Best AI Content Detection Tools

Compare the Top AI Content Detection Tools as of April 2025

What are AI Content Detection Tools?

AI content detection tools are software tools designed to detect whether a piece of text was written by an artificial intelligence system. These tools compare the text to a library of known AI-generated phrases and sentences, scoring it based on its similarity to those examples. The results can help provide insight into how much of the text was written by AI versus a human writer. Compare and read user reviews of the best AI Content Detection tools currently available using the table below. This list is updated regularly.

  • 1
    Writer

    Writer

    Writer

    Writer is the full-stack generative AI platform for enterprises. We make it easy for organizations to deploy AI apps and workflows that deliver impactful ROI. Our integrated platform consists of our top-scoring Palmyra LLMs, our highly accurate graph-based RAG, AI guardrails to enforce brand and compliance rules, easy-to-use development tools, and a library of prebuilt apps, extensions, and desktop experiences to get started quickly. With Writer, enterprises build highly-customized AI apps that accelerate growth, increase productivity, and enable AI compliance. Our enterprise-grade platform can be deployed flexibly, keeps your data private, and adheres to global privacy laws and security standards.
    Starting Price: $18 per user/month
  • 2
    Leap AI

    Leap AI

    Leap AI

    Create beautiful images effortlessly with AI Image Generator tool by Leap AI AI Image Generator tool by Leap AI helps you create stunning images from text prompts, which can be useful for various purposes such as marketing, content creation, and personal projects. It ensures you have high-quality visuals to enhance your work. To get the best results, provide detailed and descriptive text prompts. The more specific your input, the more accurate and visually appealing the generated images will be.
    Starting Price: $7 per month
  • 3
    Sapling AI Writing Assistant

    Sapling AI Writing Assistant

    Sapling Intelligence

    AI writing assistant for customer-facing teams. Sapling sits on top of CRMs and messaging platforms to help agents more efficiently compose personalized responses. Managers gain conversational insights to coach and prepare teams. Sapling provides functionality for autocomplete, spelling and grammar checking as well as snippets/canned messages/text expander. All services can be self-hosted, provided on-premise or cloud-premise to meet enterprise security and privacy requirements. Spelling and Grammar checking APIs allow users to integrate Sapling's language models into custom applications and use cases. Sapling Suggest retrieves relevant responses from a team knowledge bank and allows agents to respond more quickly to customer inquiries by simply clicking on the desired response. Empower agents instead of providing brittle, decision tree-based chatbots.
    Starting Price: $25 per month
  • 4
    Copyleaks

    Copyleaks

    Copyleaks

    We’re a leading AI text analysis platform dedicated to empowering businesses and educational institutions as they navigate the ever-evolving landscape of genAI through responsible AI innovation, balancing technological advancement with integrity, transparency, and ethics. Since our founding in 2015, we’ve harnessed the power of AI to empower authenticity and originality. With an award-winning suite trusted by millions, we ensure AI governance and responsible AI adoption, safeguard IP, confirm copyright compliance, and maintain academic integrity with comprehensive content detection. Copyleaks, where technology meets integrity. The AI Grader By Copyleaks is a cutting-edge AI test grader that boosts efficiency, reduces errors, removes all bias, and accurately grades thousands of tests in minutes.
    Starting Price: $7.99
  • 5
    Kazan

    Kazan

    Kazan

    So this is a totally free content optimizer based on co-relation to the top 10 Google results for any given keywords, this includes entities, NLP, and it’s totally transparent without hiding or making up keywords for you to optimize. That’s right, you heard it, a free forever and unlimited content optimizer. It grabs the top 10 results in google for any given phrase, extracts its content (including anchors), and co-relates its content to find similarities of keywords they use if there’s a consensus of the majority of the results (6 or more) it then adds it to a list of keywords you should include into your content, it averages it out the occurrences of those keywords in the top 10 results and it guides you into including those keywords into your content. Unlike competitors, we will be free forever and unlimited. The tool's in development, any features you want to be added post them in the FB group. You should optimize your articles more than once to keep up with the top performers.
    Starting Price: Free
  • 6
    Illuminarty

    Illuminarty

    Illuminarty

    Detect AI-generated images, synthetic, tampered images, and deep fakes. We offer various functionalities to help our users understand the generation of images through AI. Check whether or not an image has been AI-generated, from which AI model it has been generated, and which regions of the image have been generated. Find out the probability of AI generation for a given image. Illuminarty combines various computer vision algorithms to provide the likelihood of the image being generated from one of the public AI generation models. Find out the probability of AI generation for a given text. Illuminarty combines various NLP algorithms to provide the likelihood of the text being generated from one of the public AI generation models. We denote the specific passages from the given text that are most likely the result of AI generation. We are working on a web browser extension that lets us use our detectors while we surf on the internet.
    Starting Price: $10 per month
  • 7
    Nuanced

    Nuanced

    Nuanced

    We detect AI-generated images to protect the integrity and authenticity of your service. AI-generated spam, abuse, and fraud are on the rise. User-generated content platforms are contending with an increased amount of fraud, deepfakes, and inauthentic content. Advanced models generate content that appears authentic and convincingly human-like, making it difficult for established systems to distinguish between genuine human-authored artifacts and AI-generated content. Our algorithms stay ahead of the accelerating changes in AI content generation. Our research team is at the forefront of building scalable models to detect AI-generated content. Our API allows integrators to quickly and easily leverage state-of-the-art AI models so you can focus on your business. Many existing systems compromise user privacy by collecting and utilizing personal data without clear consent. We believe in privacy-first solutions.
    Starting Price: $29 per month
  • 8
    Winston AI

    Winston AI

    Winston AI

    Winston AI is an advanced AI content detector software specifically designed for the publishing and education industries. It comes equipped with powerful features such as plagiarism detection, OCR (Optical Character Recognition), report generation and file management capabilities. Winston AI can detect text generated by popular AI writing tools such as ChatGPT, Jasper, Copy.AI, Writesonic and many more, with unprecedented accuracy.
    Starting Price: $14 per month
  • 9
    AI or Not

    AI or Not

    AI or Not

    Detect AI-generated images & audio for your business and yourself, with AI or Not. Check for generative AI in seconds to reduce fraud rates and prevent the latest scam. Protect music copyright by detecting if an artist’s voice was used in AI-generated audio. Empower your trust and safety team with AI content detection. Identify deepfakes with accuracy and transparency. Safeguard identity verification and KYC compliance against AI-generated synthetic IDs. AI or Not is a web service that helps users quickly and accurately determine whether an image has been generated by artificial intelligence (AI) or created by a human. If the image is AI-generated, our service identifies the AI model used. We offer the AI or Not API for bulk image analysis and seamless integration into your platform. AI or Not is free to use for analyzing single images. We offer a premium API service for bulk image analysis or commercial use.
    Starting Price: $5 per month
  • 10
    Rephrasy

    Rephrasy

    Rephrasy

    Elevate your AI writing with Rephrasy's industry-leading human writer. Paste your AI content and we'll do the rest. Pass AI detection with ease. Ensure your content is not flagged as AI. Make sure to get your content past AI detectors like GPTZero, Copyleaks, Turnitin, and more. Bypass AI detection with the world's most powerful AI stealth text humanized. Keep your AI writing undetectable with the world's best AI detection remover. No grammatical errors or low-quality output. Rephrasy offers the highest quality outputs in the industry. If you're not satisfied, you'll be able to re-humanize for free. Maintain your privacy and don't get flagged by AI detectors. Rephrasy is the best AI detection remover tool in the industry. Transform your essays, research papers, and dissertations into polished, human-like writing that bypasses AI checkers and maintains academic integrity. Rephrasy is the best AI detection remover for academic writing.
    Starting Price: $12.99 per month
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