§ The result
Plum leads Adaface by 15 points.
The Assessment cohort pairing of Plum and Adaface comes out 54 to 39 under rubric v1.0, a 15-point lead for Plum. Adaface takes 2 of the 7 criteria, FRIA Support among them, against 5 for Plum, whose share includes Bias Audit Transparency. One criterion, Bias Audit Transparency, is both the widest raw gap (Adaface 22, Plum 83) and the heaviest weighted swing, and at 18% weight it makes up 69% of the weighted advantage Plum holds across the 5 criteria it leads.
Vendor profile
Adaface
Adaface runs chatbot-led 'conversational' skills tests for 500+ roles that score candidates automatically as pass, borderline pass or fail on benchmarked scorecards, backed by webcam, screen and IP proctoring and an AI résumé parser.
Vendor profile
Plum
Plum is a pre-employment talent assessment platform that uses a Five-Factor (Big Five) psychometric Discovery Survey and a Talent Match model to score and rank candidates on behavioral "durable skills" for role fit, hiring, and development.
§ The record
Adaface and Plum are both filed under Assessment AI. They also share 1 secondary category: Screening.
Both are in scope of NYC LL 144, Illinois HB 3773, EU AI Act, Colorado AI Act and Mobley v. Workday.
| Record | Adaface | Plum |
|---|---|---|
| Price tier | Low | Mid |
| Headquarters | SG | CA |
| Founded | 2018 | 2012 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 67% of the movement so far
Bias Audit Transparency
Adaface 22 · Plum 83
11.0 weighted points to Plum
20% weight · 91% of the movement so far
Article 11 Technical Documentation
Adaface 38 · Plum 58
4.0 weighted points to Plum
8% weight · 93% of the movement so far
Customer Documentation
Adaface 58 · Plum 63
0.4 weighted points to Plum
15% weight · 95% of the movement so far
FRIA Support
Adaface 30 · Plum 28
0.3 weighted points to Adaface
15% weight · 97% of the movement so far
Data Governance Disclosure
Adaface 52 · Plum 54
0.3 weighted points to Plum
12% weight · 99% of the movement so far
Human Oversight Design
Adaface 50 · Plum 52
0.2 weighted points to Plum
12% weight · 100% of the movement so far
Post-Market Monitoring
Adaface 38 · Plum 36
0.2 weighted points to Adaface
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to -15.4 — the difference between the two totals before either is rounded. Shares are of 16.5 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -15 beside that -15.4.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Adaface minus Plum.
| Category | Weight | Adaface | Plum | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 38 | 58 | -20 | -4.0 |
| Bias Audit Transparency | 18% | 22 | 83 | -61 | -11.0 |
| FRIA Support | 15% | 30 | 28 | +2 | +0.3 |
| Data Governance Disclosure | 15% | 52 | 54 | -2 | -0.3 |
| Human Oversight Design | 12% | 50 | 52 | -2 | -0.2 |
| Post-Market Monitoring | 12% | 38 | 36 | +2 | +0.2 |
| Customer Documentation | 8% | 58 | 63 | -5 | -0.4 |
| Total | 100% | 39 (F) | 54 (F) | -15 | -15.4 |
§ 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 | Adaface | Plum | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 3 | 1 | Sources on the vendor's own domain | 3 | 0 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 2 | 1 | — | 3 | 0 | Audit reportSources on the vendor's own domain |
| FRIA Support | 15% | 1 | 1 | Sources on the vendor's own domain | 0 | 1 | — |
| Data Governance Disclosure | 15% | 5 | 1 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 6 | 0 | Sources on the vendor's own domain | 2 | 1 | Audit reportSources on the vendor's own domain |
| Post-Market Monitoring | 12% | 4 | 1 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 4 | 1 | Sources on the vendor's own domain | 3 | 0 | Sources on the vendor's own domain |
| All criteria | 100% | 25 | 6 | Sources on the vendor's own domain | 15 | 4 | Audit reportSources on the vendor's own domain |
Adaface has 31 evidence rows across 7 of 7 criteria — 25 with a source URL, 6 documented absences; Plum has 19 evidence rows across 7 of 7 criteria — 15 with a source URL, 4 documented absences.
Provenance
The scores above are documented by 50 evidence rows on file for these two vendors: 31 for Adaface, across 1 distinct source domain, and 19 for Plum, across 1 distinct source domain.
- Rubric
- v1.0
- Adaface last reviewed
- September 25, 2026 · HireAIScore editorial team
- Plum 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