§ The result
Mercer | Mettl takes the total, Loxo takes more of the criteria.
Mercer | Mettl scores 42 and Loxo 37 under rubric v1.0, a 5-point gap across the Assessment and Sourcing cohorts. Loxo 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. Bias Audit Transparency is both the widest raw gap and the heaviest weighted swing — Loxo 20, Mercer | Mettl 42 — and at an 18% weight it carries 63% of the weighted advantage Mercer | Mettl holds across the 3 criteria on that side of the table.
Vendor profile
Loxo
Loxo is an AI-native talent-intelligence platform that combines candidate sourcing, a recruiting CRM, and an applicant tracking system, using proprietary ranking models and a self-built talent graph of 800M+ people to source, rank, and match candidates for recruiting and staffing firms.
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
Loxo is filed under Candidate sourcing AI, Mercer | Mettl under Assessment AI. They record no secondary category in common.
Both are in scope of EU AI Act, Colorado AI Act and NYC LL 144. Only Mercer | Mettl is in scope of Illinois HB 3773 and Mobley v. Workday.
| Record | Loxo | Mercer | Mettl |
|---|---|---|
| Price tier | Mid | Mid |
| Headquarters | US | IN |
| Founded | 2012 | 2010 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 50% of the movement so far
Bias Audit Transparency
Loxo 20 · Mercer | Mettl 42
4.0 weighted points to Mercer | Mettl
20% weight · 70% of the movement so far
Article 11 Technical Documentation
Loxo 30 · Mercer | Mettl 38
1.6 weighted points to Mercer | Mettl
15% weight · 80% of the movement so far
Data Governance Disclosure
Loxo 50 · Mercer | Mettl 55
0.8 weighted points to Mercer | Mettl
12% weight · 87% of the movement so far
Human Oversight Design
Loxo 50 · Mercer | Mettl 45
0.6 weighted points to Loxo
8% weight · 93% of the movement so far
Customer Documentation
Loxo 58 · Mercer | Mettl 52
0.5 weighted points to Loxo
15% weight · 97% of the movement so far
FRIA Support
Loxo 30 · Mercer | Mettl 28
0.3 weighted points to Loxo
12% weight · 100% of the movement so far
Post-Market Monitoring
Loxo 40 · Mercer | Mettl 38
0.2 weighted points to Loxo
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to -4.7 — the difference between the two totals before either is rounded. Shares are of 7.9 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 -4.7.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Loxo minus Mercer | Mettl.
| Category | Weight | Loxo | 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% | 58 | 52 | +6 | +0.5 |
| Total | 100% | 37 (F) | 42 (F) | -5 | -4.7 |
§ 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 | Loxo | 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% | 3 | 1 | Audit reportSources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 1 | 1 | — | 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% | 2 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 12 | 7 | Audit reportSources on the vendor's own domain | 9 | 5 | Sources on the vendor's own domain |
Loxo has 19 evidence rows across 7 of 7 criteria — 12 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 33 evidence rows on file for these two vendors: 19 for Loxo, across 1 distinct source domain, and 14 for Mercer | Mettl, across 2 distinct source domains.
- Rubric
- v1.0
- Loxo 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