Grammarly: AI writing assistant for English with corrections, rewriting, tone adjustment, AI detection and plagiarism checks, part of Superhuman. These 5 tools cover the same task (writing assistants). They are ranked by how many of Grammarly's strongest markets they share, then by how complete their profile is.
Picked from our profile data, which we check against vendor pages. No vendor paid for a placement.
What Grammarly does
Grammarly is an AI writing assistant that checks and improves English text in the apps where people write, adds generative AI for drafting and rewriting, and gives companies style guides and brand tones. It serves individuals as well as large organizations.
Generative AI prompts for drafting and revising, 100 a month on Free, 2,000 on Pro
Sentence rewriting and tone adjustment
AI and plagiarism detection on Pro
Used worldwide without a documented country focus; parent company Superhuman is based in San Francisco. Starting price: from €12 per user/month.
Before you switch: All text is processed in AWS US East, so review transfer terms and the data processing agreement before rolling Grammarly out to EU employees. Grammarly focuses on English; for other languages check coverage first. Decide whether AI detection results may be used in decisions about people, since detectors can be wrong.
ChatGPT is OpenAI's general AI assistant for writing, research, analysis and everyday office work, available as a free app for individuals and as a managed workspace for teams and companies.
Key functions
Chat with GPT-6 models, GPT-6 Luna on the free plan
Web search for current information inside a conversation
Data analysis with code execution and charts
Compared with Grammarly
Single sign-on in paid plans; at Grammarly only in higher plans.
Strong in the same markets as Grammarly: United States.
Check before buying: Decide which plan employees may use: free and individual plans lack the workspace controls of Business and Enterprise. Sign OpenAI's data processing addendum, check which plugins and connectors may reach company systems, and note that data residency controls are listed for Enterprise only. If you operate in the US, review state rules such as those in Colorado or Illinois before using outputs in hiring or other decisions about people.
Claude is Anthropic's AI assistant for writing, analysis, research and coding, offered as a free app, as individual subscriptions and as Team and Enterprise workspaces for companies.
Key functions
Research searches the web and connected sources and returns a cited report
Projects group files and instructions for recurring work
Connectors bring company tools into the chat
Compared with Grammarly
Single sign-on in paid plans; at Grammarly only in higher plans.
Strong in the same markets as Grammarly: United States.
Check before buying: Individual plans (Free, Pro, Max) let users opt out of training, while Team and Enterprise exclude it by default, so route business use through a company workspace. Check which connectors may access internal systems. In the US, state rules in Colorado and Illinois apply if outputs feed into hiring or other decisions about people.
LanguageTool is a writing assistant that checks grammar, spelling, punctuation and style in more than 30 languages and rewrites sentences with AI. Individuals use the free version; companies add team dictionaries and style guides.
Key functions
AI paraphrasing of sentences, 3 a day on Free, unlimited on Premium
Style improvements and tone adjustments
Advanced grammar, spelling and punctuation checks in more than 30 languages
Compared with Grammarly
Strong in the same markets as Grammarly: United States.
Check before buying: The extension reads text in every field where it is active, so agree with IT on which apps it may run in. The data processing agreement is public; the processor is Learneo, Inc. in the USA, and transfers rely on the Data Privacy Framework and Standard Contractual Clauses, so check whether that fits the texts your staff write. Current prices were not displayed on the pricing page during our check in September 2026, so get a quote for your number of users.
DeepL is a machine translation service from Cologne for companies that translate text, documents and spoken conversations, with glossaries, translation memory and a writing assistant for editing.
Key functions
Translates whole documents such as Word, PDF, PowerPoint and Excel files while keeping the layout
Glossaries and translation memory keep terminology and earlier translations consistent
DeepL Write revises text for style and tone, included in the Business plan
Compared with Grammarly
Can store data in the EU; Grammarly states no EU option.
Headquartered in Germany, Grammarly in United States.
Starts lower: from €7.49 per user/month, Grammarly from €12 per user/month.
Single sign-on in paid plans; at Grammarly only in higher plans.
Check before buying: Use a paid plan for business content, because the free version may use texts for training according to the privacy policy. DeepL requires a separate data processing agreement for personal data, available through sales. Single sign-on is available on Team and Business only for more than 50 users, and on Enterprise without that threshold. Check whether translated contracts or HR letters still need review by a person.
Wordtune is an AI writing assistant from AI21 Labs that rewrites, summarizes and corrects English text. It suits individuals and small teams that write a lot in English and want low-cost help with phrasing.
Key functions
Sentence rewrites with suggestions for clarity, vocabulary and fluency
AI summaries of longer texts
AI text generation plus spelling and grammar checks
Compared with Grammarly
Strongest elsewhere: Israel.
Check before buying: Data is stored on servers in the United States, so review the transfer mechanisms before using Wordtune with EU personal or confidential data. No published plan includes SSO or central administration, and no data processing agreement is linked on the plans page; ask AI21 Labs before a team rollout. There are no refunds, so use the 3-day trial first.
All 5 alternatives by buying criteria
Grammarly alternatives by price, trial, hosting and security
Not stated means we found no statement on the vendor's site. Data as of each profile's last check.
The market around Grammarly: 6 tools for this task
83 % Publish a price (5/6)
100 % Free plan (6/6)
50 % Free trial (3/6)
17 % EU hosting option (1/6)
17 % Headquartered in Europe (1/6)
67 % Single sign-on (4/6)
Grammarly is among the tools that publish a price. More than half of the vendors here publish prices, so you can compare list prices before the first demo.
Source: ai-toolfinder.com dataset, full profiles only.
Why teams look beyond Grammarly
Grammarly states no EU hosting option. 1 alternatives can store data in the EU.
3 alternatives are strong in at least one of the same countries as Grammarly, so local support and compliance should be comparable.
It depends on your country and company size. In our data, ChatGPT, Claude and LanguageTool share the most strong markets with Grammarly, so they are the closest fit if you work where Grammarly is strong. Filter the list by country and size to narrow it down.
Is there a free alternative to Grammarly?
ChatGPT, Claude, LanguageTool, DeepL and Wordtune offer a free plan or a free trial according to the vendors. Check the limits of free plans before you rely on them for employee data.
Which Grammarly alternatives can host data in the EU?
DeepL can store customer data in the EU, according to the vendors. Ask for the data processing agreement (Art. 28 GDPR) and the list of subprocessors.
Which Grammarly alternatives publish their prices?
ChatGPT, Claude, DeepL and Wordtune show prices on their websites, for example ChatGPT from $8 per month and Claude from $17 per month. The others quote after a demo.
Are there European alternatives to Grammarly?
DeepL is headquartered in Europe. A European seat does not guarantee EU hosting, so check the data processing agreement and the list of subprocessors.
Which Grammarly alternatives support single sign-on?
ChatGPT, Claude and DeepL support single sign-on according to the vendors. Some include it only in higher plans, see the table above.
ChatGPT