Updated 2026-06-05
Best Free AI Grading Tools
"Free" often means a 7-day trial. These picks stay usable on the free plan and don't require a credit card up front.
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How we picked
- -Monthly assignment quota on the free tier
- -No credit card required
- -No forced upsell in the student feedback
- -Clear data-retention policy on the free plan
The shortlist
1. CoGrader Free
FreeBest for Google Classroom teachers
Most generous free quota in our tests.
2. Brisk Teaching Free
FreeBest for Chrome-based workflows
Free extension with useful feedback drafting.
3. MagicSchool
FreeBest for Rubric drafting and short answers
Free tier fits a single teacher; limits on long-form.
Frequently asked
- Are free tools safe to use with student names?
- Only if the vendor has a DPA and lets you disable training on student work. When in doubt, anonymize submissions first.