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Freemium

Ludwig

Ludwig AI Detector. Website screenshot.
★★★☆☆
Price Level:
$$$

Ludwig.guru is an AI writing platform funded by the EU that offers AI content detection with both free and paid tiers.

Key Features:

  • Distinguishes between AI-generated vs AI-refined text.
  • Highlights AI-written sections.
  • Ad-free interface.
  • Reputable developer.
  • Additional useful smart writing tools.

Limitations and Considerations:

  • Free tier: 1,500 chars without signup, 3,000 with signup (5 scans/day)
  • No file upload support.
  • No clear data policy. Avoid sensitive texts.

While not accurate enough for grading papers, it's useful for reviewing drafts, checking marketing content, or doing quick scans of business documents. 

The free version lets you check up to 1,500 characters without signing up, making it convenient for quick checks.

Ludwig.guru analyzes text patterns to estimate the likelihood of AI generation from models like ChatGPT and GPT-4. 

Users get instant percentage scores, though accuracy isn't guaranteed. The detection method remains unknown.

How accurate is Ludwig's AI detector?

Overall score:
3 out of 5 stars (★★★☆☆).
Our testing showed it is moderately accurate.
The tool gives a numerical result (score): Yes.
It detected our:
● Human written text as
30% human
(★★☆☆☆).
● Humanized AI text as
91% AI
(★★★★★).
● Fully AI-generated text as
98% AI
(★★★★★).
Disclaimer: We only test texts written in English. Results may vary.

FAQ

We've tested over 150 AI detectors and have a solid grasp of the market. Using our custom methodology, we ensure all tools are compared fairly. Our testing is unbiased, praising only those we believe in.

The tools on this website are tested using a specific testing method for each category. This ensures they are evaluated fairly and in a way most people would use them.

AI detectors may seem similar at first glance, but they come with different features and are intended for various use cases. Choose a tool that best suits your specific needs for the most accurate results. 

Paid tools are usually more accurate and better for advanced users needing integration and bulk detection. 

Free tools can be hit-or-miss, with usage limits and varying accuracy. 

Therefore, we suggest you check out all of our AI detectors to find the best option for you.

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