§ The result
Bullhorn leads Arena Analytics on all 7 criteria.
Under rubric v1.0, Bullhorn (ATS-integrated) opens a 22-point lead on Arena Analytics (Screening), 54 to 32. Arena Analytics leads none of the 7 criteria, and Bullhorn is ahead on 4 of them by 20 raw points or more, Article 11 Technical Documentation among them. The widest raw gap and the heaviest weighted swing fall on different criteria: Bias Audit Transparency (Arena Analytics 25, Bullhorn 58) and Article 11 Technical Documentation at 20% (Arena Analytics 30, Bullhorn 62), the second being 29% of the weighted advantage Bullhorn holds across the 7 criteria on that side of the table.
Vendor profile
Arena Analytics
Arena scores job applicants, mainly for healthcare and senior-living employers, on how likely they are to show up and stay in a specific role at a specific location, reroutes and sources candidates it rates likely to be retained, and applies the same outcome models to employee flight risk and internal mobility.
Vendor profile
Bullhorn
Bullhorn is a cloud-based applicant tracking system and CRM for staffing and recruiting agencies, with AI features (Bullhorn Copilot/Amplify, automation, and Textkernel-powered search and match) that source, screen, and rank candidates against jobs.
§ The record
Arena Analytics is filed under Screening AI, Bullhorn under ATS-integrated AI. They also share 1 secondary category: Sourcing.
Both are in scope of EU AI Act, NYC LL 144, Colorado AI Act and Illinois HB 3773. Only Arena Analytics is in scope of Mobley v. Workday.
| Record | Arena Analytics | Bullhorn |
|---|---|---|
| Price tier | Enterprise | High |
| Headquarters | US | US |
| Founded | 2015 | 1999 |
§ What decides it
The criteria that move the gap, heaviest swing first.
20% weight · 29% of the movement so far
Article 11 Technical Documentation
Arena Analytics 30 · Bullhorn 62
6.4 weighted points to Bullhorn
18% weight · 56% of the movement so far
Bias Audit Transparency
Arena Analytics 25 · Bullhorn 58
5.9 weighted points to Bullhorn
15% weight · 68% of the movement so far
Data Governance Disclosure
Arena Analytics 42 · Bullhorn 60
2.7 weighted points to Bullhorn
12% weight · 80% of the movement so far
Human Oversight Design
Arena Analytics 38 · Bullhorn 60
2.6 weighted points to Bullhorn
15% weight · 88% of the movement so far
FRIA Support
Arena Analytics 25 · Bullhorn 38
1.9 weighted points to Bullhorn
8% weight · 96% of the movement so far
Customer Documentation
Arena Analytics 38 · Bullhorn 60
1.8 weighted points to Bullhorn
12% weight · 100% of the movement so far
Post-Market Monitoring
Arena Analytics 28 · Bullhorn 35
0.8 weighted points to Bullhorn
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to -22.2 — the difference between the two totals before either is rounded. Shares are of 22.2 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -22 beside that -22.2.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Arena Analytics minus Bullhorn.
| Category | Weight | Arena Analytics | Bullhorn | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 30 | 62 | -32 | -6.4 |
| Bias Audit Transparency | 18% | 25 | 58 | -33 | -5.9 |
| FRIA Support | 15% | 25 | 38 | -13 | -1.9 |
| Data Governance Disclosure | 15% | 42 | 60 | -18 | -2.7 |
| Human Oversight Design | 12% | 38 | 60 | -22 | -2.6 |
| Post-Market Monitoring | 12% | 28 | 35 | -7 | -0.8 |
| Customer Documentation | 8% | 38 | 60 | -22 | -1.8 |
| Total | 100% | 32 (F) | 54 (F) | -22 | -22.2 |
§ 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 | Arena Analytics | Bullhorn | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 3 | 1 | Sources on a separate domain | 2 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 2 | 1 | — | 3 | 1 | Audit reportSources on the vendor's own domain |
| FRIA Support | 15% | 1 | 1 | Sources on the vendor's own domain | 1 | 1 | — |
| Data Governance Disclosure | 15% | 6 | 1 | Sources on the vendor's own domain | 3 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 6 | 1 | Sources on the vendor's own domain | 2 | 1 | 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 | 1 | Sources on the vendor's own domain | 3 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 23 | 7 | Sources on the vendor's own domainSources on a separate domain | 15 | 6 | Audit reportSources on the vendor's own domain |
Arena Analytics has 30 evidence rows across 7 of 7 criteria — 23 with a source URL, 7 documented absences; Bullhorn has 20 evidence rows across 7 of 7 criteria — 15 with a source URL, 6 documented absences; some documentation or audit rows for Arena Analytics sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 50 evidence rows on file for these two vendors: 30 for Arena Analytics, across 3 distinct source domains, and 20 for Bullhorn, across 2 distinct source domains.
- Rubric
- v1.0
- Arena Analytics last reviewed
- September 25, 2026 · HireAIScore editorial team
- Bullhorn 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