GradeOrbit vs ReMarkAble AI
Flat monthly plans against per-script credits.
Information about ReMarkAble AI checked 19 October 2026
In short
ReMarkAble’s flat plans suit a teacher marking lots of short pieces. Its uploads stop at five pages, so a full mock needs several uploads, where GradeOrbit takes it as one script.
About ReMarkAble AI
ReMarkAble AI is a UK AI marking tool for KS1 to A-level, with free, individual, class and school plans. Teachers photograph handwritten or typed work.
What one script costs
One student’s script at four lengths, from a short quiz to a long mock booklet.
| Tool | 2 pages | 6 pages | 24 pages | 40 pages |
|---|---|---|---|---|
| GradeOrbit | 13.9p–16.7p | 13.9p–16.7p | 13.9p–16.7p | 13.9p–16.7p |
| ReMarkAble AI | Flat plan | Over the 5-page limit | Over the 5-page limit | Over the 5-page limit |
GradeOrbit
Individual plans from £5 to £25 a month, for 30 to 180 credits. 1 credit marks one student’s script, whatever its length. Schools pay £10 per teacher a month, billed annually, with unlimited marking and AI detection on every seat.
1 credit per script costs 13.9p–16.7p on a monthly plan used in full, or 20p if you go over your allowance. School seats have no per-script charge.
ReMarkAble AI
Free for 3 assessments every 30 days, £9.99 a month for unlimited assessments, £24.98 a month for a class of up to 30 pupils, and schools from £120 a month for up to 120 pupils.
Paid plans are flat fees, so there is no per-script price. Uploads are JPG, PNG or WebP images, up to five pages.
Published accuracy
Studies differ in subject, exam board, sample size and who ran them, so read the figures side by side rather than as a ranking.
GradeOrbit
- GCSE Maths (Pearson Edexcel): 96% of marks within 1 mark of the senior examiner, agreement score (QWK) 0.92, across 69 marks.
- GCSE English (Eduqas): 83% of marks within 1 mark of the senior examiner, agreement score (QWK) 0.96, across 98 marks.
Measured 18 October 2026 on exam board exemplar scripts. We ran the study ourselves; the method and limits are on our accuracy page.
ReMarkAble AI
We found no accuracy figures on ReMarkAble’s homepage or pricing page. A linked article says it was tested against AQA, Edexcel and OCR mark schemes.
Side by side
| GradeOrbit | ReMarkAble AI | |
|---|---|---|
| How you pay | Yes: Per script: 1 credit, any length | Yes: Flat monthly plans |
| Pages per script | Yes: Up to 50 on individual accounts; no limit for schools | No: Up to 5 pages per upload |
| Subjects | Yes: Any subject, KS3 to A-level and BTEC | Partly: KS1 to A-level; named English, humanities and social science subjects |
| Handwritten scripts | Yes: Scanned or photographed whole scripts | Yes: Photos of handwritten or typed work |
| Mark schemes | Yes: Ready-made GCSE mark schemes, or your own criteria | Yes: Says it fetches AQA, Edexcel, OCR, Eduqas, WJEC and CCEA schemes |
| Published accuracy figures | Yes: Against senior examiners, GCSE Maths and GCSE English | No: None found |
| AI detection | Yes: 1 credit a check on individual plans; unlimited for schools | Not found: Not mentioned on its homepage or pricing page |
| MIS sync | Yes: Wonde, on school accounts | No: No MIS link; CSV import |
| Student data | Yes: Individual accounts: work not kept, names redacted in your browser. Schools: kept under a DPA | Yes: Says work never trains AI, 90-day deletion, school DPA |
| Free trial | Yes: 10 free credits for teachers; 30-day trial for schools | Yes: 3 free assessments every 30 days; 14-day school trial |
Where ReMarkAble AI is strong
- A free plan, and a low flat price for an individual teacher.
- Covers primary writing as well as secondary.
- Says student work is never used to train AI models.
Where GradeOrbit is different
- GradeOrbit takes a whole mock as one script, with no five-page limit.
- GradeOrbit publishes how close its marks come to senior examiners.
- GradeOrbit school accounts sync classes and pupils from your MIS through Wonde.
Which should you choose?
- ReMarkAble AI may suit you if
- You mark short pieces, including primary writing, and want one flat monthly fee.
- GradeOrbit may suit you if
- You mark long mocks or exam booklets, or your school wants MIS roster sync.
Sources
- ReMarkAble homepage (checked 19 October 2026)
- ReMarkAble pricing (checked 19 October 2026)
- ReMarkAble school pricing (checked 18 October 2026)
Everything about ReMarkAble AI on this page comes from its own public pages on the date shown, and may have changed since. We have not used ReMarkAble AI’s product. ReMarkAble AI is a trademark of its owner and is named here only to compare. Spotted something out of date? Tell us and we will correct it.