§ The result
SmartRecruiters leads Mercer | Mettl on all 7 criteria.
SmartRecruiters finishes 20 points clear of Mercer | Mettl under rubric v1.0 — 62 (D) against 42 (F) — across the ATS-integrated and Assessment cohorts. SmartRecruiters leads every one of the 7 criteria, Mercer | Mettl none of them, and the closest of the 7 is Data Governance Disclosure, Mercer | Mettl 55 to SmartRecruiters 62. Bias Audit Transparency is the widest raw gap and the heaviest weighted swing at once (Mercer | Mettl 42, SmartRecruiters 78, 18% weight), but it accounts for only 31% of the weighted advantage SmartRecruiters 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
SmartRecruiters
SmartRecruiters is an enterprise applicant tracking system and talent acquisition suite whose AI layer (the Winston assistant plus SmartAssistant/Winston Match) screens, ranks, and matches candidates to requisitions to support recruiter decisions.
§ The record
Mercer | Mettl is filed under Assessment AI, SmartRecruiters under ATS-integrated AI. They also share 1 secondary category: Screening.
Both are in scope of NYC LL 144, Illinois HB 3773, EU AI Act and Colorado AI Act. Only Mercer | Mettl is in scope of Mobley v. Workday.
| Record | Mercer | Mettl | SmartRecruiters |
|---|---|---|
| Price tier | Mid | Enterprise |
| Headquarters | IN | US |
| Founded | 2010 | 2010 |
§ 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 · SmartRecruiters 78
6.5 weighted points to SmartRecruiters
20% weight · 63% of the movement so far
Article 11 Technical Documentation
Mercer | Mettl 38 · SmartRecruiters 70
6.4 weighted points to SmartRecruiters
15% weight · 75% of the movement so far
FRIA Support
Mercer | Mettl 28 · SmartRecruiters 45
2.5 weighted points to SmartRecruiters
12% weight · 85% of the movement so far
Human Oversight Design
Mercer | Mettl 45 · SmartRecruiters 62
2.0 weighted points to SmartRecruiters
12% weight · 91% of the movement so far
Post-Market Monitoring
Mercer | Mettl 38 · SmartRecruiters 48
1.2 weighted points to SmartRecruiters
15% weight · 96% of the movement so far
Data Governance Disclosure
Mercer | Mettl 55 · SmartRecruiters 62
1.1 weighted points to SmartRecruiters
8% weight · 100% of the movement so far
Customer Documentation
Mercer | Mettl 52 · SmartRecruiters 63
0.9 weighted points to SmartRecruiters
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to -20.6 — the difference between the two totals before either is rounded. Shares are of 20.6 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -20 beside that -20.6.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Mercer | Mettl minus SmartRecruiters.
| Category | Weight | Mercer | Mettl | SmartRecruiters | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 38 | 70 | -32 | -6.4 |
| Bias Audit Transparency | 18% | 42 | 78 | -36 | -6.5 |
| FRIA Support | 15% | 28 | 45 | -17 | -2.5 |
| Data Governance Disclosure | 15% | 55 | 62 | -7 | -1.1 |
| Human Oversight Design | 12% | 45 | 62 | -17 | -2.0 |
| Post-Market Monitoring | 12% | 38 | 48 | -10 | -1.2 |
| Customer Documentation | 8% | 52 | 63 | -11 | -0.9 |
| Total | 100% | 42 (F) | 62 (D) | -20 | -20.6 |
§ 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 | SmartRecruiters | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 2 | 1 | Sources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 0 | 1 | — | 1 | 0 | Audit reportSources on a separate domain |
| FRIA Support | 15% | 1 | 1 | — | 1 | 1 | Sources on the vendor's own domain |
| Data Governance Disclosure | 15% | 2 | 0 | Sources on the vendor's own domain | 2 | 0 | Audit reportSources 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% | 1 | 1 | Sources on the vendor's own domain | 1 | 1 | Audit reportSources on the vendor's own domain |
| Customer Documentation | 8% | 1 | 1 | Sources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| All criteria | 100% | 9 | 5 | Sources on the vendor's own domain | 11 | 2 | Audit reportSources on the vendor's own domainSources on a separate domain |
Mercer | Mettl has 14 evidence rows across 7 of 7 criteria — 9 with a source URL, 5 documented absences; SmartRecruiters has 13 evidence rows across 7 of 7 criteria — 11 with a source URL, 2 documented absences; some documentation or audit rows for SmartRecruiters sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 27 evidence rows on file for these two vendors: 14 for Mercer | Mettl, across 2 distinct source domains, and 13 for SmartRecruiters, across 2 distinct source domains.
- Rubric
- v1.0
- Mercer | Mettl last reviewed
- June 7, 2026 · HireAIScore editorial team
- SmartRecruiters 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