§ The result
Lever leads Mercer | Mettl on 6 of the 7 criteria.
Lever scores 49 and Mercer | Mettl 42 under rubric v1.0, a 7-point gap across the ATS-integrated and Assessment cohorts. Lever leads 6 of the 7 criteria and the remaining criterion is level, so Mercer | Mettl is ahead on none of them; the closest of the 6 Lever leads is Data Governance Disclosure, Lever 58 to Mercer | Mettl 55. Lever takes the heaviest weighted swing, Article 11 Technical Documentation at 20% (Lever 52, Mercer | Mettl 38), which is 40% of the weighted advantage Lever holds; the widest raw gap is a different criterion, Human Oversight Design, Lever 60 to Mercer | Mettl 45.
Vendor profile
Lever
Lever is an AI-powered applicant tracking system and recruiting CRM that centralizes sourcing, candidate relationship management, AI candidate matching (Talent Fit), and hiring analytics for high-growth employers.
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.
§ The record
Lever is filed under ATS-integrated AI, Mercer | Mettl under Assessment AI. They also share 1 secondary category: Screening.
Both are in scope of EU AI Act, NYC LL 144, Colorado AI Act and Illinois HB 3773. Only Mercer | Mettl is in scope of Mobley v. Workday.
| Record | Lever | Mercer | Mettl |
|---|---|---|
| Price tier | Mid | Mid |
| Headquarters | US | IN |
| Founded | 2012 | 2010 |
§ What decides it
The criteria that move the gap, heaviest swing first.
20% weight · 40% of the movement so far
Article 11 Technical Documentation
Lever 52 · Mercer | Mettl 38
2.8 weighted points to Lever
12% weight · 66% of the movement so far
Human Oversight Design
Lever 60 · Mercer | Mettl 45
1.8 weighted points to Lever
12% weight · 78% of the movement so far
Post-Market Monitoring
Lever 45 · Mercer | Mettl 38
0.8 weighted points to Lever
15% weight · 87% of the movement so far
FRIA Support
Lever 32 · Mercer | Mettl 28
0.6 weighted points to Lever
8% weight · 94% of the movement so far
Customer Documentation
Lever 58 · Mercer | Mettl 52
0.5 weighted points to Lever
15% weight · 100% of the movement so far
Data Governance Disclosure
Lever 58 · Mercer | Mettl 55
0.4 weighted points to Lever
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to +7.0 — the difference between the two totals before either is rounded. Shares are of 7.0 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +7 beside that +7.0.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Lever minus Mercer | Mettl.
| Category | Weight | Lever | Mercer | Mettl | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 52 | 38 | +14 | +2.8 |
| Bias Audit Transparency | 18% | 42 | 42 | - | - |
| FRIA Support | 15% | 32 | 28 | +4 | +0.6 |
| Data Governance Disclosure | 15% | 58 | 55 | +3 | +0.4 |
| Human Oversight Design | 12% | 60 | 45 | +15 | +1.8 |
| Post-Market Monitoring | 12% | 45 | 38 | +7 | +0.8 |
| Customer Documentation | 8% | 58 | 52 | +6 | +0.5 |
| Total | 100% | 49 (F) | 42 (F) | +7 | +7.0 |
§ 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 | Lever | Mercer | Mettl | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 2 | 1 | Sources on a separate domain | 2 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 2 | 1 | Sources on a separate domain | 0 | 1 | — |
| FRIA Support | 15% | 1 | 1 | Sources on a separate domain | 1 | 1 | — |
| Data Governance Disclosure | 15% | 2 | 1 | Sources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 2 | 0 | Sources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 2 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 2 | 1 | Sources on the vendor's own domainSources on a separate domain | 1 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 13 | 6 | Sources on the vendor's own domainSources on a separate domain | 9 | 5 | Sources on the vendor's own domain |
Lever has 19 evidence rows across 7 of 7 criteria — 13 with a source URL, 6 documented absences; Mercer | Mettl has 14 evidence rows across 7 of 7 criteria — 9 with a source URL, 5 documented absences; some documentation or audit rows for Lever sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 33 evidence rows on file for these two vendors: 19 for Lever, across 2 distinct source domains, and 14 for Mercer | Mettl, across 2 distinct source domains.
- Rubric
- v1.0
- Lever last reviewed
- June 7, 2026 · HireAIScore editorial team
- Mercer | Mettl 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