Cognii vs Khanmigo
A detailed comparison to help you choose between Cognii and Khanmigo.
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Verdict: Khanmigo wins
Khanmigo scores 4.2/5, edging out Cognii at 3.4/5. US K-12 students, families and teachers who want curriculum-aware tutoring that teaches rather than answers.
Cognii AI tutoring that adapts to each student's learning pace | Khanmigo AI tutor by Khan Academy | |
|---|---|---|
| Rating | 3.4 (1 review) | 4.2 (1 review) |
| Pricing Model | paid | paid |
| Starting Price | From $200/mo | From $4/mo |
| Best For | K-12 districts, universities, and curriculum providers who want automated assessment of written open responses with conversational coaching, bought as an institutional partnership. | US K-12 students, families and teachers who want curriculum-aware tutoring that teaches rather than answers. |
| Free Tier | ||
| API Access | ||
| Team Features | ||
| Open Source | ||
| Tags | team features | — |
| Visit Cognii → | Visit Khanmigo → |
Cognii
Pros
- + Open-response assessment pinpointed the specific missing concept in fluent-but-wrong answers in my demonstration, not just an overall score
- + Revision loop adapted across attempts — after I added the missing idea, difficulty advanced instead of the prompt replaying
- + Scores ideas rather than writing style: feedback distinguishes conceptual gaps from expression, unlike conventional essay-scoring software
- + Documented university partnerships (Colorado State 2016, Cal State East Bay 2017, Florida International 2019) show the approach working in real courses
- + Coverage across grades 3–12, higher ed, and corporate training with Common Core and NGSS alignment, plus Canvas and Blackboard integration
Cons
- - No free tier, no self-serve trial, and no published pricing — every path runs through institutional partnership
- - I could not independently reproduce the vendor's 96-percent human-accuracy claim; the underlying study is not published in detail
- - Conversational engine uses the company's own NLP rather than current generative models, so dialogue is disciplined but less flexible than frontier-model tutors
- - Public ecosystem is thin: little recent independent reviewing, no public roadmap, and third-party pricing figures contradict each other
- - LMS integration depth (rostering, grade passback, LTI specifics) is vendor-asserted and unverified in my testing
Khanmigo
Pros
- + Holds the no-answers line: in my session it declined to give answers and stayed Socratic across repeated prompts
- + Free for teachers at time of writing, with lesson planning, rubrics and student-work summaries included
- + Learner plan is $4/month or $44/year at time of writing, with a family variant adding child accounts and moderation alerts
- + Writing coach debates and probes evidence rather than rewriting student work
- + Voice input and read-aloud make it usable for younger students and accessibility needs
Cons
- - Self-serve access requires a US billing address; under-18s must join through a parent account
- - Curriculum alignment is US-centric (Common Core, AP, SAT); other national syllabi get a general tutor
- - Deliberately slow versus answer engines; students seeking quick homework answers will quit
- - Advanced undergraduate-level depth was uneven in my testing
- - No published learner free tier for the tutor itself; district pricing is quote-only
Frequently Asked Questions
Which is better, Cognii or Khanmigo?▼
Khanmigo scores higher at 4.2/5 vs 3.4/5 for Cognii, making it the better-rated option in our comparison.
What is the difference between Cognii and Khanmigo?▼
Cognii: Cognii provides AI-powered tutoring for STEM subjects with natural language processing that understands student responses and adjusts difficulty in real-time. Khanmigo: Khanmigo is Khan Academy's AI tutor and teaching assistant. It guides students to answers instead of giving them away, and helps teachers plan lessons, create quizzes and track progress.
Is Cognii or Khanmigo more affordable?▼
Cognii starts at €200/mo, Khanmigo starts at €4/mo. Check the comparison table above for current pricing.
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