Class Companion vs Koji by Brilliant (2026)
A side-by-side comparison of Class Companion and Koji by Brilliant on pricing, features, and fit, so you can decide which is right for you.
Quick answer
Class Companion and Koji by Brilliant are both strong choices, but they fit different needs. Choose Class Companion if you mainly need k-12 english teachers assigning essay prompts who want students to receive instant revision feedback without waiting for manual grading — its edge is saves teachers significant grading time by automating rubric-based feedback and syncing grades directly to popular lms platforms. Choose Koji by Brilliant if you need students supplementing school learning with personalized tutoring support — its edge is combines structured course content with flexible ai-driven conversation. Class Companion starts at Custom pricing for school-level plans (contact sales); Koji by Brilliant starts at $13.99/month (billed annually) for full Brilliant Premium access.
Features compared
- Rubric-based AI feedback that gives students instant, personalized guidance tied to teacher-created grading criteria
- One-on-one AI tutoring that helps students revise drafts before final submission
- Automatic roster and grade sync with Canvas, Schoology, and Google Classroom
- Teacher dashboard for monitoring student progress, assignment status, and overall class performance
- Conversational AI tutoring that answers subject-specific questions in real time
- Adaptive explanations that adjust to your current knowledge level
- Deep integration with Brilliant course content across math, science, and CS
- Step-by-step problem-solving guidance to build genuine understanding
Pros & cons
- Saves teachers significant grading time by automating rubric-based feedback and syncing grades directly to popular LMS platforms
- Students receive immediate, specific feedback that encourages revision and deeper learning rather than a single end-of-process grade
- Free tier is genuinely functional for individual teachers, lowering the barrier to adoption without requiring a school budget
- School and district pricing is not publicly listed, making it difficult for administrators to evaluate costs without contacting sales
- The platform is strongest for written assignments, so teachers in heavily math or lab-based subjects may find fewer applicable use cases
- Combines structured course content with flexible AI-driven conversation
- Adapts to individual learner needs rather than delivering one-size-fits-all answers
- Backed by Brilliant's reputation for rigorous, visually engaging STEM education
- Full access to Koji and all courses requires a paid Brilliant subscription
- Content focus is primarily STEM, limiting usefulness for humanities or language learners
The verdict
Choose Class Companion if
you mainly need to k-12 english teachers assigning essay prompts who want students to receive instant revision feedback without waiting for manual grading. Its edge: saves teachers significant grading time by automating rubric-based feedback and syncing grades directly to popular lms platforms.
Choose Koji by Brilliant if
you mainly need to students supplementing school learning with personalized tutoring support. Its edge: combines structured course content with flexible ai-driven conversation.
Frequently asked questions
Is Class Companion better than Koji by Brilliant?
Neither is universally better. Class Companion is stronger for k-12 english teachers assigning essay prompts who want students to receive instant revision feedback without waiting for manual grading, with an edge in saves teachers significant grading time by automating rubric-based feedback and syncing grades directly to popular lms platforms. Koji by Brilliant is stronger for students supplementing school learning with personalized tutoring support, with an edge in combines structured course content with flexible ai-driven conversation. Pick based on your main task.
Which is cheaper, Class Companion or Koji by Brilliant?
Class Companion starts at Custom pricing for school-level plans (contact sales) and Koji by Brilliant starts at $13.99/month (billed annually) for full Brilliant Premium access. Free tier: Class Companion — Free for individual teachers with core tutoring, feedback, and grading features included; Koji by Brilliant — Limited free access to Brilliant courses and basic Koji interactions.
What is Class Companion best for?
Class Companion is best for k-12 english teachers assigning essay prompts who want students to receive instant revision feedback without waiting for manual grading, social studies teachers using document-based questions who need scalable written response feedback across large class sections, school administrators rolling out personalized learning initiatives across multiple classrooms while keeping grade data centralized in existing lms platforms.
What is Koji by Brilliant best for?
Koji by Brilliant is best for students supplementing school learning with personalized tutoring support, adults learning data science, programming, or math for career advancement, curious lifelong learners exploring scientific concepts at their own pace.
Do Class Companion and Koji by Brilliant have free plans?
Class Companion: Free for individual teachers with core tutoring, feedback, and grading features included. Koji by Brilliant: Limited free access to Brilliant courses and basic Koji interactions. Check each tool's pricing page for current limits, as plans change.