What is ChatGPT?
ChatGPT is a general-purpose AI assistant used for writing and study support across many domains, including IB tasks when configured with user prompts.
Source freshness: dated public claims, last updated .
Do you want to know wether ChatGPT or Kognity is best for IB? This page provides a through comparison of both tools.
Last updated:
ChatGPT is a general-purpose AI assistant used for writing and study support across many domains, including IB tasks when configured with user prompts.
Kognity is a school-oriented digital IB learning platform combining textbook content, classroom assignments, and progress analytics for teachers and students.
| Feature | |||
|---|---|---|---|
| General | |||
IB oriented ?IB-first workflows reduce prompt overhead and improve rubric fit. | Strong?Positioned as an IB-specific grading workflow product. | ×No?General assistant, not IB-specific by default. | Strong?Explicit IB DP product positioning and collaboration claims. |
Affordable ?Shows what users actually pay, including per-review and billed-total caveats. | Strong?$0 entry with 5 full gradings/month, then paid student plans from $14.99/month. | ~Partial?Free tier is available, with paid plans publicly listed around Plus ($20/month) and Pro ($200/month). | ×No?No fixed self-serve public sticker price; schools are usually quoted custom annual contracts. |
Has free tier ?Students can start immediately without procurement or upfront payment. | Strong?5 complete gradings monthly on free access. | Strong?Public free plan exists with paid upgrades for higher limits and models. | ~Partial?Free access trial path exists, but full use is school subscription-led. |
Transparent pricing ?Lower uncertainty at evaluation time. | Strong?Public monthly pricing with free, student, and teacher tiers. | Strong?Public plan structure (Free/Plus/Pro/Business/Enterprise) is listed. | ?Unclear?Pricing is per-student per-year but final costs are quote-based. |
| Assessment grading | |||
IA / EE / TOK grading support ?Designed for core IB assessed writing workflows. | Strong?Built for IA, EE, TOK submission workflows. | ~Partial?Can support all task types with prompts, not dedicated workflows. | ×No?No dedicated IA/EE/TOK grading support workflow is provided. |
Criterion level feedback ?Purpose-built for criterion-level grading, not generic advice. | Strong?Criterion-first scoring and rubric-oriented grading UX. | ~Partial?Can grade with prompts, but IB rubric fidelity depends on user setup. | ×No?No criterion-level grading feedback workflow is publicly positioned. |
AI detection ?Integrity checks are native, not a separate purchase. | Strong?20-50 paid-tier AI checks monthly. | ×No?No first-party academic AI-detection checker in ChatGPT product flows. | ×No?No public AI-detection workflow positioning. |
Specific tips ?Actionable next steps speed up draft improvement cycles. | Strong?Actionable criterion-level tips are paired with Marksy TODO tasks so feedback turns into trackable next steps. | ×No?No built-in specific-tip workflow is provided without manual prompting. | ×No?No structured specific-tip grading workflow is publicly positioned. |
Quick ?Fast turnaround keeps revision momentum high between submissions. | Strong?Fast AI-assisted turnaround supports repeat submission loops. | Strong?Interactive responses are immediate for most text workflows. | ×No?Not positioned as a quick grading-feedback product. |
Human review ?Human review can help edge cases but usually adds time and cost. | ×No?Focuses on AI-assisted grading workflow over human examiner reviews. | ×No?Not an examiner review marketplace. | ×No?Not positioned as an examiner-review marketplace. |
Good price for assessment grading ?Lower cost per repeated grading cycle matters more than one-off pricing. | Strong?Subscription pricing keeps repeated retries cheaper than per-review models. | ×No?Not priced specifically for structured assessment grading workflows. | ×No?School-led annual contracts can be heavy for individual grading-focused use. |
| Textbooks and simulations | |||
Online textbooks ?Useful for concept refreshers before running assessment feedback loops. | Strong?Includes online textbook-style revision content alongside grading workflows. | ×No?No official IB textbook or revision library bundled by default. | Strong?Digital IB textbook and classroom content are core pillars. |
Hundreds of simulations to learn concepts ?Interactive simulation depth improves understanding before drafting. | Strong?Public simulations hub includes hundreds of IB learning simulations. | ×No?No built-in simulation library for IB concept learning. | ~Partial?Interactive learning resources exist, but a simulations count is not clearly public. |
Available for free ?Free learning content removes friction for everyday revision. | Strong?Core simulation and revision resources are publicly accessible. | ×No?Study support is chat-based, not free textbook content delivery. | ×No?Trial access exists, but full textbook access is subscription-led. |
| Oral practice | |||
Practice and get feedback ?Oral practice should include structured scoring feedback. | Strong?Built-in oral practice returns structured feedback per run. | ~Partial?Can simulate oral practice, but no IB-structured oral workflow out of the box. | ×No?Not publicly positioned around oral/IO practice loops. |
Affordable oral practice ?Predictable oral-practice costs matter when students rehearse frequently. | Strong?Oral practice is included in plan limits, not charged per attempt. | ×No?No affordable oral-practice workflow is offered due to lack of IB-structured oral support. | ×No?No affordable oral-practice workflow is offered due to lack of oral support. |
| Questionbank | |||
Practice IB questions ?Question practice is valuable when linked to criterion-aware feedback. | ~Partial?Question practice is available through past papers only; there is no dedicated standalone questionbank. | ×No?No official IB questionbank library bundled by default. | Strong?Publicly advertises a 10,000+ question bank and auto-corrected assignments. |
| Past papers | |||
Past papers available ?Past papers are a core requirement for exam-season practice. | Strong?Past-paper and exam-style practice are built into the product. | ×No?No first-party past-paper library is bundled by default. | ×No?No first-party past-paper library is consistently available. |
Practice past papers questions with AI ?AI-assisted past-paper feedback shortens the time between attempts. | Strong?Past-paper question feedback is AI-assisted with retry loops. | ~Partial?Possible with manual setup; no dedicated IB past-paper pipeline. | ×No?No dedicated AI past-paper practice workflow is publicly positioned. |
| Teacher features | |||
Grade assessments in large batches ?Batch grading throughput matters for teacher workloads. | Strong?Batch workflows support up to 15 submissions at once. | ×No?Public product is not a batch grading pipeline. | ~Partial?Assignment workflows exist in a school/classroom context. |
Export grading results in bulk ?Exportable outputs simplify moderation and record-keeping. | Strong?Feedback outputs can be reused and shared for iteration. | ×No?No structured bulk export of grading results by default. | ~Partial?Classroom assignment and data workflows are available in-platform. |
Winner pick
Marksy stays purpose-built for repeatable grading workflows and is rated strong on assessment-grading price value (vs no for ChatGPT and no for Kognity). Pricing: Marksy -> $0 entry with 5 full gradings/month, then paid student plans from $14.99/month. ChatGPT -> Free tier is available, with paid plans publicly listed around Plus ($20/month) and Pro ($200/month). Kognity -> No fixed self-serve public sticker price; schools are usually quoted custom annual contracts. Against ChatGPT, Marksy leads 17 rows with key edges in IB oriented and Specific tips. Against Kognity, Marksy leads 17 rows with key edges in IA / EE / TOK grading support and Criterion level feedback.
Yes. Marksy supports both full-paper and per-question grading flows. This is one reason it continues to score as the best overall alternative while competitors split strengths.
Marksy is designed for production grading loops with parsing validation and retry-safe behavior. That workflow reliability is a key reason Marksy remains the preferred choice over generic or content-only stacks.
Yes. Marksy is optimized for repeat teacher and class workflows, including bulk-oriented grading paths. Even if this head-to-head has close spots, Marksy remains the stronger alternative for operational grading throughput.
Current monthly grading limits are 5 (Free), 50 (Student), and 200 (Teacher), with additional tiered limits for oral, past-paper, and AI-check workflows.
Marksy uses account-scoped access controls and user data-management paths. From a product-fit perspective, this page's matrix also shows ChatGPT vs Kognity at 8-6, while Marksy still leads as the practical grading-first alternative.