§ The result
Mercer | Mettl leads Ceipal by 7 points.
Mercer | Mettl scores 42 and Ceipal 35 under rubric v1.0, a 7-point gap across the Assessment and ATS-integrated cohorts. Mercer | Mettl leads 4 of the 7 criteria, including Bias Audit Transparency, while Ceipal leads 2, including Human Oversight Design, and 1 is level. Bias Audit Transparency is both the widest raw gap and the heaviest weighted swing — Ceipal 20, Mercer | Mettl 42 — and at an 18% weight it carries 54% of the weighted advantage Mercer | Mettl holds across the 4 criteria on that side of the table.
Vendor profile
Ceipal
AI-powered applicant tracking and workforce-management platform for staffing firms that sources, matches, and ranks candidates on a 1-to-100 scale against job requirements.
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
Ceipal is filed under ATS-integrated AI, Mercer | Mettl under Assessment AI. They record no secondary category in common.
Both are in scope of EU AI Act, NYC LL 144 and Colorado AI Act. Only Mercer | Mettl is in scope of Illinois HB 3773 and Mobley v. Workday.
| Record | Ceipal | Mercer | Mettl |
|---|---|---|
| Price tier | Mid | Mid |
| Headquarters | US | IN |
| Founded | 2015 | 2010 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 52% of the movement so far
Bias Audit Transparency
Ceipal 20 · Mercer | Mettl 42
4.0 weighted points to Mercer | Mettl
20% weight · 74% of the movement so far
Article 11 Technical Documentation
Ceipal 30 · Mercer | Mettl 38
1.6 weighted points to Mercer | Mettl
15% weight · 91% of the movement so far
Data Governance Disclosure
Ceipal 46 · Mercer | Mettl 55
1.3 weighted points to Mercer | Mettl
15% weight · 97% of the movement so far
FRIA Support
Ceipal 25 · Mercer | Mettl 28
0.4 weighted points to Mercer | Mettl
12% weight · 99% of the movement so far
Human Oversight Design
Ceipal 46 · Mercer | Mettl 45
0.1 weighted points to Ceipal
8% weight · 100% of the movement so far
Customer Documentation
Ceipal 53 · Mercer | Mettl 52
0.1 weighted points to Ceipal
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to -7.2 — the difference between the two totals before either is rounded. Shares are of 7.6 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 -7.2.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Ceipal minus Mercer | Mettl.
| Category | Weight | Ceipal | Mercer | Mettl | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 30 | 38 | -8 | -1.6 |
| Bias Audit Transparency | 18% | 20 | 42 | -22 | -4.0 |
| FRIA Support | 15% | 25 | 28 | -3 | -0.4 |
| Data Governance Disclosure | 15% | 46 | 55 | -9 | -1.3 |
| Human Oversight Design | 12% | 46 | 45 | +1 | +0.1 |
| Post-Market Monitoring | 12% | 38 | 38 | - | - |
| Customer Documentation | 8% | 53 | 52 | +1 | +0.1 |
| Total | 100% | 35 (F) | 42 (F) | -7 | -7.2 |
§ 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 | Ceipal | Mercer | Mettl | ||||
|---|---|---|---|---|---|---|---|
| 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% | 1 | 1 | — | 0 | 1 | — |
| FRIA Support | 15% | 1 | 1 | Sources on the vendor's own 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 | 1 | 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% | 3 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 13 | 7 | Sources on the vendor's own domain | 9 | 5 | Sources on the vendor's own domain |
Ceipal has 20 evidence rows across 7 of 7 criteria — 13 with a source URL, 7 documented absences; Mercer | Mettl has 14 evidence rows across 7 of 7 criteria — 9 with a source URL, 5 documented absences.
Provenance
The scores above are documented by 34 evidence rows on file for these two vendors: 20 for Ceipal, across 1 distinct source domain, and 14 for Mercer | Mettl, across 2 distinct source domains.
- Rubric
- v1.0
- Ceipal last reviewed
- July 17, 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