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Ratings and Reviews 73 Ratings

What is GPTZero?

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.

What is CoGrader?

CoGrader is the leading AI grader for handwritten work, essays, and other written assignments, and the only AI grading platform backed by research funded by the U.S. Department of Education's Institute of Education Sciences (IES). Scan handwritten pages or import assignments from Google Classroom, Canvas, Schoology, Eduphoria, and many other platforms, pick your rubric, and get suggested scores and detailed feedback for every student in minutes. Teachers stay in control: every grade and comment is reviewed and approved before it reaches students. For schools and districts, CoGrader adds AI plagiarism detection, bulk user management, district analytics, and training. SOC 2 Type I certified and FERPA compliant.

Media

Media

Integrations Supported

Canvas
Google Classroom
Avoid.so
Blocksi
BypassGPT
Claude
Claude Duet
Claude for Legal
ElectroNeek
GPT-3
GPT-4
Gemini
Google Docs
Humanio
Llama 4 Maverick
Perplexity
Phrasly
Rephrasy
ShadowGPT

Integrations Supported

Canvas
Google Classroom
Schoology Learning

API Availability

Has API

API Availability

Has API

Pricing Information

$12.99/month
Free Version

Pricing Information

$0
**Starter** — Free
- 100 submissions/month
- Build & share rubrics
- FERPA compliance
- 14-day premium trial

**Standard** — $15/month (billed annually)
- 350 submissions/month
- Google Classroom integration
- Handwritten assignments
- Grammar checking
- Class performance dashboard

**Schools & Districts** — Custom quote
- Unlimited submissions
- Canvas & Schoology integration
- AI plagiarism detection
- Bulk user management
- Institution-wide analytics
- Priority support

**Higher Ed & Enterprise** — Custom quote
- API access
- Dedicated account manager
- Custom integrations & SLAs
Free Version
Free Trial Offered?

Supported Platforms

SaaS

Supported Platforms

SaaS
Chromebook

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub
Online Training

Company Facts

Organization Name

Superhuman

Company Location

United States

Company Website

gptzero.me/

Company Facts

Organization Name

CoGrader

Date Founded

2023

Company Location

United States

Company Website

cograder.com

Categories and Features

AI Content Detection

Not specified

AI Tools

Not specified

ChatGPT Apps

Not specified

Categories and Features

AI Education

CoGrader stands out as the sole AI grading solution supported by research funded by the Institute of Education Sciences (IES) under the U.S. Department of Education. This innovative platform utilizes your grading rubric to assess essays and handwritten submissions, generating feedback that aligns with your criteria and highlighting learning disparities at the class level, while ensuring that all grades receive teacher approval. It adheres to FERPA regulations and holds a SOC 2 Type I certification.

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AI Grading Tools for Teachers

CoGrader serves as an AI grading assistant tailored for educators and academic institutions. It evaluates essays and written tasks based on your established criteria, generates personalized feedback for each student, and allows you to assess and confirm every grade prior to distribution. Educators can reduce their grading time by as much as 80%. Compatible with platforms such as Google Classroom, Canvas, and Schoology.

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AI Tools

CoGrader is an intelligent grading assistant designed for educators and educational institutions. It evaluates essays and written tasks based on a customized rubric provided by the teacher, generating tailored feedback for each student. The teacher retains full control, reviewing and finalizing each grade. This innovative tool can reduce grading time by as much as 80%.

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AI Tools for Teachers

CoGrader serves as an AI-powered grading assistant for educators. It alleviates the most labor-intensive aspect of teaching—evaluating written assignments—by assessing essays according to your specified rubric and generating feedback for your review. This innovative tool can help you reduce grading time by as much as 80%, identify learning gaps through comprehensive class dashboards, and maintain complete authority over each grade awarded.

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Education

Not specified

Gradebook

CoGrader functions as an AI-based grading assistant rather than a comprehensive gradebook. It integrates seamlessly with the Learning Management Systems (LMS) you currently utilize, such as Google Classroom, Canvas, or Schoology. By streamlining the most time-consuming aspect of grading—evaluating written assignments and providing feedback—CoGrader enables educators to assess essays using their personalized rubrics in a matter of minutes, while still having the final say on each grade assigned.

Class Summary
Individualized Assessments
Progress Reports
Teacher Dashboard

K-12

CoGrader is an innovative AI grading solution designed specifically for K-12 educators, schools, and districts, and it stands out as the premier platform for evaluating handwritten student submissions. With CoGrader, you can assess essays and written tasks based on your established rubric, provide individualized feedback to each student, and significantly reduce grading time by as much as 80%. This tool is supported by research sponsored by the U.S. Department of Education's Institute of Education Sciences (IES) and adheres to FERPA regulations while holding SOC 2 Type I certification.

Progress Reports

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