4, 2023 |access-date=2022-03-07 |website=Business Insider}} Additionally, the company paid the salaries of Ukrainians who left their jobs at Grammarly to join the nation's army{{cite news |last=Anand |first=Priya |date=March 21, 2022 |title=Grammarly Continues to Pay Staffers Who Joined Ukrainian Army |url=https://www.bloomberg.com/news/articles/2022-03-21/grammarly-continues-to-pay-staffers-who-joined-ukrainian-army |access-date=October 29, 2024 |work=Bloomberg}} and made its product free for Ukrainian journalists publishing news about the war in English.

In April 2023, Grammarly launched a product using generative AI built on the GPT-3 large language models.{{Cite web |author1=Hamish Hector |date=2023-03-09 |title=Grammarly's ChatGPT upgrade won't just improve your writing, it'll do it for you |url=https://www.techradar.com/news/grammarlys-chatgpt-upgrade-wont-just-improve-your-writing-itll-do-it-for-you |access-date=2023-05-07 |website=TechRadar |language=en |archive-date=May 7, 2023 |archive-url=https://web.archive.org/web/20230507144211/https://www.techradar.com/news/grammarlys-chatgpt-upgrade-wont-just-improve-your-writing-itll-do-it-for-you |url-status=live }} The software can generate and rewrite content based on prompts.{{Cite web |last=Akuchie |first=Michael |date=2023-03-16 |title=GrammarlyGo: Everything You Need To Know About The AI Writing Assistant |url=https://screenrant.com/grammarly-go-ai-writing-assistant-features-explained/ |access-date=2023-05-07 |website=ScreenRant |language=en |archive-date=May 7, 2023 |archive-url=https://web.archive.org/web/20230507144211/https://screenrant.com/grammarly-go-ai-writing-assistant-features-explained/ |url-status=live }} It can also generate topic ideas and outlines for written content such as blog posts and academic essays.{{cite news |last=Chedraoui |first=Katelyni |date=June 11, 2024 |title=Did Apple Intelligence's 'Rewrite' Tool Just Kill Grammarly? |url=https://www.cnet.com/tech/services-and-software/did-apple-intelligences-rewrite-tool-just-kill-grammarly/ |work=CNET |access-date=September 23, 2024}} It has been trained on an anonymized library of business writing and is capable of suggesting clarifying edits and additions to work communications such as emails and chat messages.{{cite news |last=Melendez |first=Steven |date=March 26, 2024 |title=Grammarly's AI can now offer suggestions to make your work messages clearer |url=https://www.fastcompany.com/91068635/grammarly-ai-business-writing |agency=Reuters |access-date=September 23, 2024}} In September 2024, Grammarly announced the release of its Authorship tool, which attempts to identify the original source of a passage of text. It then designates the passage as written by the text's author, lifted from another source, or generated by AI.{{cite news |last=Whitney |first=Lance |date=August 15, 2024 |title=Grammarly to roll out a new AI content detector tool. Here's how it works |url=https://www.zdnet.com/article/grammarly-to-roll-out-a-new-ai-content-detector-tool-heres-how-it-works/ |work=ZDNet |access-date=October 8, 2024}}{{cite news |last=Contreras |first=Brian |date=August 14, 2024 |title=This New Grammarly Tool Aims to Tell If AI Wrote a Document |url=https://www.inc.com/brian-contreras/this-new-grammarly-tool-aims-to-tell-if-ai-wrote-a-document.html |work=Inc. Magazine |access-date=October 8, 2024}} It's not clear to what extent such tools work.{{cite web |last1=Coffey |first1=Lauren |title=Professors Cautious of Tools to Detect AI-Generated Writing |url=https://www.insidehighered.com/news/tech-innovation/artificial-intelligence/2024/02/09/professors-proceed-caution-using-ai |website=Inside Higher Ed |language=en}}{{Cite news |last=Fowler |first=Geoffrey A. |date=April 3, 2023 |title=We tested a new ChatGPT-detector for teachers. It flagged an innocent student. |url=https://www.washingtonpost.com/technology/2023/04/01/chatgpt-cheating-detection-turnitin/ |url-access=registration |newspaper=The Washington Post}}

In July 2024, Grammarly donated approximately $500,000 to help rebuild Okhmatdyt children's hospital after the building was damaged by a Russian missile strike.{{cite news |last=Lytovchenko |first=Viktoria |date=July 10, 2024 |title=UAH 300 million was raised for "Okhmatdyt" hospital's reconstruction |url=https://news.online.ua/en/over-uah-300-million-raised-for-okhmatdyt-hospitals-reconstruction-881706/ |access-date=October 29, 2024 |work=Online.UA}}{{cite news |author= |date=July 10, 2024 |title=In less than two days: UAH 300 million raised to rebuild Okhmatdyt |url=https://ukrainefrontlines.com/news/ukraine/in-less-than-two-days-uah-300-million-raised-to-rebuild-okhmatdyt/ |access-date=October 29, 2024 |work=Ukraine Frontlines}}

In December 2024, Grammarly announced that it was acquiring the productivity startup Coda.{{cite news |last=Primack |first=Dan |date=December 18, 2024 |title=Grammarly is buying Coda to expand AI offerings |url=https://www.axios.com/2024/12/18/grammarly-is-buying-coda-to-expand-ai-offerings |work=Axios |access-date=February 24, 2025}} As part of the deal, Coda CEO Shishir Mehrotra replaced Rahul Roy-Chowdhury as Grammarly's CEO.{{cite news |last=Malik |first=Aisha |date=December 17, 2024 |title=Grammarly acquires productivity startup Coda, brings on new CEO |url=https://techcrunch.com/2024/12/17/grammarly-acquires-productivity-startup-coda-brings-on-new-ceo/?guccounter=1 |work=TechCrunch |access-date=February 24, 2025}}

In May 2025, Grammarly announced it raised $1 billion in nondilutive funding from General Catalyst.{{Cite web |last=Temkin |first=Marina |date=2025-05-30 |title=Grammarly secures $1B in nondilutive funding from General Catalyst |url=https://techcrunch.com/2025/05/29/grammarly-secures-1b-in-non-dilutive-funding-from-general-catalyst/ |access-date=2025-05-30 |website=TechCrunch |language=en-US}}

In early 2018, Tavis Ormandy, a security researcher at Google who was formerly part of Google's Project Zero team,{{cite web |last=Greenberg |first=Andy |date=15 July 2014 |title=Meet 'Project Zero,' Google's Secret Team of Bug-Hunting Hackers |url=https://www.wired.com/2014/07/google-project-zero/ |url-status=live |archive-url=https://web.archive.org/web/20150105134801/http://www.wired.com/2014/07/google-project-zero/ |archive-date=5 January 2015 |accessdate=4 January 2015 |publisher=Wired.com}} discovered a severe vulnerability in Grammarly's browser extension, which exposed authentication tokens to websites and potentially allowed them to access the users' documents and other data.{{cite web |last=Ormandy |first=Tavis |date=February 2, 2018 |title=Issue 1527: Grammarly: auth tokens are accessible to all websites |url=https://bugs.chromium.org/p/project-zero/issues/detail?id=1527 |access-date=2021-08-01 |department=project-zero |publisher=Google |archive-date=January 4, 2023 |archive-url=https://web.archive.org/web/20230104171900/https://bugs.chromium.org/p/project-zero/issues/detail?id=1527 |url-status=live }} A few hours later, the company released a hotfix and reported that it found no evidence of compromised user data.{{cite web|url=https://gizmodo.com/grammarly-bug-let-snoops-read-everything-you-wrote-onli-1822740378|title=Grammarly Bug Let Snoops Read What You Wrote, Typos and All (Updated)|last=Couts|first=Andrew|date=2018-02-05|website=Gizmodo|access-date=2021-08-01|url-status=live|archive-url=https://web.archive.org/web/20210113040048/https://gizmodo.com/grammarly-bug-let-snoops-read-everything-you-wrote-onli-1822740378|archive-date=2021-01-13}} This vulnerability was registered as {{CVE|2018-6654}} in the Common Vulnerabilities and Exposures database.{{cite web|url=https://www.cve.org/CVERecord?id=CVE-2018-6654|title=CVE-2018-6654|website=Common Vulnerabilities and Exposures|publisher=Mitre|access-date=15 February 2025|archive-date=22 July 2024|archive-url=http://web.archive.org/web/20240722064312/https://www.cve.org/CVERecord?id=CVE-2018-6654|url-status=live}} Later in December, Grammarly launched a bug bounty program on HackerOne, offering a {{US$}}100,000 reward to the first white hat hacker to access a specific document on the company's server.{{Cite web |title=Grammarly - Bug Bounty Program |url=https://hackerone.com/grammarly |publisher=HackerOne |date=March 2022 |access-date=July 22, 2022 |archive-date=March 15, 2023 |archive-url=https://web.archive.org/web/20230315061128/https://hackerone.com/grammarly |url-status=live }}

Reviewers have praised Grammarly for its ease of use and helpful suggestions, considering it worthwhile despite its relatively high price and lack of offline functionality.{{Cite web|last=Moore|first=Ben|date=July 6, 2020|title=Grammarly Review: A slick writing assistant for all your documents|url=https://www.pcmag.com/reviews/grammarly|website=PCMag|access-date=May 27, 2021|archive-date=April 10, 2021|archive-url=https://web.archive.org/web/20210410230836/https://www.pcmag.com/reviews/grammarly|url-status=live}} Conversely, some users have criticized Grammarly for incorrect suggestions, ignorance of tone and context, and reduction of writers' freedom of expression.{{Cite web|last=Mayne|first=Dorothy|date=January 26, 2021|title=Revisiting Grammarly: An Imperfect Tool for Final Editing|url=https://dept.writing.wisc.edu/blog/revisiting-grammarly/comment-page-1/|url-status=live|archive-url=https://archive.today/20220219040626/https://dept.writing.wisc.edu/blog/revisiting-grammarly/comment-page-1/|archive-date=February 19, 2022|access-date=February 19, 2022|website=another word}}{{Cite web|last=Brogan|first=Jacob|date=February 7, 2018|title=Grammarly Fixed a Security Vulnerability, but It Still Can't Fix Our Writing|url=https://slate.com/technology/2018/02/grammarly-wont-make-your-writing-better.html|website=Slate Magazine|access-date=December 29, 2021|archive-date=December 15, 2022|archive-url=https://web.archive.org/web/20221215093147/https://slate.com/technology/2018/02/grammarly-wont-make-your-writing-better.html|url-status=live}}

Documents whose contents have been corrected via Grammarly have occasionally been accused by detection engines such as Turnitin of being partially or entirely AI-generated.{{Cite news |last=Young |first=Jeffrey R. |date=4 April 2024 |title=What happened after this college student's paper was falsely flagged for AI use after using Grammarly |url=https://www.fastcompany.com/91074029/can-using-grammarly-set-off-ai-detection-software |work=Fast Company |access-date=April 25, 2024 |archive-date=April 25, 2024 |archive-url=https://web.archive.org/web/20240425171038/https://www.fastcompany.com/91074029/can-using-grammarly-set-off-ai-detection-software |url-status=live }} Schools are struggling to develop rules about its use that are consistent and fair, with some teachers recommending Grammarly to all of their students and others rejecting it.{{Cite web |last=Menezes |first=Damita |date=2024-03-04 |title=Student fights academic probation for using Grammarly |url=https://thehill.com/changing-america/enrichment/education/4506271-student-fights-ai-cheating-allegations-for-using-grammarly/ |access-date=2024-04-25 |website=The Hill |language=en-US |archive-date=April 25, 2024 |archive-url=https://web.archive.org/web/20240425171910/https://thehill.com/changing-america/enrichment/education/4506271-student-fights-ai-cheating-allegations-for-using-grammarly/ |url-status=live }}{{Cite web |last=Tang |first=William |title=She used Grammarly to proofread her paper. Now she's accused of 'unintentionally cheating.' |url=https://www.usatoday.com/story/opinion/voices/2024/04/17/ai-students-cheating-plagiarism-grammarly/73223779007/ |access-date=2024-04-25 |website=USA TODAY |language=en-US |archive-date=April 25, 2024 |archive-url=https://web.archive.org/web/20240425171910/https://www.usatoday.com/story/opinion/voices/2024/04/17/ai-students-cheating-plagiarism-grammarly/73223779007/ |url-status=live }}

{{Infobox company

| name = Grammarly Inc.

| industry = Software, Artificial intelligence

| founded = 2009{{cite news |last=Krasnikov |first=Denys |date=July 6, 2018 |title=Grammarly opens new Kyiv office as demand rises for help with English |url=https://www.kyivpost.com/post/7405 |work=Kyiv Post |access-date=September 19, 2024}}

| founders = Alex Shevchenko, Max Lytvyn, and Dmytro Lider

| hq_location = San Francisco, CA

| key_people = Shishir Mehrotra (CEO)

| num_employees =

}}

Grammarly Inc., the privately held company{{cite news |last1=Waddell |first1=Kaveh |last2=Fischer |first2=Sara |date=October 10, 2019 |title=Grammarly raises $90 million and says it's now a "unicorn" |url=https://www.axios.com/2019/10/10/grammarly-90-million-raise-enterprise-unicorn |work=Axios |access-date=December 9, 2024}} that develops Grammarly, is headquartered in San Francisco.{{cite news |last=Li |first=Diana |date=May 17, 2024 |title=Grammarly Wants to Expand Its AI From the Classroom to the Office |url=https://www.bloomberg.com/news/articles/2023-05-17/grammarly-aims-to-expand-its-ai-from-the-classroom-to-the-office |quote=Grammarly Inc., a software company known for its writing assistant, is expanding its artificial intelligence offerings in the workplace... The move is part of San Francisco-based Grammarly’s effort to ride the generative AI wave and pivot from a grammar-and-spelling checker to a corporate communications and workflow tool. |work=Bloomberg |access-date=December 2, 2024}} It has additional offices in Kyiv, New York, and Vancouver.{{Cite web|title=AI-powered writing assistant Grammarly opens new office in downtown Vancouver {{!}} Venture|url=https://dailyhive.com/vancouver/grammarly-vancouver-office|url-status=live|archive-url=https://web.archive.org/web/20190914010852/https://dailyhive.com/vancouver/grammarly-vancouver-office|archive-date=2019-09-14|access-date=2019-11-19|website=dailyhive.com|language=en}} Grammarly Inc. is led by Shishir Mehrotra, who became the company's CEO in 2024.

• {{section link|Google Docs|History}}
• LanguageTool

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{{DEFAULTSORT:Grammarly}}

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Category:Grammar checkers

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