How It WorksSee a DemoWhy VivaFor TeachersFor StudentsFAQRequest Access →
Now in early access · Trusted by 1,200+ educators

Proof that students
genuinely understand
their work

Viva conducts personalized AI voice interviews after assignment submission — verifying real understanding in minutes. Teachers get structured reports. Students get meaningful feedback.

SC
DR
JL
MK
AT

120+ teachers on the waitlist from 40+ schools

vivacheck.org — Teacher Dashboard
14 / 20 free interviews used
Climate Change Essay — 24 students
AS
Ayesha S.
9.1 / 10
MK
Marcus K.
7.4 / 10
JL
Jamie L.
⚑ Review
TR
Tara R.
8.6 / 10
Live Interview — Ayesha S.

"You argued that renewable energy subsidies create economic inequality — can you walk me through your reasoning?"

Viva
What specific evidence did you draw from?
Student
I referenced the IEA report on subsidy distribution...
scroll
Trusted by educators worldwide
50+Schools
1,200+Teachers
18,000+Interviews
12+Countries
The problem

Assignments no longer
prove understanding

AI-generated work, ghostwriting, and surface-level engagement have made traditional assignment submissions an unreliable signal of what students actually know.

01
Teachers can't verify genuine authorship
AI detectors are unreliable and accusatory. There's no fair, structured way to determine if a student truly engaged with their own work.
02
Students miss the actual learning moment
When students submit work they don't understand, they lose the opportunity to genuinely learn. Viva creates accountability that motivates real engagement.
03
Academic credentials are losing their signal
If anyone can submit polished work without demonstrating understanding, grades become noise. Schools need a trusted, verifiable proof layer.
How it works

Simple for everyone.
Rigorous where it matters.

Four steps that add a meaningful layer of verification to any assignment — without disrupting existing workflows.

01
📄
Student submits their work
Text, PDF, or document upload — just like any normal submission. No change to existing habits.
02
🤖
Viva reads and prepares
Claude AI analyzes the specific submission and generates a personalized question bank tied to this student's exact arguments and word choices.
03
🎙️
A calm 5–10 min conversation
Viva's voice AI conducts a natural conversation. No trick questions. If the student understands their work, it flows easily.
04
📊
Structured reports + credentials
Teachers get understanding scores, key moments, and transcripts. Students get growth-focused feedback and a portable Viva Card credential.
Why Viva

A fundamentally different approach

Traditional tools detect. Viva understands. There's a meaningful difference.

AI Detectors
(Turnitin, GPTZero)
Plagiarism
Checkers
Viva
Recommended
Verifies genuine understanding
Proves the student comprehends their own work
Personalized to each submission
Questions based on this student's specific work
Constructive student feedback
Helps students grow, not just flags issues
No false accusations
Evidence-based rather than probabilistic flags
Partial
Partial
Detects AI-written work
Can identify when student didn't write their submission
Sometimes
Portable credential for students
Verified proof-of-understanding they can share
Multilingual support
Conducts interviews in student's language
Limited
Limited
For teachers

Grading confidence
you've never had before

Know exactly how deeply each student understands their work. Not an accusation — a conversation. Not surveillance — insight.

  • Questions generated from each student's actual arguments — not generic quizzes
  • Understanding and authenticity scored separately — configure the weight for each assignment
  • Key moment timeline — see exactly where a student hesitated, excelled, or was probed further
  • Full searchable transcript with AI summary — no listening to recordings required
  • Add up to 3 custom questions you want Viva to specifically ask every student
Viva
Ms. Chen · International School
28
Interviews this week
8.1
Avg. understanding
3
Flagged for review
Student
Status
Understand.
Authentic.
Flag
Ayesha S.
Done
9.1
8.8
Marcus K.
Done
7.4
7.9
Jamie L.
Done
4.2
3.1
Tara R.
In progress
Sam W.
Pending
Interactive demo

See exactly what happens
step by step

Walk through the teacher and student experience — click each step to explore.

1
Create assignment
Set subject, grade, and configure interview weights
2
Students submit and interview
Viva automatically schedules and conducts interviews
3
Review results dashboard
See all students, scores, and flagged cases
4
Deep dive — individual report
Full transcript, key moments, grade recommendation
Create Assignment
Assignment title
Climate Change and Economic Policy Essay
Subject
Environmental Science
Grade level
Grade 11
Interview mode weights
Understanding6 / 10
Authenticity4 / 10
"Students will be tested 60% on understanding and 40% on genuine authorship"
Save Draft
Publish
1
Submit assignment
Upload or type work, get interview scheduled
2
Pre-interview briefing
Calm prep screen, microphone check, practice option
3
Live interview with Viva
5–10 min natural conversation about your work
4
Feedback + Viva Card
Strengths, growth areas, and portable credential
Submit Assignment
Climate Change and Economic Policy Essay
Word count: 847 / 1000
📎
Or upload PDF / DOCX
Browse
Submit & Schedule Interview
For students

A conversation,
not an interrogation

Viva is designed to feel safe, calm, and fair. If you engaged genuinely with your work, you'll do great. And you'll learn something about how well you really understand it.

🛡️
Practice before the real thing
Try a full practice interview first — no scores shared with your teacher. Just get comfortable with the format.
A
Practice Interview
Ready when you are · ~8 min
Natural conversation style
Questions based on your essay
No trick questions, no time pressure
🎙️
Calm, private conversation
Full-screen, dark, distraction-free. Just you and Viva talking about your work.
Viva is listening...
"You mentioned urban heat islands disproportionately affect lower-income areas — can you walk me through the mechanism you described?"
Meaningful feedback, not just a score
See exactly what you demonstrated well — and what's worth revisiting.
What you showed
💪
Strong command of the economic evidence in Section 2
🔗
You connected examples in ways showing real comprehension
Keep growing
📖
Consider revisiting the policy implications — your explanation was brief
The Viva Card

A credential that
actually means something

Every completed interview generates a Viva Card — a cryptographically verified proof that this student demonstrated genuine understanding of this work, on this date.

  • Shareable link — publicly verifiable at viva.so/card/[id]
  • Cryptographic hash ensures the document hasn't been tampered with
  • Builds into a portable Viva Profile — from school to university to career
  • Students choose what to make public — privacy first, always
Verified by Viva
Ayesha S.
Grade 11 · Verified Student · May 2026
Subject
Environmental Science
Assignment
Climate Change Essay
Understanding Score
9.1 / 10
"Demonstrated nuanced understanding of climate policy trade-offs, connecting economic theory to environmental data with confidence and specificity."
Early feedback

From teachers and students
who tried Viva

★★★★★
For the first time, I feel confident that the grade I give reflects what a student actually knows. The key moment timeline is extraordinary.
SC
Sarah C.
AP English Teacher
★★★★★
I was nervous before my practice interview but Viva was genuinely calm and curious. By the real interview I actually wanted to talk about my essay.
MK
Marcus K.
Grade 11 Student
★★★★★
As a department head, I needed something defensible. Viva gives me a paper trail of actual understanding — not just a plagiarism percentage.
DR
Dr. Ramesh P.
Humanities Department Head
★★★★★
The Viva Card is what sold me. My students will have something to show for their effort that actually means something when they apply to university.
JL
Jamie L.
IB Coordinator
★★★★☆
The questions were perfectly tailored to what I actually wrote. It wasn't a generic quiz — Viva clearly read my paper thoroughly.
AS
Ayesha S.
Grade 12 Student
★★★★★
Our academic integrity situation was getting difficult to manage. Viva replaced anxiety-inducing detection tools with something genuinely constructive.
MT
Mark T.
Vice Principal
★★★★★
For the first time, I feel confident that the grade I give reflects what a student actually knows. The key moment timeline is extraordinary.
SC
Sarah C.
AP English Teacher
★★★★★
I was nervous before my practice interview but Viva was genuinely calm and curious. By the real interview I actually wanted to talk about my essay.
MK
Marcus K.
Grade 11 Student
★★★★★
As a department head, I needed something defensible. Viva gives me a paper trail of actual understanding — not just a plagiarism percentage.
DR
Dr. Ramesh P.
Humanities Department Head
★★★★★
The Viva Card is what sold me. My students will have something to show for their effort that actually means something when they apply to university.
JL
Jamie L.
IB Coordinator
★★★★☆
The questions were perfectly tailored to what I actually wrote. It wasn't a generic quiz — Viva clearly read my paper thoroughly.
AS
Ayesha S.
Grade 12 Student
★★★★★
Our academic integrity situation was getting difficult to manage. Viva replaced anxiety-inducing detection tools with something genuinely constructive.
MT
Mark T.
Vice Principal
Get access

Let's talk about
your school's needs

Viva is built for schools and institutions. Pricing is tailored to your context — tell us about your school and we'll get back to you within 24 hours.

Free Pilot
Perfect for trying Viva with one class. No commitment, no credit card required.
20 student interviews per month
1 teacher account
Basic reports and transcripts
English, Korean, Spanish + more
Enterprise / District
Multi-school rollout with SSO, dedicated support, custom model tuning, and volume pricing.
Multi-school deployment
SSO + district LMS integration
Dedicated onboarding and support
All languages + custom language tuning
Request access
Tell us about your school and we'll reach out within 24 hours.
No credit card required · We'll respond within 24 hours · Free pilot available
FAQ

Common questions

Viva is designed to be warm and conversational, not interrogation-style. It includes a calm briefing, optional practice round, and an opening warmup question. Nervousness is factored into assessment. The goal is a genuine conversation, not a high-stakes test.
This is a teacher-configurable setting. Most teachers allow students to reference their submitted work, since the goal is to verify understanding of what they wrote — not test memory. Teachers can also allow or disallow notes in the assignment settings.
Viva currently supports English and Korean, with Spanish coming soon. Interview language is set per assignment. Students can interview in a different language than they submitted in — useful for bilingual schools.
We are FERPA compliant and take student data seriously. Voice recordings are processed in real-time and not stored permanently. Transcripts are stored encrypted and only accessible to the teacher and student. Schools can opt out of anonymized training data collection at any time.
Viva never replaces teacher judgment. Viva provides an understanding score and grade recommendation, but the teacher always makes the final grading decision. Think of Viva as giving you structured evidence to grade with more confidence — not an automated grade machine.
Viva works for any written assignment in any subject from Grade 6 through university. It's been tested across humanities, sciences, social studies, and language arts. The AI question generation adapts to the subject and grade level automatically.
Teachers can set the interview duration to 5, 8, or 10 minutes, or let Viva adapt based on how the conversation goes. Most interviews complete within 6–8 minutes. Students complete interviews on their own time within a 48-hour window after submission.
The Viva Card is a shareable PDF credential showing the student's verified understanding score, subject, and a one-sentence AI summary. It's student-facing and student-controlled — they decide whether to make it public or private. It's designed to be added to university applications or professional profiles.
Get started

Ready to know what your
students truly understand?

Join 120+ teachers turning assessment from a guessing game into a real conversation. Start with a free pilot — no credit card, no commitment.

No credit card required · Free pilot · Respond within 24 hours