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What Illuma actually does.
What it does
Essay evaluation
Paste your essay and prompt. The evaluator returns per-dimension scores 0-4, a subject-check diagnosis, a cohesion trace, and a craft-moves checklist.
Output includes
- Per-dimension scores 0-4 with rationale
- Subject-check (intent vs actual)
- Paragraph-by-paragraph cohesion trace
- Craft moves checklist
Under the hood
ML models + calibration layers, not a ChatGPT wrapper.
The overall-quality label is computed deterministically from the 9 dimension scores, and downgraded when AI detection signals are high.
1
The final score is computed, not guessed
Once the 9 dimensions are scored, the overall label comes from a deterministic formula, so the same essay always gets the same grade.
2
AI-detection flag
High AI-content signals get flagged so the evaluator can't be fooled by AI-assisted prose.
3
Prompt-aware grading
Different essay types are graded against different rubrics so a why-school essay isn't judged like an identity essay.
Ready to try it?
First eval free. No credit card required to sign up.