§ The result
Mercer | Mettl takes the total, Keka takes more of the criteria.
Mercer | Mettl scores 42 and Keka 37 under rubric v1.0, a 5-point gap across the Assessment and ATS-integrated cohorts. Keka leads more of the criteria than Mercer | Mettl — 4 to 3 — but Bias Audit Transparency, which Mercer | Mettl leads, carries 18% of the rubric, and the weighted sum still falls to Mercer | Mettl. One criterion, Bias Audit Transparency, is both the widest raw gap (Keka 20, Mercer | Mettl 42) and the heaviest weighted swing, and at 18% weight it makes up 63% of the weighted advantage Mercer | Mettl holds across the 3 criteria it leads.
Vendor profile
Keka
Keka is an HR and payroll suite whose Keka Hire ATS scores each applicant against recruiter-defined role requirements and runs an AI screening conversation that decides which candidates reach the shortlist.
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
Keka 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 | Keka | Mercer | Mettl |
|---|---|---|
| Price tier | Low | Mid |
| Headquarters | IN | IN |
| Founded | 2014 | 2010 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 51% of the movement so far
Bias Audit Transparency
Keka 20 · Mercer | Mettl 42
4.0 weighted points to Mercer | Mettl
20% weight · 72% of the movement so far
Article 11 Technical Documentation
Keka 30 · Mercer | Mettl 38
1.6 weighted points to Mercer | Mettl
15% weight · 82% of the movement so far
Data Governance Disclosure
Keka 50 · Mercer | Mettl 55
0.8 weighted points to Mercer | Mettl
12% weight · 90% of the movement so far
Human Oversight Design
Keka 50 · Mercer | Mettl 45
0.6 weighted points to Keka
15% weight · 94% of the movement so far
FRIA Support
Keka 30 · Mercer | Mettl 28
0.3 weighted points to Keka
12% weight · 97% of the movement so far
Post-Market Monitoring
Keka 40 · Mercer | Mettl 38
0.2 weighted points to Keka
8% weight · 100% of the movement so far
Customer Documentation
Keka 55 · Mercer | Mettl 52
0.2 weighted points to Keka
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to -4.9 — the difference between the two totals before either is rounded. Shares are of 7.7 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -5 beside that -4.9.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Keka minus Mercer | Mettl.
| Category | Weight | Keka | 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% | 30 | 28 | +2 | +0.3 |
| Data Governance Disclosure | 15% | 50 | 55 | -5 | -0.8 |
| Human Oversight Design | 12% | 50 | 45 | +5 | +0.6 |
| Post-Market Monitoring | 12% | 40 | 38 | +2 | +0.2 |
| Customer Documentation | 8% | 55 | 52 | +3 | +0.2 |
| Total | 100% | 37 (F) | 42 (F) | -5 | -4.9 |
§ 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 | Keka | 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% | 3 | 1 | Sources on the vendor's own domain | 0 | 1 | — |
| FRIA Support | 15% | 2 | 1 | Sources on the vendor's own domain | 1 | 1 | — |
| Data Governance Disclosure | 15% | 5 | 1 | Sources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 7 | 1 | Sources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 3 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 6 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 28 | 7 | Sources on the vendor's own domain | 9 | 5 | Sources on the vendor's own domain |
Keka has 35 evidence rows across 7 of 7 criteria — 28 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 49 evidence rows on file for these two vendors: 35 for Keka, across 1 distinct source domain, and 14 for Mercer | Mettl, across 2 distinct source domains.
- Rubric
- v1.0
- Keka last reviewed
- September 25, 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