Does Grammarly train AI on your data?

Yes, Grammarly uses data for AI training, but they offer controls to opt-out, and they state they de-identify content and don't sell it or let third parties train on it; however, they do use anonymized usage data for general improvement, and users can manage these settings in their account's privacy section to stop content from being used for training their AI models.

Does Grammarly use your data to train AI?

According to Grammarly's privacy policy, they do use anonymized data for training their AI, but personal information is not shared with third parties without consent.

Does Grammarly get flagged as AI?

Yes, Grammarly can be flagged as AI, especially when using its generative features like GrammarlyGo or heavy rephrasing, because its AI-powered rewrites mimic patterns that detectors look for, though basic corrections for spelling/grammar usually don't trigger alerts. Over-reliance on Grammarly's suggestions for sentence structure and rephrasing can make text sound less natural and more like AI-generated content, increasing the risk of false positives from detection tools like Turnitin. 

Is my data safe with Grammarly?

Grammarly complies with HIPAA Security, Privacy, and Breach Notification rules. Grammarly complies with the Data Security Standard of the Payment Card Industry (PCI), which validates that payments are handled with industry-standard security. Read Grammarly's attestation of PCI compliance, which is renewed annually.

Can you turn AI off on Grammarly?

In Grammarly, select "Account" from the menu. From the Account menu, go to "Settings" and then select "Feature Customisation" from the menu. Toggle the generative AI functions to off. The tick symbol ("check mark") will not show when the features are turned off.

5 Unbelievably Useful AI Tools For Research in 2025 (better than ChatGPT)

Why does Grammarly say I used AI if I didn't?

Note: If you are working with other Grammarly agents to rewrite your text, it is likely that the AI Detection agent will flag your content as AI-generated. That is because rewrites from the Proofreader, Expert Review, Paraphraser, and Humanizer agents come from our LLM.

Does Grammarly bypass AI?

In our evaluation of the Grammarly AI Detector using the RAID AI detection accuracy study dataset, it is clear that the detector is highly susceptible to bypassing techniques, especially when tested with adversarial attacks.

What is the disadvantage of using Grammarly?

Grammarly's disadvantages include potential inaccuracy leading to altered meaning, limited functionality in the free version, privacy concerns, platform incompatibility (like with Google Docs initially), over-aggressive corrections (like eliminating passive voice too much), and suggestions that can be contextually wrong or hinder learning by making users rely too heavily on it. It can also be costly for premium features and sometimes provides confusing or irrelevant feedback, making manual review essential. 

Is ChatGPT or Grammarly better?

Key Takeaways

• ChatGPT offers more comprehensive writing assistance beyond grammar and spelling corrections.
• Grammarly excels at focused grammar checking but has limitations in content generation.
• ChatGPT provides better context understanding and more natural suggestions for rewrites.

Is it safe to give full access to Grammarly?

Grammarly can't access anything you type or your activity unless you are actively using a Grammarly product offering (such as the browser extension; or our AI features that consider additional content to provide you with the service). Our software doesn't check text if it's not actively being used.

Why does my essay say it was written by AI when it wasn't?

If a writer has simple, formulaic sentences or writes with very accurate grammar, they may unintentionally trigger an AI flag. Heavy AI-aided editing, such as spinning out whole sections of text using Grammarly and similar tools, can add to false positives.

Can universities tell if you use Grammarly?

Universities use AI detection tools like Grammarly to help determine if student writing is AI-generated. AI detectors can produce false positives that misidentify human writing, so results should always be interpreted carefully.

Is 30 AI detection bad?

According to Winston AI's interpretation guide: 0–5% AI = Almost certainly human. 5–20% AI = Likely human with minimal AI involvement. 20–50% AI = Mixed; needs human review.

Is Grammarly safe in 2025?

Is Grammarly Safe To Use? (Quick Verdict) Grammarly is generally safe to use. Grammarly ensures data safety with AES-256 encryption, HIPAA compliance, and restricted access to authorized staff. It avoids sensitive fields, doesn't store financial data or keystrokes, and keeps your content private.

How do I turn off Grammarly training?

Follow the steps below to turn on or off Product Improvement and Training: For Grammarly Free and Premium Accounts: Go to your account's privacy settings at account.grammarly.com/security/privacy. Click the “Product Improvement and Training” toggle to change its setting.

Will my paper get flagged if I use Grammarly?

Yes, you can get flagged for using Grammarly because its AI-powered rewriting features can make your writing sound like other AI-generated text, triggering detectors like Turnitin to flag it as AI-written, even if you only used it for proofreading; this leads to false positives, so you should use AI tools sparingly and maintain your own voice to avoid issues. 

Can teachers tell if you use Grammarly AI?

Can professors see if you use AI? Professors may use AI detection tools, like Grammarly's AI detector, to check whether a piece of writing was AI-generated. However, AI detection isn't always accurate. These tools can sometimes misidentify AI-generated content as human-written or flag human writing as AI-generated.

Do real writers use Grammarly?

Do professional writers use grammar checkers? Professional writers should use Grammarly to check for errors and polish their writing. The premium version checks for repetition, missing transitions, and plagiarism.

Did 94% of students say Grammarly premium helped improve their grades?

See why students and faculty alike trust Grammarly

94% of students say Grammarly Premium helped improve their grades. 100% of students using Grammarly report that Grammarly helped them secure an internship or first job. 97% of academic professionals say Grammarly increases their confidence in their written material.

Is there a better app than Grammarly?

LanguageTool

LanguageTool is a spelling and grammar tool that operates much like Grammarly or ProWritingAid. It's an open-source tool that you can try for free without even giving over your email address. If you regularly write in a language that's not native to you, LanguageTool is an excellent proofreading option.

Do professors recommend Grammarly?

See why students and faculty alike trust Grammarly

97% of academic professionals say Grammarly increases their confidence in their written material.

Why did Grammarly charge me $200?

Grammarly likely charged you around $200 (often a prorated or annual renewal/upgrade) because your initial discounted offer expired, you upgraded to a team plan, a free trial converted, or it's an annual renewal for a Premium/Business plan at the standard rate, like the $144 yearly fee which can seem higher than monthly charges or discounted first year/promo. Check your billing history on the subscription page for details; if unauthorized, contact Grammarly support immediately for potential fraud. 

Why does Grammarly say I used AI when I didn't?

Most use statistical models to identify writing that “looks” like AI output—based on patterns like uniform structure, high predictability, or lack of personal detail. However, these tools can sometimes flag human-written text as AI-generated (false positives) or miss AI-generated content entirely (false negatives).

Why does my writing get flagged as AI?

AI detectors flag your writing because they look for patterns common in AI text, like predictable sentence structure, low "perplexity" (smooth flow), and repetitive phrasing, often mistaking polished, grammatically perfect, or formulaic human writing (especially from non-native speakers or those using editing tools) for AI-generated content, leading to false positives.
 

Can I turn off AI on Grammarly?

Go to your admin Home page, click on the Organization tab, and select the Feature access page. On the next page, click on the toggles next to AI assistant, Strategic suggestions, and Paragraph-level rewrites, and set them to Off. In the window that appears next, click Turn off.