Many markers weigh in.
You make the call.

Veristone is the family of AI tools that examine, grade, and review academic work. Each one weighs many independent markers into a single, defensible verdict — one whose reasoning you can see, and overrule.

Each tool is free to try — no card required.

The three Veristone tools

Each is sold on its own and works on its own. Together, under Veristone, they share a name you can trust and the same committee-of-markers engine.

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Oral & written exams

Vivoce

Runs adaptive viva voce examinations from your questions and rubric — spoken or typed — then grades every transcript with a committee of AI markers.

Visit Vivoce vivoce.ai
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Written assessment

DuoGrade

Marks essays, reports, and submissions against your rubric with a panel of AI graders — and flags every disagreement for a human to settle.

Visit DuoGrade duograde.com
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Peer review

Refereely

Turns a manuscript into structured referee reports from a council of models — a rigorous first pass before it reaches human reviewers.

Visit Refereely refereely.com

How every verdict is reached

A touchstone is the stone once used to test what's genuine. Veristone applies one such test — a committee of independent markers, answerable to you — whether the work is a viva, an essay, or a manuscript.

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Committee grading

Several AI markers judge independently; their agreement is measured and any disagreement is flagged for a human.

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Reasoning you can see

Every verdict comes with its working — per-criterion notes, not a single unexplained number.

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You hold the final say

Nothing reaches a student or author until you approve it. Every decision carries an audit trail built for appeals.

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Per-person links

Upload an Excel roster and hand each person a unique, unguessable link. Results key back automatically.

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Excel & LMS export

Download grades and reports, or push them straight to your LMS — the same shape in every tool.

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Privacy-first

Consent up front, encryption at rest, and retention limits — built for student data and the rules that govern it.

Put a panel behind every judgment.

Explore the tools