The 8 Most Accurate AI Text Detectors You Can Try
As language models like GPT continue to improve, it is becoming increasingly difficult to differentiate between AI-generated and human-written text. But, in some cases, like academics, it’s necessary to ensure that the text isn’t written by AI.
This is where AI text detectors come into play. Though none of the tools currently available detect with complete certainty (and neither do they claim to do so), a few of these tools do provide pretty accurate results. So, here, we list down the eight most accurate AI text detectors you’re able to try.
GPTZero was built to help teachers figure out if the work submitted by their students was generated using AI. But since GPTZero detects ChatGPT-generated content accurately, you don’t necessarily have to be a teacher to benefit from it.
GPTZero analyzes the text and tells if the text was written by humans or AI, highlighting the specific sentences it believes are AI-generated. It also provides a perplexity and burstiness score, which are measures for randomness and variation in randomness. Generally, these scores are high for human-written text and low for AI.
To test the tool, first, we pasted an excerpt from Ernest Hemingway’s Soldier’s Home. GPTZero rightly labeled the text as “mostly likely human written”. Likewise, it was able to correctly identify ChatGPT-generated text as “written entirely by AI”.
Lastly, we entered an excerpt from AI-written text mixed with human content. Astonishingly, GPTZero identified nearly all the sentences that were written by AI correctly. But it marked a few human-written ones as well.
Overall, GPTZero is good at detecting AI text, but also produces false-positive results. It also has a Batch File Upload feature that lets you scan multiple files at a single click. Besides the free plan, GPTZero has two paid plans with added features and higher limits.
2.Winston AI
Winston AI claims to detect AI-generated content with 99.6% accuracy. Though we cannot verify this claim, Winston AI did perform well in our tests.
First, it detected Hemingway’s Soldier’s Home as 100% human-written. Likewise, it labeled AI text as 0% human-written. Better still, it marked the mix of AI and human text as 35% human, almost correctly highlighting all the AI-generated sentences.
Winston AI also shows a readability score and plagiarism (if you upgrade to any paid plan). It offers a free trial of only 2000 words, after which you’ll have to switch to a paid account.
3.Content at Scale AI Detector
Content at Scale is itself an AI text generator that focuses on producing long-form content with a few clicks. It has an impressive AI detection tool too.
Content at Scale AI Detector provides scores for probability, pattern, and predictability, along with an overall score. These are expressed as percentages. The higher the percentage, the more likely that the text was written by a human. The tool also highlights sentences that it believes are AI-written.
In our tests, it gave a 100% score to human-written content, 16% to ChatGPT’s text, and 64% to the combination of both. Talking about the specific sentences, it nearly identified all the AI-written sentences. But, like GPTZero, it wrongly labeled a few of the human-written sentences as AI-generated.
This tool is free, too, and produced quite similar results as GPTZero.
4.Originality AI
Originality AI is a popular AI text detector that claims to accurately detect text produced by GPT 3, GPT 3.5, and ChatGPT. It gives a percentage of the likelihood that the text was generated by humans or AI and highlights the potentially AI-generated sentences.
Originality AI 2.0 Detection model (an upgraded version of its original tool) marked human-written text as 100% likely to be written by a human, which is quite impressive. Similarly, Originality AI accurately detected ChatGPT’s answer, labeling it as 100% AI. When asked to analyze a mix of human and AI text, Originality marked it as 68% AI and 32% human.
Unlike most other tools which offer a free plan, Originality AI is a paid detector. It can also check the content for plagiarism, but it costs extra credit.
5.Writefull GPT Detector
Writefull aims to make academic writing easier. To that end, it has a number of AI tools, including a GPT detector. The tool is free to use and encrypts the data to ensure privacy.
Writefull GPT Detector can identify content written by GPT-3 as well as ChatGPT. After analyzing, it provides a score indicating the probability that the content was written by AI.
In our tests, Writefull correctly detected human-written text, giving it a score of 1% (i.e., a 1% chance that the text was AI-produced). However, it gave a 39% score to ChatGPT’s text. Likewise, when we combined AI-generated content with human text, Writefull marked it as “2% likely this comes from GPT-3 or ChatGPT”.
So while it did recognize human and AI texts accurately to some extent, Writefull erred when we mixed the two. The tool offers integration with Word and Overleaf and has an API for GPT Detector as well.
6.Hive Moderation Text Detection
Hive Moderation does not only have a tool to detect AI text, but also to spot AI-generated images.
The text detection tool accurately analyzed human-written text as “likely to contain 0% AI text”. Similarly, AI-generated text was identified as such. But like most others, it wasn’t able to detect the combination of both texts as accurately.
On its site, you can use the demo tool for free without even signing up. But you’ll have to contact them for full access. Similarly, the image detector can help youspot images generated by AI toolslike DALL-E 2 or Midjourney.
7.Crossplag
Crossplag is another popular plagiarism checker with an AI detection tool as well. It has a simple interface that lets you paste text and check whether it’s generated by AI.
Besides telling how likely a piece of text is to be AI-generated, Crossplag highlights the particular sentences it believes to be AI-generated.
When we tested Crossplag, it rightly identified ChatGPT and humans written texts. However, when asked to scan mixed content, Crossplag incorrectly labeled it as 100% human.
While its plagiarism detector requires upgrading to a paid plan, Crossplag’s AI detection tool is free to use.
8.AI Content Detector by Copyleaks
Copyleaks, one of the mostpopular plagiarism detection tools, has another tool to detect ChatGPT, GPT-3, and other similar language models. What makes it a standout is that it can detect content written in other languages, like Spanish and French as well.
The tool was able to correctly identify Ernest’s short story as human-written with around 98.8% probability. Likewise, it detected AI text with 83.9% certainty. Where it did err was the mix of AI and human content, as it marked it as 67.2% likely to be human text.
AI Content Detector by Copyleaks has a Chrome extension. Best of all, it offers API and LMS integration.
Spot AI-Generated Text With a Single Click
Thanks to the above-mentioned tools, it’s possible to spot AI-written text quite easily. However, these are still far from being completely accurate. Just by changing a few sentences, it’s possible to trick these detectors. And a more serious concern with these tools is the false positives.
Even if you don’t want to rely completely on these detectors, AI text contains several telltale signs that you may spot if you pay a little attention.
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