Side-by-side · Rubric v1.0
Mercer | Mettl vs Plum
Side-by-side scores and evidence under the HireAIScore rubric v1.0. Click a vendor name to jump to the full profile and the cited evidence behind each score.
Vendor profile
Mercer | Mettl
Mercer | Mettl is an online talent assessment and remote-proctoring platform offering psychometric, aptitude, coding, and skills tests plus AI-assisted exam proctoring and scoring for hiring, certification, and L&D.
Vendor profile
Plum
Plum is a pre-employment talent assessment platform that uses a Five-Factor (Big Five) psychometric Discovery Survey and a Talent Match model to score and rank candidates on behavioral "durable skills" for role fit, hiring, and development.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Mercer | Mettl minus Plum.
| Category | Weight | Mercer | Mettl | Plum | Δ |
|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 38 | 58 | -20 |
| Bias Audit Transparency | 18% | 42 | 83 | -41 |
| FRIA Support | 15% | 28 | 28 | — |
| Data Governance Disclosure | 15% | 55 | 54 | +1 |
| Human Oversight Design | 12% | 45 | 52 | -7 |
| Post-Market Monitoring | 12% | 38 | 36 | +2 |
| Customer Documentation | 8% | 52 | 63 | -11 |
| Total | 100% | 42 (F) | 54 (F) | -12 |
§ Evidence summary
Evidence count
Mercer | Mettl
14 rows across 7 categories
- documentation
- 7
- absence
- 5
- public statement
- 2
Evidence count
Plum
19 rows across 7 categories
- documentation
- 12
- audit report
- 3
- absence
- 4