§ The result
4 points separate Darwinbox and Mercer | Mettl.
Darwinbox (ATS-integrated) edges Mercer | Mettl (Assessment) by 4 points under rubric v1.0, 46 to 42. Mercer | Mettl takes 2 of the 7 criteria, Bias Audit Transparency among them, against 5 for Darwinbox, whose share includes Article 11 Technical Documentation. One criterion, Article 11 Technical Documentation, is both the widest raw gap (Darwinbox 60, Mercer | Mettl 38) and the heaviest weighted swing, and at 20% weight it makes up 65% of the weighted advantage Darwinbox holds across the 5 criteria it leads.
Vendor profile
Darwinbox
Darwinbox is an enterprise HCM suite whose recruitment module uses Darwinbox Sense AI (now sold inside its Cortex agent platform) to parse resumes, stack-rank and recommend candidates with stated fit reasoning, run screening and shortlisting agents, and give candidates an assistant for job matching, interview details and FAQs.
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
Darwinbox 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 | Darwinbox | Mercer | Mettl |
|---|---|---|
| Price tier | Enterprise | Mid |
| Headquarters | IN | IN |
| Founded | 2015 | 2010 |
§ What decides it
The criteria that move the gap, heaviest swing first.
20% weight · 46% of the movement so far
Article 11 Technical Documentation
Darwinbox 60 · Mercer | Mettl 38
4.4 weighted points to Darwinbox
18% weight · 72% of the movement so far
Bias Audit Transparency
Darwinbox 28 · Mercer | Mettl 42
2.5 weighted points to Mercer | Mettl
12% weight · 84% of the movement so far
Human Oversight Design
Darwinbox 55 · Mercer | Mettl 45
1.2 weighted points to Darwinbox
15% weight · 89% of the movement so far
Data Governance Disclosure
Darwinbox 58 · Mercer | Mettl 55
0.4 weighted points to Darwinbox
8% weight · 93% of the movement so far
Customer Documentation
Darwinbox 57 · Mercer | Mettl 52
0.4 weighted points to Darwinbox
12% weight · 97% of the movement so far
Post-Market Monitoring
Darwinbox 35 · Mercer | Mettl 38
0.4 weighted points to Mercer | Mettl
15% weight · 100% of the movement so far
FRIA Support
Darwinbox 30 · Mercer | Mettl 28
0.3 weighted points to Darwinbox
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to +3.9 — the difference between the two totals before either is rounded. Shares are of 9.6 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +4 beside that +3.9.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Darwinbox minus Mercer | Mettl.
| Category | Weight | Darwinbox | Mercer | Mettl | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 60 | 38 | +22 | +4.4 |
| Bias Audit Transparency | 18% | 28 | 42 | -14 | -2.5 |
| FRIA Support | 15% | 30 | 28 | +2 | +0.3 |
| Data Governance Disclosure | 15% | 58 | 55 | +3 | +0.4 |
| Human Oversight Design | 12% | 55 | 45 | +10 | +1.2 |
| Post-Market Monitoring | 12% | 35 | 38 | -3 | -0.4 |
| Customer Documentation | 8% | 57 | 52 | +5 | +0.4 |
| Total | 100% | 46 (F) | 42 (F) | +4 | +3.9 |
§ 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 | Darwinbox | Mercer | Mettl | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 4 | 1 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 3 | 1 | — | 0 | 1 | — |
| FRIA Support | 15% | 1 | 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% | 4 | 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% | 4 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 24 | 7 | Sources on the vendor's own domain | 9 | 5 | Sources on the vendor's own domain |
Darwinbox has 31 evidence rows across 7 of 7 criteria — 24 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 45 evidence rows on file for these two vendors: 31 for Darwinbox, across 1 distinct source domain, and 14 for Mercer | Mettl, across 2 distinct source domains.
- Rubric
- v1.0
- Darwinbox 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