§ The result
Mercer | Mettl and Tengai tie at 42.
Mercer | Mettl (Assessment) and Tengai (Screening) tie at 42 under rubric v1.0, arriving there from different criteria. Mercer | Mettl leads 3 of the 7 criteria and Tengai 3, with 1 level, yet the two totals land on the same number. Bias Audit Transparency, at 18%, is the heaviest weighted swing and goes to Mercer | Mettl (Mercer | Mettl 42, Tengai 33), 55% of the weighted advantage it holds, while the widest raw gap is Human Oversight Design, Mercer | Mettl 45 to Tengai 58.
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.
Vendor profile
Tengai
Tengai runs structured screening interviews through a browser-based AI avatar and combines candidates' yes/no qualification answers, a Five-Factor-based personality score and recruiter ratings of open answers into an automatically ranked shortlist.
§ The record
Mercer | Mettl is filed under Assessment AI, Tengai under Screening AI. They also share 1 secondary category: Video interview.
Both are in scope of NYC LL 144, Illinois HB 3773, EU AI Act, Colorado AI Act and Mobley v. Workday.
| Record | Mercer | Mettl | Tengai |
|---|---|---|
| Price tier | Mid | Mid |
| Headquarters | IN | SE |
| Founded | 2010 | 2019 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 26% of the movement so far
Bias Audit Transparency
Mercer | Mettl 42 · Tengai 33
1.6 weighted points to Mercer | Mettl
12% weight · 52% of the movement so far
Human Oversight Design
Mercer | Mettl 45 · Tengai 58
1.6 weighted points to Tengai
20% weight · 74% of the movement so far
Article 11 Technical Documentation
Mercer | Mettl 38 · Tengai 45
1.4 weighted points to Tengai
15% weight · 86% of the movement so far
Data Governance Disclosure
Mercer | Mettl 55 · Tengai 50
0.8 weighted points to Mercer | Mettl
12% weight · 96% of the movement so far
Post-Market Monitoring
Mercer | Mettl 38 · Tengai 33
0.6 weighted points to Mercer | Mettl
8% weight · 100% of the movement so far
Customer Documentation
Mercer | Mettl 52 · Tengai 55
0.2 weighted points to Tengai
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to -0.2 — the difference between the two totals before either is rounded. Shares are of 6.2 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads 0 beside that -0.2.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Mercer | Mettl minus Tengai.
| Category | Weight | Mercer | Mettl | Tengai | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 38 | 45 | -7 | -1.4 |
| Bias Audit Transparency | 18% | 42 | 33 | +9 | +1.6 |
| FRIA Support | 15% | 28 | 28 | - | - |
| Data Governance Disclosure | 15% | 55 | 50 | +5 | +0.8 |
| Human Oversight Design | 12% | 45 | 58 | -13 | -1.6 |
| Post-Market Monitoring | 12% | 38 | 33 | +5 | +0.6 |
| Customer Documentation | 8% | 52 | 55 | -3 | -0.2 |
| Total | 100% | 42 (F) | 42 (F) | - | -0.2 |
§ 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 | Mercer | Mettl | Tengai | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 2 | 1 | Sources on the vendor's own domain | 7 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 0 | 1 | — | 5 | 1 | Sources on the vendor's own domain |
| FRIA Support | 15% | 1 | 1 | — | 4 | 1 | Sources on the vendor's own domain |
| Data Governance Disclosure | 15% | 2 | 0 | Sources on the vendor's own domain | 6 | 0 | Sources on the vendor's own domainSources on a separate domain |
| Human Oversight Design | 12% | 2 | 0 | Sources on the vendor's own domain | 6 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 1 | 1 | Sources on the vendor's own domain | 4 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 1 | 1 | Sources on the vendor's own domain | 5 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 9 | 5 | Sources on the vendor's own domain | 37 | 5 | Sources on the vendor's own domainSources on a separate domain |
Mercer | Mettl has 14 evidence rows across 7 of 7 criteria — 9 with a source URL, 5 documented absences; Tengai has 42 evidence rows across 7 of 7 criteria — 37 with a source URL, 5 documented absences; some documentation or audit rows for Tengai sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 56 evidence rows on file for these two vendors: 14 for Mercer | Mettl, across 2 distinct source domains, and 42 for Tengai, across 4 distinct source domains.
- Rubric
- v1.0
- Mercer | Mettl last reviewed
- June 7, 2026 · HireAIScore editorial team
- Tengai last reviewed
- September 25, 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