§ The result
Knockri leads Mercer | Mettl by 5 points.
Under rubric v1.0, Knockri, filed under Video interview, finishes on 47 and Mercer | Mettl, filed under Assessment, on 42, 5 points apart. Mercer | Mettl takes 2 of the 7 criteria, Bias Audit Transparency among them, against 4 for Knockri, whose share includes Article 11 Technical Documentation, and 1 is level. Article 11 Technical Documentation is both the widest raw gap and the heaviest weighted swing — Knockri 55, Mercer | Mettl 38 — and at a 20% weight it carries 52% of the weighted advantage Knockri holds across the 4 criteria on that side of the table.
Vendor profile
Knockri
Knockri runs asynchronous structured behavioural interviews that candidates answer by audio, video or text; it transcribes the answers, uses NLP models to score the work-related behaviours they describe against a skills framework, and produces per-skill scores and ranked shortlists.
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
Knockri is filed under Video interview AI, Mercer | Mettl under Assessment AI. They record no secondary category in common.
Both are in scope of NYC LL 144, EU AI Act, Mobley v. Workday, Illinois HB 3773 and Colorado AI Act.
| Record | Knockri | Mercer | Mettl |
|---|---|---|
| Price tier | Mid | Mid |
| Headquarters | CA | IN |
| Founded | 2017 | 2010 |
§ What decides it
The criteria that move the gap, heaviest swing first.
20% weight · 42% of the movement so far
Article 11 Technical Documentation
Knockri 55 · Mercer | Mettl 38
3.4 weighted points to Knockri
12% weight · 64% of the movement so far
Human Oversight Design
Knockri 60 · Mercer | Mettl 45
1.8 weighted points to Knockri
18% weight · 80% of the movement so far
Bias Audit Transparency
Knockri 35 · Mercer | Mettl 42
1.3 weighted points to Mercer | Mettl
15% weight · 93% of the movement so far
FRIA Support
Knockri 35 · Mercer | Mettl 28
1.1 weighted points to Knockri
12% weight · 97% of the movement so far
Post-Market Monitoring
Knockri 35 · Mercer | Mettl 38
0.4 weighted points to Mercer | Mettl
8% weight · 100% of the movement so far
Customer Documentation
Knockri 55 · Mercer | Mettl 52
0.2 weighted points to Knockri
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to +4.9 — the difference between the two totals before either is rounded. Shares are of 8.1 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 Knockri minus Mercer | Mettl.
| Category | Weight | Knockri | Mercer | Mettl | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 55 | 38 | +17 | +3.4 |
| Bias Audit Transparency | 18% | 35 | 42 | -7 | -1.3 |
| FRIA Support | 15% | 35 | 28 | +7 | +1.1 |
| Data Governance Disclosure | 15% | 55 | 55 | - | - |
| Human Oversight Design | 12% | 60 | 45 | +15 | +1.8 |
| Post-Market Monitoring | 12% | 35 | 38 | -3 | -0.4 |
| Customer Documentation | 8% | 55 | 52 | +3 | +0.2 |
| Total | 100% | 47 (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 | Knockri | Mercer | Mettl | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 6 | 1 | Sources on the vendor's own domainSources on a separate domain | 2 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 4 | 1 | Sources on the vendor's own domainSources on a separate domain | 0 | 1 | — |
| FRIA Support | 15% | 3 | 1 | Sources on a separate domain | 1 | 1 | — |
| Data Governance Disclosure | 15% | 7 | 0 | Sources on the vendor's own domainSources on a separate domain | 2 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 5 | 0 | Sources on the vendor's own domainSources on a separate domain | 2 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 4 | 1 | Sources on the vendor's own domainSources on a separate domain | 1 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 7 | 1 | Sources on the vendor's own domainSources on a separate domain | 1 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 36 | 5 | Sources on the vendor's own domainSources on a separate domain | 9 | 5 | Sources on the vendor's own domain |
Knockri has 41 evidence rows across 7 of 7 criteria — 36 with a source URL, 5 documented absences; Mercer | Mettl has 14 evidence rows across 7 of 7 criteria — 9 with a source URL, 5 documented absences; some documentation or audit rows for Knockri sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 55 evidence rows on file for these two vendors: 41 for Knockri, across 7 distinct source domains, and 14 for Mercer | Mettl, across 2 distinct source domains.
- Rubric
- v1.0
- Knockri 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