List of the Top 25 Free AI Content Detection Tools in 2026

Utilize Grammarly's AI-powered writing tool to create confident, precise, and flawless content. The most recent enhancement from Grammarly organizes your writing recommendations by theme, helping you grasp how each suggestion boosts your audience's understanding of your message. While working on various platforms such as Gmail, Twitter, LinkedIn, and others, Grammarly provides immediate feedback, helping you refine your writing effortlessly. This comprehensive tool addresses a range of elements from grammar and spelling to style and tone, ensuring you rectify errors and select the most appropriate words to express your ideas clearly. Start your free journey today and discover the potential that Grammarly can reveal for your writing skills. For businesses, Grammarly Business equips every team member with the tools to create polished and error-free communication that reflects well on the organization. Each email, webpage, and social media post creates a lasting impression on clients, and with Grammarly, you can rest assured that this impression is a positive one. Effective writing involves more than just correct grammar; Grammarly Business goes further by offering real-time insights aimed at improving overall readability. This extensive level of assistance enables teams to communicate more efficiently, foster stronger connections, and engage their audience in a more impactful way, ultimately leading to enhanced business relationships.

Artificial intelligence is ideally suited to address some of the most pressing challenges faced by students and writers today, such as writer's block, information overload, and knowledge gaps. Smodin is an organization focused on assisting students by utilizing AI to tackle these substantial educational challenges. By concentrating on the most urgent needs of learners and creators, Smodin strives to simplify the writing experience. We believe that writing should never hinder anyone, regardless of their language proficiency, understanding, or skill level; rather, it should be a tool for free expression. Our diverse team, composed of enthusiastic developers and creative thinkers from around the world, has a notable presence in Islamabad, Pakistan. We place a high value on ensuring that our team members work on projects they find fulfilling and enjoyable. Led by a developer CEO, we emphasize technical skill and product innovation in all our projects, cultivating an atmosphere where creativity and originality can flourish. Our dedication to making writing more accessible empowers individuals to express their distinctive perspectives and share them with a broader audience. By bridging the gap between technology and creativity, we aim to revolutionize the writing process for everyone.

Krater.ai is an intuitive and all-encompassing platform that offers a variety of AI-enhanced tools and services, positioning itself as a strong competitor to leading AI applications and services. By utilizing Krater.ai, users can conveniently access a multitude of tools and services from a single platform, thereby avoiding the hassle of juggling numerous applications and various login credentials along with their associated pricing structures. Our suite of AI-driven tools and templates allows you to create completely original content in mere seconds, ensuring that your work is free from plagiarism and empowering you to concentrate on producing engaging content that connects with your target audience. Krater.ai presents affordable pricing options customized to align with your unique needs, catering to marketers, content creators, and entrepreneurs alike. Furthermore, we offer a complimentary plan that allows you to explore our features without any upfront payment or credit card requirement, making it easier than ever to get started. Ultimately, Krater.ai aims to streamline your workflow while enhancing the quality and originality of your content.

Codespy AI Detector is an advanced platform built to detect AI-generated source code in a variety of widely-used programming languages such as Java, Python, C#, JavaScript, C++, and PHP. As AI models like ChatGPT, Gemini, and Claude become increasingly integrated into software development, the risk of subtle bugs and errors introduced by AI code grows significantly. Codespy helps developers and software managers quickly identify these AI-generated code snippets to ensure quality and security in their codebases. Its compatibility with popular development tools, including Visual Studio Code and ChatGPT plugins, allows for seamless integration into existing workflows. By highlighting AI-originated code, Codespy enables teams to develop robust guidelines and processes that balance innovation with risk management. This not only accelerates development cycles but also helps reduce wasted engineering hours on unreliable AI code. Codespy offers tiered pricing options, from a free plan with limited scans to business and enterprise packages designed for larger teams. The platform supports branded and white-label reporting, data exports, and offers an API for additional integrations. Trusted by over 100,000 users globally, Codespy combines accuracy with ease of use, making it a go-to choice for professionals looking to harness AI responsibly. Its commitment to transparency acknowledges that no AI detection tool is perfect, yet it strives to provide the most reliable results possible in an evolving AI landscape.

GPTKit serves as a tool designed to identify AI-generated text. Are you tired of struggling to differentiate between text created by machines and that authored by humans? Your search ends here! With our multi-model approach, we can effectively categorize text as either machine-generated or human-generated. Try it out today! Keep in mind that we employ six distinct methods to achieve detection accuracy reaching 93%. Each analysis of 1024 characters will require one credit, and for optimal results, please provide more than 50 words. This ensures a more precise evaluation and enhances the overall performance of the tool.

ZeroGPT Plus is a free AI-powered tool designed to detect plagiarism in content without requiring any user sign-up. This advanced tool is tailored to recognize text created by various AI platforms, including ChatGPT, Gemini, Claude, and Copilot. By leveraging state-of-the-art technology, it thoroughly examines written material against a vast database to pinpoint signs of AI-generated content. Beyond just identifying AI text, it also improves the quality of such content, enhancing its relatability and natural flow. Users can choose from multiple languages and styles, allowing them to customize the output to meet their individual needs. This multifunctional tool is perfect for writers aiming to polish their work while ensuring it remains original and trustworthy. Additionally, its user-friendly interface makes it accessible for anyone interested in maintaining the integrity of their writing.

Tencent’s Zhuque AI assistant employs multiple advanced AI models trained on extensive datasets to detect whether text is authored by humans or AI systems. It is highly proficient in recognizing AI-generated text in both English and Chinese, making it effective for multilingual applications. Zhuque also includes a robust image and video detection system capable of discerning if visuals were completely generated by AI or created by humans. This system has been trained on millions of examples of AI-generated and human-produced images and videos, encompassing a wide array of content types such as photography, digital paintings, posters, movies, and short video clips. The detection tool supports many mainstream AI generation models currently available, and the platform continually updates to cover more models. By identifying AI-generated media, Zhuque helps users authenticate digital content and combat the growing challenges of misinformation and deepfakes. Its comprehensive approach integrates text, image, and video analysis to provide a multifaceted verification solution. The platform’s ongoing data enrichment ensures that its detection accuracy improves with time, adapting to new AI techniques. Zhuque’s versatility and multilingual capability make it suitable for a wide range of industries including media, security, and education. This comprehensive tool is essential for organizations and individuals seeking reliable verification of AI-generated content across various media formats.

StudyXY is a cutting-edge educational platform that leverages artificial intelligence to help students refine their writing abilities, expedite their learning journey, and boost their academic results. ✍️ AI Writer – Generate essays, research papers, and assignments with precise citations included. 🧮 AI Homework Helper – Provides comprehensive, step-by-step solutions for subjects such as mathematics and science. 📄 Document Chat – Empowers users to upload PDFs or notes for interactive discussions about the content. 🧠 Flashcard Generator – Transforms lecture notes into smart flashcards, promoting effective study habits. 📝 AI Test Prep – Creates personalized quizzes and practice exams tailored to meet each student's unique requirements. 🔍 Plagiarism Checker and 🤖 AI Detector ensure content originality and adherence to academic integrity. Ad-free and dedicated to safeguarding user privacy, StudyXY is accessible on platforms like Windows, Android, and the web, making it a flexible resource for students globally. Additionally, its intuitive interface allows learners to effortlessly explore its diverse range of functionalities. With these features, StudyXY stands out as a comprehensive tool for enhancing educational experiences.

Content at Scale is a groundbreaking platform crafted to empower SEO marketers by facilitating the efficient production of high-quality, unique content in large volumes. Leveraging advanced AI technology, it can create in-depth, research-driven blog articles of over 2,500 words in just five minutes, while also analyzing the top-performing content on Google to ensure a fully optimized SEO blog post. Unlike conventional AI writing tools, this platform serves as a robust long-form content generator, delivering more than 40 million words monthly for clients across diverse industries and general knowledge topics. By adopting its state-of-the-art AIO model, Content at Scale enables agencies and marketers to realize remarkable time and cost efficiencies—anywhere from 10 to 25 times—compared to standard human-only content production methods. Its user-friendly interface allows individuals without any SEO expertise to generate search engine-optimized content with ease. Furthermore, Content at Scale features a built-in tool for identifying AI-generated content, which significantly boosts its value for marketers seeking authenticity. This dual capability not only enhances the platform’s versatility but also establishes it as a vital resource for meeting the demands of contemporary content creation. As digital marketing continues to evolve, solutions like Content at Scale will be crucial for staying ahead in a competitive landscape.

Create stunning visuals with ease using Leap AI's AI Image Generator, a remarkable tool that converts text prompts into eye-catching images suitable for various purposes such as marketing, content creation, and personal projects. This cutting-edge application ensures top-notch imagery that enhances your initiatives, providing a platform to express your concepts artistically. To achieve the best results, it is crucial to provide thorough and descriptive prompts. The more specific your input, the more vivid and accurate the images will be, effectively bringing your imaginative ideas to life with remarkable clarity and detail. Such a tool not only streamlines the creative process but also empowers users to experiment with different styles and themes.

Sapling serves as an AI tool designed for customer-oriented departments, seamlessly integrating with messaging platforms and CRMs to help agents craft tailored responses. This innovative platform offers managers valuable conversational insights, enhancing their ability to coach and prepare their teams effectively. With features such as autocomplete, spelling and grammar checks, as well as snippets and text expansion tools, Sapling ensures that communication is both efficient and accurate. Furthermore, its services can be deployed on-premise or in the cloud, catering to various security and privacy needs. The Grammar and Spelling APIs enable the integration of Sapling's advanced language models into bespoke applications and specific use cases. Additionally, the Sapling Suggest feature allows agents to quickly access pertinent answers from a centralized knowledge database, enabling them to respond to customer queries more swiftly by simply clicking on the preferred response. By shifting away from rigid, decision tree-based chatbots, businesses can empower their agents to provide more personalized and effective customer service. This approach not only improves response times but also enhances customer satisfaction, creating a more engaging experience.

Copyleaks stands out as a premier AI text analysis platform committed to assisting businesses and educational institutions in successfully navigating the dynamic world of generative AI. The company prioritizes responsible innovation, underpinned by principles of integrity, transparency, and ethics, while advancing technology. Established in 2015, Copyleaks harnesses the capabilities of AI to foster authenticity and originality, offering award-winning solutions that are trusted by millions. These solutions facilitate responsible AI integration, safeguard intellectual property, ensure compliance with copyright laws, and uphold academic integrity through thorough content detection methods. Central to Copyleaks' mission is the dedication to blending technology with ethical practices. Additionally, the AI Grader by Copyleaks represents a state-of-the-art grading tool that significantly boosts efficiency, minimizes errors, removes bias, and delivers precise grading for thousands of tests in mere minutes, demonstrating the company's commitment to innovation in education. The integration of such advanced solutions not only enhances the grading process but also contributes to a fairer academic environment.

GPTZero is a comprehensive AI detection and authorship verification platform focused on preserving what’s human in writing. It detects AI content from modern models including GPT-5, ChatGPT, Gemini, Claude, and Llama with industry-leading accuracy. Beyond detection, GPTZero provides advanced tools such as writing replays, plagiarism checks, hallucination detection, and AI-assisted writing feedback. Its multi-component detection model minimizes false positives while delivering transparent, explainable results. Educators can integrate GPTZero directly into learning management systems to monitor AI usage at scale. Professionals and organizations use it to validate originality, ensure compliance, and maintain content standards. GPTZero supports multilingual detection and enterprise-grade security for large deployments. Detailed reports help users understand not just if AI was used, but how. The platform encourages ethical, high-quality writing in classrooms and workplaces. GPTZero stands out for combining technical accuracy with human-centered verification.

This innovative tool for content optimization is completely free and analyzes the leading 10 Google search results for any chosen keywords, employing entities and natural language processing while ensuring full transparency by avoiding the fabrication or hiding of keywords intended for your improvement. Indeed, this is a content optimizer that will remain cost-free and without restrictions indefinitely. It gathers the top 10 results for any given phrase, pulls relevant information (including anchor texts), and identifies keyword commonalities based on the agreement among the majority of those results, specifically when six or more share identical terms. These identified keywords are then organized into a list for you to incorporate into your writing, with the tool calculating their average occurrences across the top 10 results to facilitate a smoother integration into your content. Unlike other platforms, we are dedicated to maintaining this service entirely free and without limitations. Currently, the tool is in development, and we welcome suggestions for new features within our Facebook group. To remain competitive in your niche, it's essential to routinely revisit and refine your articles to keep pace with the top content in your field. Ultimately, ongoing improvement is vital for sustaining a prominent position in search results, ensuring your content remains relevant and engaging.

ZeroGPT is a comprehensive AI detection and writing assistance platform built for transparency, accuracy, and global accessibility. It detects AI-generated text from leading models including GPT-5, ChatGPT, Gemini, Claude, Perplexity AI, Grok, DeepSeek, and LLaMA. Its DeepAnalyse™ Technology evaluates text at both macro and micro levels, ensuring precise detection across all languages. ZeroGPT highlights AI-written sentences, provides confidence scores, and generates professional PDF reports suitable for academic or professional use. Beyond detection, it offers a complete toolkit for content improvement, including plagiarism checking, grammar correction, paraphrasing, summarization, translation, and citation generation. Batch processing and API access make it ideal for organizations and platforms operating at scale. Integration with WhatsApp and Telegram extends its functionality into everyday workflows. ZeroGPT empowers users to verify originality, improve writing quality, and confidently manage AI-generated content.

Our platform specializes in identifying images that have been created or altered using AI technology, including deep fakes. We provide a comprehensive suite of tools that aids users in understanding the intricacies of AI image generation. With our services, individuals can ascertain whether an image is AI-produced, recognize the specific AI model responsible, and detect which elements of the image are artificial. Additionally, we offer a feature that evaluates the likelihood of an image being generated by AI. Illuminarty employs advanced computer vision methodologies to assess the chances that an image originates from publicly accessible AI models. Beyond images, users can also analyze text to evaluate the extent of AI involvement. Our system utilizes diverse natural language processing techniques to scrutinize written content and indicate portions that are likely to be AI-generated. We are in the process of creating a web browser extension that will facilitate the use of our detection tools while users navigate the internet. This extension is designed to promote digital literacy and increase awareness about the authenticity of content found online. By empowering users with these tools, we aim to foster a more informed digital community.

Detecting the presence of AI-generated content in academic works, such as those created by tools like GPT-4, ChatGPT, and Jasper, is increasingly important in today's landscape filled with AI writing technologies. Maintaining academic integrity is vital, and to aid in this, SciSpace has introduced an innovative AI detection tool designed to differentiate between human-written and machine-generated text in academic literature. By integrating our findings with a comprehensive analysis, one can ensure that their scholarly contributions retain their authenticity. No matter if you're working with raw text or an essay in PDF format, acquiring quick and easy AI detection reports is effortless; you can either paste your text into the provided editor or upload your document for evaluation. Tailored for essays, assignments, and academic papers, our AI detection tool boasts an impressive accuracy of 98%, enabling users to make well-informed decisions regarding their content when paired with their own critical thinking. Upon completion of the analysis, you'll receive a detailed report that not only outlines the entire document but also examines it sentence by sentence, highlighting the degree and specific areas where AI-generated text appears. Leveraging this data empowers you to modify the content, reducing the proportion of AI-generated text and enhancing the overall authenticity of your work. Such a proactive strategy ensures that you can preserve the integrity of your academic output while effectively managing the challenges posed by modern writing technologies, ultimately fostering a culture of originality and trust in scholarly communication.

Every day, our team meticulously examines the latest outputs from ChatGPT and other AI models to keep our recognition algorithm current and effective. If you happen to come across an AI detection tool that surpasses our capabilities, we encourage you to inform us for a possible refund. AIDP focuses on detecting AI-generated material in English, Spanish, and German languages. Furthermore, it highlights specific parts of your document that might trigger alerts from AI detection systems. In the case of English content, it offers detailed analysis of anticipated AI-generated text and identifies commonly used phrases and terms linked to AI production. This comprehensive approach ensures a thorough understanding of potential AI influence in your writing.

We specialize in detecting AI-generated images to uphold the integrity and reliability of your service. As the incidence of AI-created spam and fraudulent activities escalates, platforms that feature user-generated content are increasingly encountering deceptive tactics, such as deepfakes and other variations of misleading media. The advancement of contemporary AI models enables them to generate content that closely resembles authentic human creations, posing significant challenges for existing systems to accurately distinguish between genuine works and those generated by AI. Our innovative algorithms are designed to quickly adapt to the fast-evolving landscape of AI content production, ensuring their continued effectiveness. Our research team is dedicated to pioneering scalable solutions for identifying AI-generated content. Additionally, our API facilitates the smooth integration of sophisticated AI models, empowering you to focus on your primary business goals. Unlike many existing systems that compromise user privacy by collecting and processing personal data without clear consent, we prioritize privacy in our solutions. By protecting user information while delivering powerful detection capabilities, we aim to foster a more reliable digital landscape. In doing so, we enhance user trust and security, which are essential in today’s rapidly changing technological environment.

Verify the authenticity of images and audio for your personal and professional requirements by leveraging AI or Not. This solution enables you to quickly assess generative AI content, thus reducing the potential for fraud and countering the latest scams. It is particularly vital in safeguarding music copyrights by identifying whether an artist's voice has been incorporated into AI-generated audio. Enhance your trust and safety measures with robust AI content detection capabilities, allowing for precise identification of deepfakes with a notable degree of transparency. Additionally, it aids in ensuring identity verification and compliance with KYC regulations by mitigating the threats posed by AI-generated synthetic identities. AI or Not is a user-friendly web-based service crafted to assist individuals in determining whether an image has been artificially generated or produced by a human. When an image is found to be AI-generated, our system identifies the specific AI model that created it. For users needing comprehensive image analysis, we offer the AI or Not API, which allows for bulk image evaluations and seamless integration with existing systems. While individual image analyses are available at no cost, we also provide a premium API service designed for larger-scale assessments or commercial use. Our dedication to user-friendliness guarantees that both casual users and businesses can effectively take advantage of our services, making the process of verifying content both accessible and efficient. In today's digital landscape, ensuring the authenticity of your media is more important than ever.

Discover unparalleled accuracy and ease of use with our AI content checker, a highly recommended tool known for its outstanding capacity to identify text generated by artificial intelligence. It meticulously marks each AI-created sentence while visually displaying the percentage of AI text within the entire document. Designed for remarkable precision, our checker adeptly identifies AI-generated content with impressive consistency. The user-friendly interface ensures that anyone can navigate the system effortlessly, making the experience smooth and straightforward. You can begin the process of identifying AI-generated material instantly, without having to create any accounts. Your privacy is guaranteed, as we do not keep or share your data. Our AI checker is well-equipped to handle various AI models, enabling it to effectively detect content produced by platforms such as ChatGPT, Gemini, Jasper, Claude, and others. We are dedicated to the ongoing improvement of our system, ensuring it remains capable of automatically recognizing new models like GPT-4, thereby keeping our detection tool in tune with the latest developments in AI technology. This dedication to progress guarantees that you will always have access to the most dependable and up-to-date detection solutions on the market. By using our AI checker, you not only ensure accuracy but also contribute to a more transparent digital landscape.

Avoid.so is a groundbreaking platform that transforms AI-generated text into a form that closely resembles authentic writing, skillfully designed to bypass leading AI detection systems such as GPTZero, Turnitin, Originality.AI, and Copyleaks, achieving an outstanding success rate of 99.8%. Supporting content in over 50 languages, it preserves the original message, tone, and intent while converting AI-generated structures into more accessible language. The platform offers swift processing capabilities, allowing it to humanize thousands of words in just seconds, all backed by a strong enterprise-grade infrastructure that maintains SOC 2 compliance and guarantees 99.99% uptime. Users can initiate their journey with 600 free word credits through a credit-based system, with a variety of paid tiers that accommodate different monthly word limits and requests tailored to user preferences. Furthermore, businesses and high-volume consumers can benefit from additional features such as improved AI detection evasion, prioritized processing, API access, custom integrations, and dedicated account management available through premium subscription plans. This all-encompassing service empowers users to customize their experience to fit their unique requirements while harnessing the advantages of cutting-edge technology. Ultimately, Avoid.so stands out as a vital tool for those seeking to enhance their written content with a human touch.

Ryter.pro serves as a digital writing assistant that aids users in transforming AI-generated text into more fluid and human-like writing. Its main purpose revolves around rephrasing algorithmically produced content while preserving the core message, modifying the style, tone, and structure to bypass AI detection mechanisms. Alongside this, the platform includes a content detection feature and various text manipulation tools, significantly boosting its functionality. Users can conveniently access the service by pasting their AI-generated text, selecting "Humanize," and obtaining a revised output tailored to evade detection systems such as Turnitin, GPTZero, and Originality.ai. Privacy is paramount, as Ryter.pro ensures that no user data is stored on its servers; all processing takes place in real-time and is promptly deleted afterward. In addition, the platform provides a REST API, enabling smooth integration into automated processes, which makes it a useful asset for writers, marketers, and developers seeking programmatic solutions. With this robust suite of features, Ryter.pro stands out as an indispensable resource for those aiming to enhance AI-generated text while prioritizing user confidentiality. The platform not only empowers users to create more authentic writing but also equips them with tools to navigate the ever-evolving landscape of content creation and detection.

Pangram is a powerful AI detection and content transparency solution created to identify AI-generated text with exceptional reliability. It analyzes both short and long-form content to determine whether writing was produced by humans, AI, or a combination of both. The platform supports detection across major LLMs, including ChatGPT, Claude, Gemini, Perplexity, and emerging models. Pangram delivers detailed interpretability features, highlighting which sections of text show AI characteristics. Its multilingual detection capabilities cover over 20 languages, enabling global adoption in education and publishing. Pangram’s AI plagiarism checker compares content against billions of online sources to verify originality. Integrations with Google Docs, Canvas, LMS platforms, and a Chrome extension make detection fast and seamless. The API allows developers and enterprises to scale AI detection across high-volume workflows. Pangram is designed to outperform human experts in AI detection accuracy. Its models are continually updated to stay ahead of new AI writing techniques. The platform emphasizes data privacy, security, and ethical AI use. Pangram helps organizations maintain trust, integrity, and accountability in the age of generative AI.

Here is an online demonstration of the GPT-2 output detection model, which employs the RoBERTa framework from 🤗/Transformers. You can enter your text in the designated input box, and the predicted probabilities will be displayed below. It's crucial to understand that the accuracy of the results improves significantly when the input text is around 50 tokens long. As you play around with various inputs, you will be able to assess how well the model performs and its reliability across different lengths of text, providing insights into its capabilities. This interactive tool offers a practical way to explore the nuances of text detection.