Checkmate every paper
AI Grading Software for Teachers & TAs
Upload answer booklets, apply rubric-based AI grading, and review every score, up to 10x faster. Use standalone or inside Gradescope with our Chrome extension.
300+
Grading Hours Saved
10x
Faster Automated Grading

How It Works
From upload to final review in three steps. You stay in control the entire way.
Upload Papers
Drop your files and go
Upload answer booklets, question papers, and mark schemes as PDFs. Drag and drop or bulk upload. CheckMate handles the rest.
AI Analysis
Your rubric, applied consistently
CheckMate compares each response to your rubric, proposes a score, and shows its reasoning so you can review quickly.
Detailed Report
See where every mark went
Get score breakdowns, explanation trails, and feedback for each student. Everything you need to make a confident decision.
Why Educators Choose CheckMate
AI speed meets rubric-level consistency. Grade a full class in the time it used to take for a handful of papers.
Easy Upload
Upload answer booklets, exam papers, and mark schemes in minutes. Drag and drop PDFs to get started.
Rubric-Based Scoring
AI checks each answer against your rubric and explains why it assigned every mark. Consistent results across the whole class.
Detailed Reports
Get score breakdowns, rationale, and actionable feedback for each student so you can spot patterns at a glance.
Auto Rubric Generation
Generate draft rubric structures for faster setup when a marking guide is missing or incomplete.
Secure & Private
Encrypted uploads, protected outputs, and strict access controls. Your students' data stays safe.
Works Across Subjects
From maths problem sets to essay prompts. Adapt grading logic by subject and rubric style.
Choose Your Perfect Plan
Start with our free tier and upgrade when you're ready. No hidden fees, no surprises.
Free Tier
Perfect for getting started
Premium
For power users and institutions
Detailed Feature Comparison
See exactly what you get with each plan
Features
Free
Perfect for getting started
Premium
For power users
Ready to get started?
Join thousands of educators who are already using Checkmate to transform their grading process.
Frequently Asked Questions
Common questions about how CheckMate works directly from the Gradescope platform.
Ready to Transform
Your Grading?
Join thousands of educators who have already revolutionized their grading process with Checkmate. Start your free trial today and experience the future of education.
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