§ The result
Plum leads Willo by 13 points.
Plum sits 13 points above Willo under rubric v1.0 — 54 against 41 — with Plum filed under Assessment and Willo under Video interview. Plum leads 5 of the 7 criteria, including Bias Audit Transparency, while Willo leads 1, including Human Oversight Design, and 1 is level. Bias Audit Transparency is both the widest raw gap and the heaviest weighted swing — Plum 83, Willo 30 — and at an 18% weight it carries 64% of the weighted advantage Plum holds across the 5 criteria on that side of the table.
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.
Vendor profile
Willo
Willo is a browser-based asynchronous (one-way) video interview platform that lets employers collect recorded video, audio, multiple-choice and written candidate responses, then uses AI to transcribe, summarize, rank candidates against employer-defined "Blueprint" criteria, and flag scripted or AI-generated answers.
§ The record
Plum is filed under Assessment AI, Willo under Video interview 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 | Plum | Willo |
|---|---|---|
| Price tier | Mid | Low |
| Headquarters | CA | GB |
| Founded | 2012 | 2018 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 59% of the movement so far
Bias Audit Transparency
Plum 83 · Willo 30
9.5 weighted points to Plum
20% weight · 84% of the movement so far
Article 11 Technical Documentation
Plum 58 · Willo 38
4.0 weighted points to Plum
12% weight · 92% of the movement so far
Human Oversight Design
Plum 52 · Willo 62
1.2 weighted points to Willo
8% weight · 96% of the movement so far
Customer Documentation
Plum 63 · Willo 54
0.7 weighted points to Plum
15% weight · 99% of the movement so far
FRIA Support
Plum 28 · Willo 25
0.4 weighted points to Plum
15% weight · 100% of the movement so far
Data Governance Disclosure
Plum 54 · Willo 53
0.1 weighted points to Plum
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to +13.7 — the difference between the two totals before either is rounded. Shares are of 16.1 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +13 beside that +13.7.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Plum minus Willo.
| Category | Weight | Plum | Willo | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 58 | 38 | +20 | +4.0 |
| Bias Audit Transparency | 18% | 83 | 30 | +53 | +9.5 |
| FRIA Support | 15% | 28 | 25 | +3 | +0.4 |
| Data Governance Disclosure | 15% | 54 | 53 | +1 | +0.1 |
| Human Oversight Design | 12% | 52 | 62 | -10 | -1.2 |
| Post-Market Monitoring | 12% | 36 | 36 | - | - |
| Customer Documentation | 8% | 63 | 54 | +9 | +0.7 |
| Total | 100% | 54 (F) | 41 (F) | +13 | +13.7 |
§ 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 | Plum | Willo | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 3 | 0 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 3 | 0 | Audit reportSources on the vendor's own domain | 1 | 1 | — |
| FRIA Support | 15% | 0 | 1 | — | 0 | 1 | — |
| Data Governance Disclosure | 15% | 2 | 1 | Sources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 2 | 1 | Audit reportSources 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% | 3 | 0 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 15 | 4 | Audit reportSources on the vendor's own domain | 9 | 5 | Sources on the vendor's own domain |
Plum has 19 evidence rows across 7 of 7 criteria — 15 with a source URL, 4 documented absences; Willo has 14 evidence rows across 7 of 7 criteria — 9 with a source URL, 5 documented absences.
Provenance
The scores above are documented by 33 evidence rows on file for these two vendors: 19 for Plum, across 1 distinct source domain, and 14 for Willo, across 1 distinct source domain.
- Rubric
- v1.0
- Plum last reviewed
- June 7, 2026 · HireAIScore editorial team
- Willo 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