VibeGrade
AI-powered platform for fast and accurate grading and feedback on teacher materials and assignments (especially essays and written work)
What is VibeGrade?
VibeGrade is an AI grading and feedback tool that works directly within Google Classroom, Google Docs, and Canvas that teachers actually use.
Core Concept:
- AI analysis based on teacher-created rubrics (assessment criteria)
- One-click scoring and feedback tailored to teacher style
- Works directly in existing workspace (no uploads required)
Current Status: Y Combinator funded, rapidly expanding worldwide
Key Features & Benefits
๐ฏ AI Customization
Learn Teacher Grading Style
AI learns from teacher rubrics to provide personalized feedback matching the teacher's grading style
๐ Workflow Integration
Perfect Integration with Existing Tools
Works directly in Google Classroom, Canvas, and Google Docs. No separate uploads or site navigation needed
๐ Detailed Feedback
Sentence-by-Sentence Analysis
Includes sentence-level corrections, rubric-based scoring, plagiarism and AI-writing detection features
๐ Student Growth Tracking
Playback Analysis
Track student writing process, provide individual growth data, and generate class reports
โก Amazing Efficiency
90% Reduction in Grading Time
Verified with 12,000+ actual gradings, consistent results within 5% margin of error
๐ Security & Fairness
Data Encryption
Unbiased fair assessment, privacy compliance, AI serves as assistant role
Free vs Premium Plan Differences
| Feature | Free Plan | Premium Plan |
|---|---|---|
| Monthly Grading Limit | Up to 10 times | Unlimited |
| Detailed Rubrics | โ Included | โ Included |
| Basic Feedback | โ Included | โ Included |
| Plagiarism Detection | โ | โ |
| AI Writing Detection | โ | โ |
| Playback Feature | โ | โ |
| Advanced Reports | โ | โ |
| 24/7 Support | โ | โ |
Real Implementation Results
VibeGrade is not about AI replacing teachers, but rather an AI assistant that efficiently supports teachers in their core role.
Verified Results
- 12,000+ essays actually graded
- 500+ days of teacher work time savings proven
- 90% time reduction - 10x faster grading on average
- Within 5% margin of error for consistent results
Teacher Feedback
- "Dramatically reduces grading time, errors, and bias"
- "Improved quality and consistency of feedback"
- "Optimal AI tool for essay and project assignments"
- "Best reflects teacher work style"
Application Areas
- General/Special Education: Essay subjects like English, Social Studies, Science
- Improve learning design with individual growth data
- Enhance teacher-specific personalized feedback