The Best Free AI Essay Graders Online in 2026
An AI essay grader is only useful if it applies your rubric, gives feedback the student can act on, and does not run out of free credits after two essays. This is the current honest ranking.
1. Proctor AI
Grades typed and handwritten essays against your rubric with per-criterion feedback. Free plan, no card. Also grades every other subject in the same workflow.
2. EssayGrader.ai
Purpose-built typed-essay grader with rubric feedback. Reasonable free tier with per-essay limits.
3. Class Companion
Focused on iterative student-facing feedback on typed drafts. Free tier available.
4. Brisk Teaching
Docs-inline essay feedback via Chrome extension. Free tier.
5. ChatGPT with a rubric prompt
Fine for one essay, tedious for a class. No persistent rubric or per-student history.
6. Google Docs with Gemini
Similar to the ChatGPT approach. Works, does not scale to a class.
Frequently asked questions
What is the best free AI essay grader?
For rubric-based grading at class scale, Proctor AI. For single typed essays, EssayGrader is fast and focused.
Can an AI essay grader handle handwritten essays?
Yes. Proctor AI reads handwritten essays and grades them against your rubric.
Are these graders really free?
Proctor AI has a real free plan with no card. Most other tools have limited free tiers with per-essay caps.