Side-by-side · Rubric v1.0
Harri vs Mercer | Mettl
Harri
Harri is a frontline workforce platform for hospitality, grocery and care employers whose pre-hire suite pairs a career portal and applicant tracking system with Carri, a conversational AI assistant that screens applicants and coordinates interviews, plus an agentic AI layer (Salli) for scheduling and labor-law compliance.
Substantial gaps
ATS-integrated
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.
Substantial gaps
Assessment
The result
Mercer | Mettl takes the total, Harri takes more of the criteria.
Mercer | Mettl (Assessment) edges Harri (ATS-integrated) by 1 point under rubric v1.0, 42 to 41. Harri 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 (Harri 22, Mercer | Mettl 42) and the heaviest weighted swing, and at 18% weight it makes up 77% of the weighted advantage Mercer | Mettl holds across the 3 criteria it leads.
Criteria won
7 criteria
- Harri4
- Mercer | Mettl3
- Widest raw gap
- Bias Audit Transparency22 vs 42
- Heaviest weighted swing
- Bias Audit Transparency18% weight
The record
Categories, scope and company facts.
Harri is filed under ATS-integrated AI, Mercer | Mettl under Assessment AI. They also share 1 secondary category: Screening.
Both are in scope of
Only Mercer | Mettl is in scope of
| Record | Harri | Mercer | Mettl |
|---|---|---|
| Price tier | Enterprise | Mid |
| Headquarters | US | IN |
| Founded | 2012 | 2010 |
What decides it
The criteria that move the gap, heaviest swing first.
- 1
Bias Audit Transparency
18% weight41% of the movement so far
Harri22Mercer | Mettl423.6 weighted points to Mercer | Mettl
- 2
FRIA Support
15% weight68% of the movement so far
Harri44Mercer | Mettl282.4 weighted points to Harri
- 3
Human Oversight Design
12% weight78% of the movement so far
Harri52Mercer | Mettl450.8 weighted points to Harri
- 4
Customer Documentation
8% weight85% of the movement so far
Harri60Mercer | Mettl520.6 weighted points to Harri
- 5
Article 11 Technical Documentation
20% weight92% of the movement so far
Harri35Mercer | Mettl380.6 weighted points to Mercer | Mettl
- 6
Data Governance Disclosure
15% weight97% of the movement so far
Harri52Mercer | Mettl550.4 weighted points to Mercer | Mettl
- 7
Post-Market Monitoring
12% weight100% of the movement so far
Harri40Mercer | Mettl380.2 weighted points to Harri
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to -0.5 — the difference between the two totals before either is rounded. Shares are of 8.8 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -1 beside that -0.5.
Category-by-category
Raw score per criterion, with weighted delta.
Δ is Harri minus Mercer | Mettl, coloured for whichever of the two it favours.
| Category | Weight | Harri | Mercer | Mettl | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 35 | 38 | -3 | -0.6 |
| Bias Audit Transparency | 18% | 22 | 42 | -20 | -3.6 |
| FRIA Support | 15% | 44 | 28 | +16 | +2.4 |
| Data Governance Disclosure | 15% | 52 | 55 | -3 | -0.4 |
| Human Oversight Design | 12% | 52 | 45 | +7 | +0.8 |
| Post-Market Monitoring | 12% | 40 | 38 | +2 | +0.2 |
| Customer Documentation | 8% | 60 | 52 | +8 | +0.6 |
| Total | 100% | 41F | 42F | -1 | -0.5 |
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 | Harri | 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% | 2 | 2 | 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% | 4 | 1 | Sources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 3 | 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% | 4 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 19 | 8 | Sources on the vendor's own domain | 9 | 5 | Sources on the vendor's own domain |
Harri has 27 evidence rows across 7 of 7 criteria — 19 with a source URL, 8 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 41 evidence rows on file for these two vendors: 27 for Harri, across 1 distinct source domain, and 14 for Mercer | Mettl, across 2 distinct source domains.
- Rubric
- v1.0
- Harri last reviewed
- August 2, 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.