Pricing
One payment. One track. No subscription.
You pay only when you pass, and only for the certificate. Reading, practice and the exam cost nothing.
Tier 1
Starter Track
Data Annotation
Six annotation courses, from bounding boxes to LiDAR, plus the assessed certificate for each one you pass.
- 6 courses · image, text, audio, video, LiDAR, OCR
- Free to study and free to sit the exam
- Signed certificate on every pass
- Job Site verification included
Get certified in basic AI tasks and access our Job Site. Upgrade later to unlock higher-paying professional tasks.
Start this trackStudy free · pay only after you pass
Tier 2
Professional Track
Prompt Engineering & RLHF
Twelve courses across prompt design and model evaluation — the judgement work that pays more than labelling.
- 6 prompt engineering + 6 evaluation courses
- Red-teaming, RAG evaluation, RLHF ranking
- Bias, hallucination and multi-turn review
- Signed certificate on every pass
Study free · pay only after you pass
Tier 3
Enterprise Track
Domain-Specific
Six specialist courses for high-consequence review, where a wrong answer costs more than a relabelled batch.
- 6 domain courses · medical, legal, financial
- Code generation and safety adjudication
- Multilingual quality review
- Signed certificate on every pass
Designed for professionals in Medicine, Law, and Finance.
Start this trackStudy free · pay only after you pass
Included in every track
- One payment per course certificate — never a subscription
- Study, practice mode and the exam are always free
- Retakes are free and unlimited
- 14-day refund, no questions asked
- Every certificate signed and publicly verifiable
Prices are charged once per certificate, at the tier that course belongs to. Paying does not buy a pass: your score stands whether you pay or not. Refunds within 14 days revoke the certificate.