IB TOK Grader
Upload your TOK essay or exhibition. Get a mark out of 10, comments tied to your writing, and a list of what to fix first.
5 free gradings a month. No card. Private to you.
- of marks within one grade of the IB's final mark
- 92%
- marking score. ChatGPT 65, Claude 61, Gemini 57
- 74/100
- real IAs and TOK essays tested against the mark the IB gave
- 1,317
Essay or exhibition?
Both are marked as a whole, out of 10.
How TOK is marked
- TOK essayUp to 1,600 words on one of the six prescribed titles for your session. An IB examiner marks it out of 10. An essay that doesn't answer a prescribed title scores 0.
- TOK exhibitionThree objects and a commentary of up to 950 words, linked to one of the 35 IA prompts. Your teacher marks it out of 10 and the IB checks a sample.
- One mark for the whole pieceThere are no separate criteria. The whole essay or exhibition is judged against one set of level descriptors.
What you get back
Marksy reads the draft you upload and marks it against the IB criteria for your subject.
- A mark for each criterionSee which criterion is holding your mark back.
- Comments on your sentencesEach comment points at the passage it is about.
- What to fix firstA short list of edits in order of how much they matter.
- Your work stays yoursPrivate to you and never used to train AI.
Questions before you upload
Read the safety answersYes. Pick TOK Essay or TOK Exhibition above. Each is marked out of 10 against its own IB assessment instrument.
Yes. Marksy checks that the essay stays on the exact title you chose. An essay that drifts from its title can't score well.
Yes. A free Marksy account includes 5 gradings a month. You don't need a card.
Yes. An early draft shows which criterion is weakest before you spend hours polishing the wrong section. Grade it again after you revise.
No. Marksy comments on the draft you upload and suggests what to revise. The writing and the changes stay yours.
Yes. Your file is private to your account, is never used to train AI, and can be deleted whenever you want.
We tested Marksy on 1,317 real IAs and TOK essays with the mark the IB gave them. 92% of Marksy's marks landed within one grade. On a set with as many weak as strong essays, it scored 74/100 on our marking score, against 65 for ChatGPT, 61 for Claude and 57 for Gemini. Every number, and how we tested, is on the grading accuracy page.
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