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Can Grammarly Be Detected as AI?

Author: Andy Samue | 2025-06-03

As a content creator, I write a lot. Grammarly has always been a helpful tool for checking my grammar and making my writing better. I believe many students also use it often for their schoolwork. But now, with more and more AI detectors being used, a new question has come up: does Grammarly count as AI or cheating? And will using Grammarly go against academic honesty or be flagged by AI detection tools?

Does Grammarly Count as AI?

can grammarly be detected as ai

So does Grammarly count as AI? The answer is yes, Grammarly is now clearly an AI tool.

Grammarly has changed over time. It started as a smart grammar checker and has added more advanced AI technology. Especially with its "AI Writing Assistant," it can now create and heavily rewrite content. This makes it a full writing tool that includes generative AI features.

Grammarly's AI Features: Editing Help or Creative Writing?

To understand if Grammarly can be detected as AI, we first need to look at how it uses AI. Grammarly's features are always changing, and its AI technology keeps getting better.

1. Basic Editing (Low AI Risk)

Grammarly's original purpose was to be an advanced grammar and spelling checker. These features use Natural Language Processing (NLP) and complex rule-based systems to analyze your text and suggest fixes for grammar, spelling, punctuation, clarity, and tone. This type of AI is considered "helper AI" or "narrow AI"; it improves your existing text without creating new content, so your writing usually still feels human.

They look at your text and suggest fixes for:

  • Grammar, spelling, and punctuation mistakes.
  • Ways to make sentences clearer and better structured.
  • Suggestions for tone and style.

2. Heavy Editing (Grammarly Go Features)

Grammarly's recent "AI Writing Assistant" (including Grammarly Go features like "Rephrase," "Rewrite," and "Use our best version") marks a big step into generative AI. These features create and rewrite content using advanced models. Extensive use makes writing predictable and "AI-like," often triggering AI detection.

  • "Rephrase": Gives you completely new versions of sentences or paragraphs.
  • "Rewrite": Makes big changes to the structure and content of your text.
  • "Use our best version": Grammarly looks at your text and suggests the best way to say something.
  • Content Generation (based on prompts): Like ChatGPT, it can create new text based on what you type in.

Can Grammarly Be Detected as AI: Actual Test

To see how Grammarly's different features affect AI detection, we did a test:

Test Method:

  • Original Samples: We gathered several academic writing samples (like IELTS essay answers) that we knew were written by humans. This made sure they started as "human" text.
    get orgiginal sample
  • Light Editing: For this version, we only accepted Grammarly's grammar, spelling, and punctuation suggestions. We did not accept any rephrasing or rewriting suggestions.
    edit lightly
  • Heavy Editing: For this version, we accepted all of Grammarly's suggestions and insights. This included the generative features from Grammarly's AI Writing Assistant (like "Rephrase," "Rewrite," and "Use our best version").
    edit heavily
  • Make AI Detection: We used the Originality.ai detector to scan the changed texts.
    pass detection tool

Test Findings:

Editing Level Originality.ai Detection Result
Light Editing (only grammar, spelling, punctuation fixes) Almost all continued to show as human-written (high originality).
Heavy Editing (use Grammarly Go features) Almost all were flagged as AI-generated (100% AI).

Test Result Analysis:

As you can see from our results, light editing hardly changed the "human" quality of the text. Most samples were still seen as human-written by the detector. However, heavy editing greatly after using Grammarly Go’s feature affected whether the content was flagged as AI-generated.

What Happens If Students Are Caught Using AI-Generated Content?

If students are caught using AI-generated content they can face serious consequences, depending on severity of offense and their institute’s policies. Here’s what might happen to them:

  • They might fail an assignment or course.

  • Restrictions like limited course enrollment or extra advising may apply.

  • Severe or repeated offenses can lead to being removed from the institute.

  • Can hurt their chances for grad school, research, or academic roles.

  • Integrity issues may harm job prospects in certain fields.

  • If copyright laws are violated it might land them in legal trouble.

Keep Your Writing Authentic and Pass AI Detection

If you’re worried that using AI tools like Grammarly or GPT might get your writing flagged by AI detectors, you’re not alone. Many students and content creators face the same challenge. That’s where Tenorshare AI Bypass can help.

Key Features:

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  • Preserves Original Meaning: Keeps your original ideas while refining language.
  • Supports Multiple Languages: Great for students worldwide who want to ensure their content is authentic.
  • Customizable Levels: Choose how much you want to humanize your content.
  • Bypass Popular AI Detectors: Helps you pass tools like Originality.ai and Turnitin.
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Also Read: Tenorshare AI Humanizer Review: Can It Beat AI Detectors?

Conclusion

The answer to whether Grammarly can be detected as AI depends on how you use its features. Core editing (grammar, spelling) is unlikely to trigger detection. However, using generative AI features (like "Rephrase," "Rewrite," or "Use our best version" in Grammarly Go) often leads to AI detection.

To ensure academic honesty and pass AI checks, use Grammarly responsibly. Tools like Tenorshare AI Bypass can also help humanize AI drafts. By following these strategies, you can confidently use AI tools to write more efficiently while maintaining original and authentic.

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FAQ

Does Grammarly count as AI in Turnitin?

Turnitin mainly checks for plagiarism and doesn’t classify Grammarly’s basic corrections as AI. But extensive rewriting could affect originality scores.

Is Grammarly considered AI for students?

Yes, Grammarly uses AI technology to assist with writing. Most schools allow its use for editing, but extensive rewriting might raise concerns.

Does Grammarly count as AI cheating?

Using Grammarly for spelling and grammar is generally acceptable. However, over-reliance on its rewriting features might be flagged as AI-assisted content.

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