7 Best AI Writing Detectors To Help You Spot Generated Content

Author BiFindr Editor
Dec 28, 2025 3 min read
7 Best AI Writing Detectors To Help You Spot Generated Content
Share Article

Why Use an AI Content Detector?

In the age of ChatGPT and Jasper, content production has skyrocketed. However, search engines like Google still prioritize "helpful, people-first content." Furthermore, for students and editors, ensuring originality is non-negotiable. AI detectors analyze text for patterns such as "perplexity" (complexity of text) and "burstiness" (sentence variation) to determine if a human or an algorithm wrote the piece.

Here are the 7 best AI detection tools available on BiFindr to help you spot generated content instantly.


1. QuillBot AI Detector

QuillBot is famous for its paraphrasing tool, but its free AI detector is equally impressive. It is a great entry-level tool for casual users who need to check short paragraphs or essays quickly.

  • Best For: Students and casual writers.
  • Key Feature: deeply integrated with their grammar and paraphrasing suite.

2. Originality.AI

Widely considered the gold standard for serious web publishers and content marketing agencies. Originality.AI is designed to detect GPT-4 and other advanced models with high accuracy. It specifically targets "content marketers" who need to ensure their writers aren't taking shortcuts.

  • Best For: Web publishers and SEO agencies.
  • Key Feature: detects AI content even if it has been paraphrased (to a degree) and checks for plagiarism simultaneously.

3. Hive AI

Hive Moderation offers a robust AI text detection API and web interface. It is often used by platforms to moderate content at scale. Hive breaks down the text and gives you a probability score, showing exactly which parts of the text are likely machine-generated.

  • Best For: Developers and Enterprise moderation.
  • Key Feature: Visual probability segments showing "fake" vs. "real" text.

4. GPTZero

Developed initially for the education sector, GPTZero went viral for its ability to spot AI essays. It uses complex algorithms to measure the randomness of sentences. If a text is too "predictable," GPTZero flags it as AI.

  • Best For: Educators and Teachers.
  • Key Feature: "Burstiness" score which analyzes sentence structure variation.

5. Monica AI Detector

Monica is an all-in-one AI assistant that lives in your browser, but it also features a handy detector. This is perfect for users who are browsing the web and want to quickly verify if the article they are reading is human-written without opening a new tab.

  • Best For: Chrome/Edge users who want an integrated assistant.
  • Key Feature: One-click detection from the browser sidebar.

6. Smodin

Smodin is a multi-lingual powerhouse. While many detectors struggle with languages other than English, Smodin excels globally. It offers a suite of tools including grading, plagiarism checking, and AI detection.

  • Best For: Multi-lingual content creators.
  • Key Feature: High accuracy across different languages, not just English.

7. ZeroGPT

Not to be confused with GPTZero, ZeroGPT is known for its simplicity and aggressive detection. It provides a simple "Human vs. AI" percentage gauge. It is free to use and requires no complicated signup process for basic checks.

  • Best For: Quick, free checks.
  • Key Feature: Simple, no-nonsense interface with instant results.

Conclusion

Whether you are a teacher checking homework or a publisher protecting your website's SEO rankings, these tools are essential in 2024. For professional bulk checking, Originality.AI is a top contender, while QuillBot and ZeroGPT offer excellent free alternatives for quick scans.

Explore more AI tools and software reviews right here on BiFindr.

BiFindr Editor

BiFindr Editorial Team

We are a team of tech enthusiasts dedicated to curating the best digital tools for professionals. Our mission is to help you find the software you need to succeed.

Read more about us →
Never Miss an Update

Get Weekly Trending Reports

Join 50,000+ professionals. Stay updated with the hottest tools, detailed reviews, and emerging trends delivered straight to your inbox.

No spam, unsubscribe anytime.