AI Essay Grader for IB Students
Criterion-by-Criterion Feedback in 60 Seconds
Paste your TOK essay, History IA, or English A Paper 2 response. Get instant feedback against the official IB marking criteria — not grammar checks, not generic writing tips. The same rubric your examiner uses.
Grade my essay free →Three IB assessments — one tool
TOK Essay
Graded on the 5-criterion IB rubric (A through E): KQ understanding, argumentation, perspectives, RLS quality, and structure. Scaled to the 10-mark final mark.
History IA
Graded on the full 25-mark rubric: Section A source evaluation (OPCVL, 6 marks), Section B investigation (15 marks), Section C reflection (4 marks).
English A Paper 2
Graded on the comparative essay rubric: understanding of texts, analysis of literary features, organisation, and language. Covers HL (2 texts) and SL (1 text).
From draft to feedback in 60 seconds
Paste your essay
Copy your draft directly into the text box. No formatting required — plain text works perfectly.
Select your assessment
Choose TOK Essay, History IA, or English A Paper 2. Select your level (HL or SL where applicable).
Get criterion-by-criterion feedback
Receive: overall predicted mark, score per criterion with band descriptor, and 3 specific improvements ranked by mark impact.
How many essays can you grade?
| Plan | Essay grades / week | IA Writing Assistant | Price |
|---|---|---|---|
| Starter (free) | 1 per week | Not included | ₹0 |
| Pro | 5 per week | Not included | ₹699/month |
| Elite | Unlimited | ✓ Included | ₹1,299/month |
Usage resets every ISO Monday. A full IB year typically involves 3–4 drafts of each IA — the Pro plan covers the full revision cycle comfortably.
How this compares to paying a tutor
| Method | Cost per essay session | Rubric-aligned? | Turnaround | Available at 2 AM? |
|---|---|---|---|---|
| IB tutor (average India) | ₹1,200–₹2,500/hr | Depends on tutor | Days | No |
| School teacher | Free (if available) | Usually yes | Days to weeks | No |
| Generic AI (ChatGPT) | Free–₹1,600/mo | No — not rubric-aware | Instant | Yes |
| Horizon AI Essay Grader | ₹0–₹130/essay (Pro) | Yes — IB rubric | 60 seconds | Yes |
Grade your first essay free — no card needed
One free essay grade per week on the Starter plan. Upgrade to Pro for 5/week, or Elite for unlimited + IA writing assistant.
Start free →