10 Free AI Detector (2024)

Best Free AI Detector Tool in 2024: In today’s era, Artificial Intelligence plays an important role in business and the Digital Marketing world. With the advent of Artificial Intelligence, tasks that once took hours can now be completed in minutes

Artificial Intelligence enables new ideas, plans, and tasks to be implemented efficiently and inexpensively.

AI plays a significant role in business content creation, blogging, and marketing. However, due to the use of AI, content theft is increasing.

The original content for these tasks is being rewritten through AI and then used elsewhere.

On the other hand, the proliferation of content is causing problems for search engine crawling and indexing.

Suppose you are a business owner, digital marketer, or blogger who has hired a writer or team to create content. In that case, it is important to check the content for originality and ensure it is free from AI-generated or copied content.

Google is also rolling out new updates to its indexing system to control the increased production of AI-generated content.

These are the 10 best free AI detection tools in 2024.

FREE AI Detector Tools

Table of Contents

Tool/Website	AI Detection Score
Merlin	100%
zerogpt	100%
Surferseo	98%
Duey	96.01
SEO	83%
Writer	83%
Originality	74%
QuillBot	67%
sapling	63.2%
undetectable	AI Detected (~62.5%)
Scribbr	7%

Best Free AI Detector Tool in 2024

We tested ChatGPT’s content with several AI checkers. The results are presented in the table below.

#1. Merlin

Merlin is the Free AI Checker Tool. Simply upload or paste your content into this AI tool and let Merlin detect if the text contains AI content. It will check if the content is generated by ChatGPT, GPT-4o, GPT-4, or Google Gemini and show the score.

Merlin AI Detector’s accuracy is very high because it analyzes qualitative algorithms, the complexity of the language, and training data.

Merlin’s Free Forever Plan provides 102 queries per day, which refills every 24 hours. You can also try advanced features for free (powered by GPT-3 & GPT-4 / GPT-4o).

#2. zerogpt

ZeroGPT is one of the most advanced and reliable chatGPT, GPT4, and AI content detectors. It is a simple open AI and Gemini detector-free tool, and millions of users trust ZeroGPT.

In this tool, each sentence written by the AI is highlighted, and a gauge shows the percentage of text generated by the AI.

ZeroGPT works on a high-accuracy model, trained across all languages to provide highly accurate results.

In the free plan of ZeroGPT, you get 15,000 characters per AI detection, 5 batch files to check

#3. Surferseo

Surfer’s AI detection tool is one of the 10 best AI checkers that analyzes your content for AI-generated text, plagiarism, and grammatical correctness.

Surfer can help you detect AI-generated content, whether it’s ChatGPT content or another AI content generator, and rewrite it to read and flow as if it were written by a human author.

If you are in the field of education, as a teacher or student, ensure that your assignments and research papers are original so that academic standards are not compromised by AI-generated content. This is the best free AI detector for teachers.

#4. Duey

Duey.ai easily detects content written by ChatGPT, GPT-4, GPT-3, Bard Cloud, Gemini, or Llama.

Duey can easily identify content if it is written by leading AI detector tools like Turnitin, Copyleaks, or Originality.ai.

Duey AI Detector is free, no account or credit card required and offers 5 attempts 100% free.

#5. SEO.AI

SEO.ai is a free AI content detector and it detects AI-generated content from ChatGPT, GPT-4, Gemini, and Cloud in any language.

#6. Originality.AI

Originality AI detector is available for free and is the most accurate AI detector for ChatGPT, GPT-4o, Gemini Pro, Claude 3, Llama 3, and other popular AI authoring tools.

Originality.AI Detector gives you 3 free AI detection scans.

#7. QuillBot

QuillBot is trained to identify certain patterns, our detection tool flags AI-generated, paraphrased, and human-written content in your text.

If the content is likely to contain repetitive words, awkward phrasing, and an unnatural, chopped-up flow, Quillbot’s AI detector flags the text for further investigation.

Quillbot is a 100% free tool that provides an unlimited number of checks.

#8. sapling

Sapling.ai is a free AI detector that outputs the probability that a text is AI-generated by a model such as ChatGPT or Gemini.

It can be a useful AI detector for educators, SEO practitioners, and reviewers of user-generated content.

#9. Undetectable AI

#1 Best AI Detector by Forbes! To check if your text will be flagged as AI-written content, click Undetectable AI Detector to detect.

One-click on “Check for AI” from Undetectable’s AI Content Detector shows you the results of all major AI detectors simultaneously. Thus, saving you time and effort.

#10. Scribbr AI Detector

Scribbr is a free IA content detector that detects content generated by IA like ChatGPT3.5, GPT4, and Gemini in seconds.

Scribbr AI checker measures specific characteristics of the text like sentence structure and length, word choice, and predictability, not by comparing it to a database of content.

Best FREE AI Detector

First, we rewrote the content using ChatGPT. Then, we checked the content with various AI checkers. The results are given in the table below.

Tool/Website	AI Detection Score
Merlin	100%
zerogpt	100%
Originality	100%
Surferseo	100%
Scribbr	100%
Duey	100%
sapling	98.8%
QuillBot	67%
SEO	32%
Undetectable	AI Detected

The above best free AI detector tool’s numbering is based on Practical data collected 4-5 times.

Note: No AI detector can provide perfect accuracy. As language models continue to evolve, detection tools must always race to keep up.