VibeGrade

VibeGrade is an AI-powered essay grading tool designed for teachers, delivered as a Chrome extension that works within Google Docs and supported learning platforms to streamline grading and feedback.

Key capabilities include:

• In-workflow grading: Grade essays directly inside Google Docs and supported LMS tools, reducing the need for file uploads or switching platforms.
• Rubric-based feedback: Generates grade estimates and structured feedback aligned to custom rubrics, including criterion-level explanations.
• Inline annotations: Provides real-time comments and highlights within student writing to point out strengths and areas for improvement.
• Academic integrity support: Includes tools for plagiarism checking, citation assistance, and AI writing detection (availability and providers may vary), along with features to help review student writing patterns.

Pricing: Freemium model with a free Chrome extension. Paid plans are $20/month and school plans that needs sales contact.

Notable for embedding grading directly into Google Docs and LMS tools via a browser extension, combining rubric-driven scoring with plagiarism checks, AI writing detection, and writing-process review in one place.