Skip to content

5 tools

The best AI grading & integrity tools

Grading at speed, and the harder question of what counts as a student's own work.

Our publisher also builds learning software, so we never rank by ad spend or our own interest. System-native tools are listed first; each is read through the Four Mismatches Test.

Fit, checked for one country at a time

ToolCurriculumLanguagePriceDevicePricing
GradescopeUnited States–✓✓✓—
TurnitinUnited States–?–✓—
GPTZeroUnited States–✓✓✓Freemium + API
CrowdmarkCanada–✓–✓—
CoGraderUnited States✓✓✓✓Freemium

Checked for a student in the United States, from each maker’s own facts: ✓ fits · ~ partly · ✕ doesn't fit · – no exam claimed · ? not verified · – bought by schools. How it’s worked out

The full field

United States

Gradescope

AI-assisted grouping and grading at scale

Fits on everything we could check
United States

Turnitin

Similarity and AI-writing checks

Fits on everything we could check
United States

GPTZero

Detector for AI-generated writing

Fits on everything we could check
United States

CoGrader

AI-assisted essay grading aligned to rubrics

System-native

Frequently asked questions

What is the best AI grading tool?
Gradescope for grading handwritten exams at scale, CoGrader for essay grading against a rubric; Turnitin and GPTZero handle the integrity side (similarity and AI-writing detection).