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.

Criteria won

7 criteria

  • Mercer | Mettl3
  • Tengai3
  • Level1
Widest raw gap
Human Oversight Design45 vs 58
Heaviest weighted swing
Bias Audit Transparency18% weight

Keep this comparison

Both scores and all 7 criteria, side by side, in your inbox.

Sent once, with links to turn on alerts for either vendor. No list.

The record

Categories, scope and company facts.

Mercer | Mettl is filed under Assessment AI, Tengai under Screening AI. They also share 1 secondary category: Video interview.

RecordMercer | MettlTengai
Price tierMidMid
HeadquartersINSE
Founded20102019

What decides it

The criteria that move the gap, heaviest swing first.

  1. Bias Audit Transparency

    18% weight26% of the movement so far

    Mercer | Mettl42
    Tengai33

    1.6 weighted points to Mercer | Mettl

  2. Human Oversight Design

    12% weight52% of the movement so far

    Mercer | Mettl45
    Tengai58

    1.6 weighted points to Tengai

  3. Article 11 Technical Documentation

    20% weight74% of the movement so far

    Mercer | Mettl38
    Tengai45

    1.4 weighted points to Tengai

  4. Data Governance Disclosure

    15% weight86% of the movement so far

    Mercer | Mettl55
    Tengai50

    0.8 weighted points to Mercer | Mettl

  5. Post-Market Monitoring

    12% weight96% of the movement so far

    Mercer | Mettl38
    Tengai33

    0.6 weighted points to Mercer | Mettl

  6. Customer Documentation

    8% weight100% of the movement so far

    Mercer | Mettl52
    Tengai55

    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, coloured for whichever of the two it favours.

CategoryWeightMercer | MettlTengaiΔ rawΔ weighted
Article 11 Technical Documentation20%3845-7-1.4
Bias Audit Transparency18%4233+9+1.6
FRIA Support15%2828--
Data Governance Disclosure15%5550+5+0.8
Human Oversight Design12%4558-13-1.6
Post-Market Monitoring12%3833+5+0.6
Customer Documentation8%5255-3-0.2
Total100%42F42F--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.

CriterionWeightMercer | MettlTengai
CitedAbsencesAudit / hostingCitedAbsencesAudit / hosting
Article 11 Technical Documentation20%21Sources on the vendor's own domain71Sources on the vendor's own domain
Bias Audit Transparency18%01—51Sources on the vendor's own domain
FRIA Support15%11—41Sources on the vendor's own domain
Data Governance Disclosure15%20Sources on the vendor's own domain60Sources on the vendor's own domainSources on a separate domain
Human Oversight Design12%20Sources on the vendor's own domain60Sources on the vendor's own domain
Post-Market Monitoring12%11Sources on the vendor's own domain41Sources on the vendor's own domain
Customer Documentation8%11Sources on the vendor's own domain51Sources on the vendor's own domain
All criteria100%95Sources on the vendor's own domain375Sources 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.

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