§ The result
Mercer | Mettl leads Mercor on all 7 criteria.
Mercer | Mettl finishes 19 points clear of Mercor under rubric v1.0 — 42 against 23 — across the Assessment and Screening cohorts. Mercer | Mettl leads every one of the 7 criteria, Mercor none of them, and the closest of the 7 is Human Oversight Design, Mercer | Mettl 45 to Mercor 42. The widest raw gap and the heaviest weighted swing fall on different criteria: Data Governance Disclosure (Mercer | Mettl 55, Mercor 22) and Bias Audit Transparency at 18% (Mercer | Mettl 42, Mercor 10), the second being 31% of the weighted advantage Mercer | Mettl holds across the 7 criteria on that side of the table.
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
Mercor
Mercor is an AI talent platform that runs automated 20-minute AI video interviews and semantic resume/profile matching to vet, score, and place candidates and expert contractors, and offers an enterprise applicant-screening product that scores employers' applicant pools against role rubrics with pass/fail recommendations.
§ The record
Mercer | Mettl is filed under Assessment AI, Mercor under Screening AI. They also share 1 secondary category: Video interview.
Both are in scope of NYC LL 144, Illinois HB 3773, EU AI Act, Colorado AI Act and Mobley v. Workday.
| Record | Mercer | Mettl | Mercor |
|---|---|---|
| Price tier | Mid | Enterprise |
| Headquarters | IN | US |
| Founded | 2010 | 2023 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 31% of the movement so far
Bias Audit Transparency
Mercer | Mettl 42 · Mercor 10
5.8 weighted points to Mercer | Mettl
15% weight · 58% of the movement so far
Data Governance Disclosure
Mercer | Mettl 55 · Mercor 22
5.0 weighted points to Mercer | Mettl
20% weight · 75% of the movement so far
Article 11 Technical Documentation
Mercer | Mettl 38 · Mercor 22
3.2 weighted points to Mercer | Mettl
12% weight · 86% of the movement so far
Post-Market Monitoring
Mercer | Mettl 38 · Mercor 20
2.2 weighted points to Mercer | Mettl
15% weight · 93% of the movement so far
FRIA Support
Mercer | Mettl 28 · Mercor 20
1.2 weighted points to Mercer | Mettl
8% weight · 98% of the movement so far
Customer Documentation
Mercer | Mettl 52 · Mercor 40
1.0 weighted points to Mercer | Mettl
12% weight · 100% of the movement so far
Human Oversight Design
Mercer | Mettl 45 · Mercor 42
0.4 weighted points to Mercer | Mettl
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to +18.6 — the difference between the two totals before either is rounded. Shares are of 18.6 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +19 beside that +18.6.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Mercer | Mettl minus Mercor.
| Category | Weight | Mercer | Mettl | Mercor | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 38 | 22 | +16 | +3.2 |
| Bias Audit Transparency | 18% | 42 | 10 | +32 | +5.8 |
| FRIA Support | 15% | 28 | 20 | +8 | +1.2 |
| Data Governance Disclosure | 15% | 55 | 22 | +33 | +5.0 |
| Human Oversight Design | 12% | 45 | 42 | +3 | +0.4 |
| Post-Market Monitoring | 12% | 38 | 20 | +18 | +2.2 |
| Customer Documentation | 8% | 52 | 40 | +12 | +1.0 |
| Total | 100% | 42 (F) | 23 (F) | +19 | +18.6 |
§ Evidence
Cited sources and documented absences, criterion by criterion.
An absence is a finding, not a blank: the reviewer looked for a named artefact and recorded that it is not located. Where a source sits is a fact about hosting only.
| Criterion | Weight | Mercer | Mettl | Mercor | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 2 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 0 | 1 | — | 1 | 1 | — |
| FRIA Support | 15% | 1 | 1 | — | 1 | 2 | — |
| Data Governance Disclosure | 15% | 2 | 0 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 2 | 0 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 1 | 1 | Sources on the vendor's own domain | 1 | 1 | — |
| Customer Documentation | 8% | 1 | 1 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 9 | 5 | Sources on the vendor's own domain | 10 | 8 | Sources on the vendor's own domain |
Mercer | Mettl has 14 evidence rows across 7 of 7 criteria — 9 with a source URL, 5 documented absences; Mercor has 16 evidence rows across 7 of 7 criteria — 10 with a source URL, 8 documented absences.
Provenance
The scores above are documented by 30 evidence rows on file for these two vendors: 14 for Mercer | Mettl, across 2 distinct source domains, and 16 for Mercor, across 4 distinct source domains.
- Rubric
- v1.0
- Mercer | Mettl last reviewed
- June 7, 2026 · HireAIScore editorial team
- Mercor last reviewed
- June 7, 2026 · HireAIScore editorial team
HireAIScore scores are editorial research, not legal advice, and no vendor pays for placement, scoring or removal — see the methodology, conflicts policy and terms.
§ Where next