§ The result
Paycom leads Mercer | Mettl by 8 points.
Paycom scores 50 and Mercer | Mettl 42 under rubric v1.0, an 8-point gap across the ATS-integrated and Assessment cohorts. Paycom leads 5 of the 7 criteria, including Article 11 Technical Documentation, while Mercer | Mettl leads 1, including Bias Audit Transparency, and 1 is level. Article 11 Technical Documentation is both the widest raw gap and the heaviest weighted swing — Mercer | Mettl 38, Paycom 68 — and at a 20% weight it carries 65% of the weighted advantage Paycom holds across the 5 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
Paycom
Paycom is a single-database human capital management and payroll platform whose applicant tracking system automates recruiting with resume parsing, keyword/knockout candidate filtering, automated correspondence, generative job-description writing, and a command-driven AI data-query engine (IWant).
§ The record
Mercer | Mettl is filed under Assessment AI, Paycom 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 | Paycom |
|---|---|---|
| Price tier | Mid | Enterprise |
| Headquarters | IN | US |
| Founded | 2010 | 1998 |
§ What decides it
The criteria that move the gap, heaviest swing first.
20% weight · 61% of the movement so far
Article 11 Technical Documentation
Mercer | Mettl 38 · Paycom 68
6.0 weighted points to Paycom
12% weight · 73% of the movement so far
Human Oversight Design
Mercer | Mettl 45 · Paycom 55
1.2 weighted points to Paycom
15% weight · 83% of the movement so far
Data Governance Disclosure
Mercer | Mettl 55 · Paycom 62
1.1 weighted points to Paycom
18% weight · 91% of the movement so far
Bias Audit Transparency
Mercer | Mettl 42 · Paycom 38
0.7 weighted points to Mercer | Mettl
8% weight · 97% of the movement so far
Customer Documentation
Mercer | Mettl 52 · Paycom 60
0.6 weighted points to Paycom
15% weight · 100% of the movement so far
FRIA Support
Mercer | Mettl 28 · Paycom 30
0.3 weighted points to Paycom
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to -8.5 — the difference between the two totals before either is rounded. Shares are of 9.9 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -8 beside that -8.5.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Mercer | Mettl minus Paycom.
| Category | Weight | Mercer | Mettl | Paycom | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 38 | 68 | -30 | -6.0 |
| Bias Audit Transparency | 18% | 42 | 38 | +4 | +0.7 |
| FRIA Support | 15% | 28 | 30 | -2 | -0.3 |
| Data Governance Disclosure | 15% | 55 | 62 | -7 | -1.1 |
| Human Oversight Design | 12% | 45 | 55 | -10 | -1.2 |
| Post-Market Monitoring | 12% | 38 | 38 | - | - |
| Customer Documentation | 8% | 52 | 60 | -8 | -0.6 |
| Total | 100% | 42 (F) | 50 (F) | -8 | -8.5 |
§ 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 | Paycom | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 2 | 1 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 0 | 1 | — | 2 | 1 | Audit reportSources on the vendor's own 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 | 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 | 2 | 1 | Sources on the vendor's own domain |
| 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 | 13 | 7 | Audit reportSources 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; Paycom has 20 evidence rows across 7 of 7 criteria — 13 with a source URL, 7 documented absences.
Provenance
The scores above are documented by 34 evidence rows on file for these two vendors: 14 for Mercer | Mettl, across 2 distinct source domains, and 20 for Paycom, across 1 distinct source domain.
- Rubric
- v1.0
- Mercer | Mettl last reviewed
- June 7, 2026 · HireAIScore editorial team
- Paycom last reviewed
- July 17, 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