6 Best Online AI Content Detectors for Teachers (Free Fast Accurate)

As a teacher, you must check for AI generated content at least once for your students' essays, assignments, or papers. Fortunately, there are dozens of web tools that provide deep analysis on generative content and provide the probability of AI.

The accurate AI checkers are advanced tools that find and highlight AI-generated content in the text or file. Moreover, they help classify the document as human-written or AI-generated.

In this article, we will introduce you to the 6 best AI content detectors for teachers. We will include both free and paid tools, so you’ll have access to a variety of options. This will enable teachers to choose the best tool according to their budget.

1. ZeroGPT

ZeroGPT is a popular web application to detect ChatGPT generated text for free. With ZeroGPT, you can find the options to find the AI for plain text, docx, pdf, and doc files.

If you're someone who needs to check bulk text for free, then ZeroGPT.tools is worth checking out. You'll find all the features available in the free version.

From ChatGPT content to chatbots like Google Gemini, Llama, and Copilot, you can detect AI content for many AI models.

Features of Teachers:

• Convenient to access.
• You can input upto 2000 words per one check.
• Signup is not required.
• Over 4 languages are supported.
• It doesn’t store user data so it’s safe to use.
• Deepscan with color highlighting as per the percentage of AI. Easy to understand.

Limitations:

• You can’t manage your data.
• Downloading reports feature is disabled.

2. Writer’s AI Detector

Writer.com is an all-in-one service to enhance your AI writing skills. It's not just for checking AI content in students' assignments; teachers can also use it to improve their knowledge of LLM development and real-time use cases.

Features of Teachers:

• Write app can be integrated into schools and colleges via API.
• They don’t ask you to create an account to use their AI content detector.
• Quick detection.
• Support guides will be provided.

Limitations:

• Only 5000 words were available in the freemium version.
• No detailed reports.

3. Turnitin

Turnitin is massively popular across all education systems as it is integrated with various educational institutions.It is the best free AI detector for teachers, but only if it is available at their workplace. This is why I placed it third in this article. Otherwise, I must place this at top.

Features of Teachers:

• Teachers can track students’ assignments with an instant AI-assisted grading feature.
• They can conduct online exams through Turnitin to prevent students from using chatbots.
• Checks all types of text-based formats.
• Live chat support.

Limitations:

• Limited availability.

4. TraceGPT

TraceGPT for teachers enables checking AI flags in input text and documents. Moreover, academics can integrate TraceGPT’s AI checker tool.

Complete with an AI plagiarism checker that handles large text lengths for accurate results, it is a great tool for time-strapped mentors. As an additional benefit, it doesn’t leak the checked papers, ensuring transparency.

Features of Teachers:

• It helps fix writing issues in education.
• It's perfect at identifying human-written content, with no way to mistake it for AI-generated content.
• Once the checking is done, it will initiate automatic deletion.
• 100% secure tool.

Limitations:

• A login is required.
• Whether you’re an instructor or teacher, you must request for a demo to test it out.

The 2 Best Premium AI Text Detectors

5. Originality.AI

With the Originality.AI platform, you can add an extra layer to content authorship by performing AI checks, plagiarism checks, and fact checks.

The current accuracy for this tool is 99%.

Affordable API plans for individuals or education.

The best feature of Originality is that it can able to extract the paraphrased (Humanized) content too.

Features of Teachers:

• Plagiarism Detection: Originality.AI quickly identifies copied content in student work, ensuring academic integrity.
• AI-Generated Content: It detects AI-written text, helping teachers verify the authenticity of student submissions.
• Saves Time: Automating originality checks allows teachers to focus more on teaching and feedback.

Limitations:

• An Originality.ai subscription is needed to access premium features.

6. AI Detector By Grammarly

This AI checker comes from Grammarly.com, which is also a highly trusted writing assistance tool. It was developed using NLP and custom LLM models to fine-tune its AI writing services.

In my test of the Grammarly detector, it enabled the entire educational institution to offer unique AI-powered writing services.

Features of Teachers:

• Grammarly for Education.
• Technical support.
• 97% of teachers say Grammarly helps them check essays, assignments, and other writing material with high confidence.
• Grammarly editor will suggest human writing techniques and avoid artificial patterns and sentences.

Limitations:

• To use this AI detector for teachers, your educational institution should integrate Grammarly, or you need to have a Grammarly subscription.