§ The result
Greenhouse leads Plum on all 7 criteria.
Greenhouse sits 13 points above Plum under rubric v1.0 — 67 (D) against 54 (F) — with Greenhouse filed under ATS-integrated and Plum under Assessment. Greenhouse leads every one of the 7 criteria, Plum none of them, and the closest of the 7 is Customer Documentation, Greenhouse 64 to Plum 63. The widest raw gap and the heaviest weighted swing fall on different criteria: Post-Market Monitoring (Greenhouse 58, Plum 36) and Article 11 Technical Documentation at 20% (Greenhouse 78, Plum 58), the second being 32% of the weighted advantage Greenhouse holds across the 7 criteria on that side of the table.
Vendor profile
Greenhouse
End-to-end applicant tracking system and structured-hiring platform, now layered with 'Greenhouse AI' features such as resume parsing, Talent Matching, and interview summarisation.
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
Greenhouse is filed under ATS-integrated AI, Plum under Assessment AI. They also share 1 secondary category: Screening.
Both are in scope of EU AI Act, NYC LL 144, Colorado AI Act and Illinois HB 3773. Only Plum is in scope of Mobley v. Workday.
| Record | Greenhouse | Plum |
|---|---|---|
| Price tier | Enterprise | Mid |
| Headquarters | US | CA |
| Founded | 2012 | 2012 |
§ What decides it
The criteria that move the gap, heaviest swing first.
20% weight · 32% of the movement so far
Article 11 Technical Documentation
Greenhouse 78 · Plum 58
4.0 weighted points to Greenhouse
12% weight · 53% of the movement so far
Post-Market Monitoring
Greenhouse 58 · Plum 36
2.6 weighted points to Greenhouse
15% weight · 70% of the movement so far
FRIA Support
Greenhouse 42 · Plum 28
2.1 weighted points to Greenhouse
12% weight · 83% of the movement so far
Human Oversight Design
Greenhouse 66 · Plum 52
1.7 weighted points to Greenhouse
15% weight · 95% of the movement so far
Data Governance Disclosure
Greenhouse 64 · Plum 54
1.5 weighted points to Greenhouse
18% weight · 99% of the movement so far
Bias Audit Transparency
Greenhouse 86 · Plum 83
0.5 weighted points to Greenhouse
8% weight · 100% of the movement so far
Customer Documentation
Greenhouse 64 · Plum 63
0.1 weighted points to Greenhouse
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to +12.5 — the difference between the two totals before either is rounded. Shares are of 12.5 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 +12.5.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Greenhouse minus Plum.
| Category | Weight | Greenhouse | Plum | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 78 | 58 | +20 | +4.0 |
| Bias Audit Transparency | 18% | 86 | 83 | +3 | +0.5 |
| FRIA Support | 15% | 42 | 28 | +14 | +2.1 |
| Data Governance Disclosure | 15% | 64 | 54 | +10 | +1.5 |
| Human Oversight Design | 12% | 66 | 52 | +14 | +1.7 |
| Post-Market Monitoring | 12% | 58 | 36 | +22 | +2.6 |
| Customer Documentation | 8% | 64 | 63 | +1 | +0.1 |
| Total | 100% | 67 (D) | 54 (F) | +13 | +12.5 |
§ 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 | Greenhouse | Plum | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 3 | 0 | Sources on the vendor's own domain | 3 | 0 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 2 | 0 | Audit reportSources on a separate domain | 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% | 2 | 0 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 2 | 0 | Sources on the vendor's own domain | 2 | 1 | Audit reportSources on the vendor's own domain |
| Post-Market Monitoring | 12% | 3 | 0 | Audit reportSources on the vendor's own domainSources on a separate domain | 2 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 3 | 0 | Sources on the vendor's own domain | 3 | 0 | Sources on the vendor's own domain |
| All criteria | 100% | 16 | 1 | Audit reportSources on the vendor's own domainSources on a separate domain | 15 | 4 | Audit reportSources on the vendor's own domain |
Greenhouse has 17 evidence rows across 7 of 7 criteria — 16 with a source URL, 1 documented absence; Plum has 19 evidence rows across 7 of 7 criteria — 15 with a source URL, 4 documented absences; some documentation or audit rows for Greenhouse sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 36 evidence rows on file for these two vendors: 17 for Greenhouse, across 3 distinct source domains, and 19 for Plum, across 1 distinct source domain.
- Rubric
- v1.0
- Greenhouse last reviewed
- June 7, 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