Does Grammarly detect AI Writing? Accuracy review (2026).

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    "domain": "grammarly.com"
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  "data": {
    "url": "https://www.omnidetect.ai/blog/does-grammarly-detect-ai",
    "title": "Does Grammarly detect AI Writing? Accuracy review (2026).",
    "excerpt": "Does Grammarly detect AI Writing? Accuracy review (2026).\n\nApr 2, 2026\n\nTable of contents.\n\nShort answer: yes - but it's a secondary feature, not the core product. Grammarly introduced AI detection capability in 2024, making it one of several writing tools that bolted on detection after the ChatGPT explosion. However, Grammarly's DNA is writing assistance - grammar correction, style suggestions, tone adjustment - not AI content detection.\n\nThis distinction matters more than you might think. When AI detection is a side feature rather than the core mission, it typically receives less engineering investment, fewer accuracy benchmarks, and slower iteration cycles. Grammarly doesn't publish independent accuracy data for its detection feature, and there are no third-party audits of its false positive rate.\n\nFor users who already pay for Grammarly Premium ($12/month), the built-in detection is a convenient bonus. But if your goal is to reliably determine whether a document contains AI-generated text - especially when the stakes are high - you need a tool built from the ground up for that purpose.\n\nGrammarly's AI detection is integrated directly into its writing editor. When you paste or type text, the tool can flag sections it suspects were generated by AI. Under the hood, it uses a single proprietary model - one algorithm making one judgment call on your text.\n\nThe integration is...",
    "product": "AI detection capability",
    "summary": "Grammarly Inc. launched AI detection capability on Jul 1st '24.",
    "category": "launches",
    "found_at": "2026-04-02T00:00:00Z",
    "planning": false,
    "image_url": "https://www.omnidetect.ai/en/opengraph-image",
    "confidence": 0.6771,
    "product_data": {
      "full_text": "AI detection capability",
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    },
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    ],
    "published_at": "2026-04-02T00:00:00Z",
    "effective_date": "2024-07-01",
    "article_sentence": "Grammarly introduced AI detection capability in 2024, making it one of several writing tools that bolted on detection after the ChatGPT explosion."
  }
}

curl https://signals.autobound.ai/v1/signals/2a6a5f0b-10d2-44e0-87ac-ad8666d92bed \
  -H "X-API-KEY: $AUTOBOUND_API_KEY"

curl -X POST https://signals.autobound.ai/v1/companies/enrich \
  -H "X-API-KEY: $AUTOBOUND_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"domain":"grammarly.com","limit":20}'