Gradescope
AI-assisted grouping and grading at scale
We publish a full Four-Mismatches fit assessment for the student-facing exam tools first. For this one, the facts below are what we have verified — run the Four Mismatches Test on it yourself for your own students.
Independence: Addestra builds learning products too (MathsTutor, TinkerWell). We never review or score our own, and no tool pays to be listed or to rank higher — how we assess fit.
What it does
What the AI actually does — ML clusters near-identical answers so a grader scores a group once and the mark propagates; handwriting recognition auto-grades scanned pages.
Why it was built — Cut the time and grading inconsistency of marking handwritten exams and problem sets at scale.
Who built it
- Company
- Gradescope (Turnitin)
- Founders
- Arjun Singh · Sergey Karayev · Ibrahim Awwal · Pieter Abbeel
- HQ / origin
- Berkeley, California, USA
- Founded
- 2014
- Model
- B2B / B2G
- Ownership
- Owned by Turnitin (acquired 2018), in turn Advance Publications
- Languages
- English
We record durable facts only — no funding-raised or user-count figures. Unverified fields are marked [TBD] rather than guessed.
Where it sits
Gradescope is on the EdTech AI 100 map, in assessment & academic integrity, built in United States.
Related & alternatives
- TurnitinSimilarity and AI-writing checks
- CrowdmarkOnline collaborative grading
- CoGraderAI-assisted essay grading aligned to rubrics