"The most accurate AI detector & plagiarism checker—99% accuracy for education & business."
Typical plan: $14.99 / month

The most accurate AI detector & plagiarism checker—99% accuracy for education & business.
Based on user reviews
Rating Distribution
Marcus Chen
2 months ago
Used GPTZero for three months grading student essays. Catches obvious ChatGPT outputs flawlessly, though it flagged a few legitimate assignments as suspicious. The free tier's 10k words monthly limit felt tight once I started batch processing. Sentence-level highlighting genuinely helps pinpoint problematic sections, but struggles with humanized content.
Marcus Chen
2 months ago
Been testing GPTZero for about 3 months across student submissions. Nails pure ChatGPT text instantly, though it occasionally flags polished human writing. The sentence-level breakdown is genuinely helpful for educators. Performance drops noticeably with paraphrased content - caught maybe 70% of edited AI text. Decent free tier, worth trying before upgrading.
Join 10,000+ users who trust our reviews
Sign up to see all reviews and get insights from real users
Already have an account? Log in
How to Use GPTZero | GPTZero Tutorial
Albert Schaper(Artificial Intelligence, AI Tools)
Based on 2 user reviews showing a 4.0/5 rating, Albert Schaper endorses GPTZero for Writing & Translation use cases. Albert Schaper's background in artificial intelligence makes this assessment particularly valuable for educators seeking Writing & Translation solutions.
Pricing: $0 – $19.9 / month(Updated January 2026)
Free tier (limited), Pro $19.9/month, Lifetime $299 one-time, Enterprise contact for pricing. Annual discounts available.
Usage Model: API Calls, Pay-as-You-Go — ensuring you only pay for what you actually use.
With a free tier available, GPTZero enables educators to explore writing & translation features at no cost. The free plan covers essential functionality for individual users and small teams, making it ideal for testing and learning. Upgrading to paid tiers provides access to premium features, higher usage limits, and priority support for educators with more demanding writing & translation requirements.
GPTZero is a leading AI content detection and plagiarism tool that identifies AI-generated text from models like ChatGPT, GPT-4, Gemini, Claude, Llama, and GPT-5 with up to 99% accuracy on modern LLMs. It provides sentence-level analysis, plagiarism checks with source identification, writing feedback, grammar checks, video replay for authorship verification, and integrates with platforms like Canvas, Moodle, and Google Classroom. Features include deep scan technology using perplexity, burstiness, and advanced models like Model 3.7b, specialized tools for educators, businesses, legal, publishing, and HR; reliable mixed human-AI detection (96.5%); supports multiple languages (English, German, French, Spanish, Portuguese) and file formats (TXT, DOCX, PDF, images). Trusted by over 3500 schools, rated #1 in reliability by G2 in 2025, with interpretability via natural language explanations.
Understanding the core functionality and approach of GPTZero.
GPTZero meters activity so invoices mirror real adoption instead of seat assumptions. Experiments can scale without renegotiating budgets every quarter. Usage-based billing keeps costs aligned with real adoption.
Explore the powerful features that make GPTZero stand out.
GPTZero handles idiomatic expressions and cultural context for natural translations. Available across Web App, API, and Browser Extension for consistent adoption.
Runs on Web App, API, and Browser Extension so teams stay productive on their preferred devices. Available across Web App, API, and Browser Extension for consistent adoption.
The API lets teams extend workflows programmatically and connect existing apps with minimal friction.
Official SDKs handle authentication, retries, and error handling automatically.
GPTZero consolidates data to expose actionable insights quickly. Analytics and reporting surface the metrics needed to act quickly.
Discover how different audiences leverage GPTZero for their specific needs.
GPTZero helps businesses expand into new markets by localizing content quickly. Integrations with Plugin/Integration keep work connected.
Automate repetitive creative tasks so teams focus on high-impact work.
Analysts use GPTZero to assemble data, explore patterns, and publish findings faster. Analytics and reporting surface the metrics needed to act quickly.
Discover more AI tools in related categories, platforms, and use cases.
Deepen your understanding of the concepts behind tools like GPTZero with our expert guides.
Understand core concepts like LLMs and Machine Learning.
Master search, filtering, and comparison to find the perfect tool.
Learn to craft effective prompts to command AI models.
Integrate AI into your daily workflows ethically and effectively.
See how GPTZero stacks up against similar alternatives in the market.
Explore these popular alternatives to GPTZero for your specific needs.
Take your tool to the next level with Featured placements, Academy mentions with high-authority backlinks, 48h Fast‑Track listing, Newsletter features to thousands of AI practitioners, and exclusive Data/API access for growth insights.
Use this page as a starting point to evaluate GPTZero alongside similar options. Our directory focuses on practical details that matter for adoption—capabilities, pricing signals, integrations, and real audiences—so you can shortlist with confidence and move from exploration to evaluation faster.
For a structured head‑to‑head, try the comparison view: Compare AI tools. To stay current with launches, model updates, and research breakthroughs, visit AI News. New to the space? Sharpen your understanding with AI Fundamentals.
Before adopting any tool, model your total cost at expected usage, verify integration coverage and API quality, and review privacy, security, and compliance. A short pilot on a real workflow will reveal reliability and fit quickly. Bookmark this site to track updates to GPTZero and the broader ecosystem over time.
Found incorrect information or have concerns about GPTZero? Let us know.
Looking for alternatives to GPTZero or similar tools? Use our AI-powered chatbot to discover the perfect solution for your needs.